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Home > CA Providers > Orthopedic Surgeons

Dr. Theodore Karl Gregorius, MD

Accepting New Patients

(Dr. Theodore K. Gregorius, M.D.)

(6 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery

Loma Linda University School of Medicine

11234 Anderson Street
Loma Linda, CA 92354

(909) 882-5867

Dr. Theodore Karl Gregorius, MD is an orthopedist in Loma Linda, CA specializing in orthopedics/orthopedic surgery. He graduated from Loma Linda University School of Medicine. Dr. Theodore Karl Gregorius, MD is affiliated with Loma Linda University Health, Hoag, Loma Linda University Medical Center East Campus, Loma Linda University Faculty Medical Group - Empire Orthopaedics, Loma Linda University Medical Center, Loma Linda University Children's Hospital and California Orthopaedic Specialists.

Office Locations

11234 Anderson Street
Loma Linda, CA 92354

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25333 Barton Road
Loma Linda, CA 92354

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California Orthopaedic Specialists

360 San Miguel Drive Suite 701
Newport Beach, CA 92660

(949) 759-3600

(949) 759-5017

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900 East Washington Street Suite 200
Colton, CA 92324

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Noteworthy Medicare Patient Procedures Performed by Dr. Theodore Karl Gregorius, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Affordability:

decompression surgery

In 2023, Dr. Theodore Karl Gregorius, MD had a list price for decompression surgery that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

acromial resection

acromioplasty

arthroscopic acromioplasty

arthroscopic subacromial decompression

shoulder surgery

subacromial decompression

In 2012, Dr. Theodore Karl Gregorius, MD had a list price for acromial resection, acromioplasty, arthroscopic acromioplasty, arthroscopic subacromial decompression, shoulder surgery, and subacromial decompression that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2012 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	102
decompression surgery	26
doctor visit	277
injections	102
joint surgery	59
lower extremity surgery	11
minimally invasive procedures	59
upper extremity surgery	48

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2013 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	77
decompression surgery	14
doctor visit	197
injections	77
joint surgery	14
minimally invasive procedures	14
upper extremity surgery	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	61
Female	94

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2013

Hypertension	63
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	15
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2014 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	56
decompression surgery	16
doctor visit	146
injections	56
joint surgery	29
minimally invasive procedures	29
upper extremity surgery	29

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	44
Female	62

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2014

Hypertension	56
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2015 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	35
decompression surgery	14
doctor visit	208
injections	35
joint surgery	26
minimally invasive procedures	26
upper extremity surgery	26

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	102
Female	164

**Ethnicity**
Non-Hispanic White	222
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2015

Hypertension	61
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	13
Asthma	19
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2016 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	32
debridement (removal of unhealthy tissue)	13
doctor visit	246
injections	32
joint surgery	29
lower extremity surgery	16
minimally invasive procedures	29
upper extremity surgery	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	53
Female	93

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2016

Hypertension	58
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	18
Asthma	14
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2017 were minimally invasive procedures, joint surgery, aspiration and injections.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	31
decompression surgery	14
doctor visit	257
injections	31
joint surgery	40
lower extremity surgery	14
minimally invasive procedures	40
upper extremity surgery	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	46
Female	98

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2017

Hypertension	56
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	24
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2018 were aspiration and injections.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	30
doctor visit	228
injections	30

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	50
Female	87

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2018

Hypertension	50
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2019 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	63
decompression surgery	14
doctor visit	400
injections	63
joint surgery	28
minimally invasive procedures	28
upper extremity surgery	28

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	95
Female	141

**Ethnicity**
Non-Hispanic White	211
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	60
85 and over	18
Less than 65	16

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2019

Hypertension	58
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	14
Asthma	11
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2020 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	117
doctor visit	553
injections	117
joint surgery	26
minimally invasive procedures	26
tendon surgery	12
upper extremity surgery	26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	114
Female	134

**Ethnicity**
Non-Hispanic White	230
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	68
85 and over	13
Less than 65	11

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2020

Hypertension	47
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	15
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2021 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	274
debridement (removal of unhealthy tissue)	17
decompression surgery	16
doctor visit	634
injections	274
joint surgery	47
minimally invasive procedures	47
upper extremity surgery	47

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	137
Female	166

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	100
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2021

Hypertension	56
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA during 2022 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

aspiration	212
debridement (removal of unhealthy tissue)	17
decompression surgery	14
doctor visit	418
injections	212
joint surgery	31
minimally invasive procedures	31
upper extremity surgery	31

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	102
Female	151

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	106
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2022

Hypertension	62
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	13
Asthma	14
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	14
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Theodore Karl Gregorius, MD for Medicare patients.

The highest averages for the top procedures that Dr. Theodore Karl Gregorius, MD treated as an orthopedist in Loma Linda, CA were aspiration, injections, minimally invasive procedures and joint surgery.

aspiration	93
debridement (removal of unhealthy tissue)	15
decompression surgery	16
doctor visit	324
injections	93
joint surgery	32
lower extremity surgery	13
minimally invasive procedures	32
tendon surgery	12
upper extremity surgery	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Theodore Karl Gregorius, MD.

**Gender**
Male	73
Female	108

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	159
Native American / Alaskan Native	0
Hispanic	4
Other	1

**Age**
75 to 84	51
85 and over	2
Less than 65	2
65 to 74	105

Average of Total of Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Theodore Karl Gregorius, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	51
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	23
Depression	16
Chronic Kidney Disease	15
Asthma	10
Osteoporosis	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Atrial Fibrillation	6
Dementia	1
Cancer	5

Education & Training

Dr. Theodore Karl Gregorius, MD graduated from Loma Linda University School of Medicine. He completed residency at University of Florida Health Science Center and Affiliated Hospitals. He is certified by the American Board of Orthopedic Surgery - Orthopaedic Surgery and has a state license in California.

Medical School: Loma Linda University School of Medicine

Residency: University of Florida Health Science Center and Affiliated Hospitals

Board Certification: American Board of Orthopedic Surgery - Orthopaedic Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Theodore Karl Gregorius, MD is associated with these hospitals and organizations:

Loma Linda University Health

Hoag

Loma Linda University Medical Center East Campus

Loma Linda University Faculty Medical Group - Empire Orthopaedics

Loma Linda University Medical Center

Loma Linda University Children's Hospital

California Orthopaedic Specialists

Ratings & Reviews

Dr. Theodore Karl Gregorius, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Theodore Karl Gregorius, MD from all over the web to help you find the right in Loma Linda, CA.

Overall Rating

(6 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2019-04-18

Dr. Ted is a great Doctor, he is very easy to talk to and he really knows his medicine.  I would recommend him to anyone.

General Payments

These charts describe general payments received by Dr. Theodore Karl Gregorius, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Linvatec Corporation	$2,550 Linvatec Knee Preservation System $1,909	Linvatec Shoulder Arthroscopy $394	Linvatec 2DHD Video Systems $78	Knee Biologics $58	Orthopedic Surgery $35	Other $75
Musculoskeletal Transplant Foundation Inc.	$1,114 $1,114
Stryker Corporation	$511 SALVATION $423	TRAUMA and EXTREMITIES $43	HIPMAP $25	Transport $20
Smith+Nephew, Inc.	$347 LENS Surgical Imaging System $200	MICRORAPTOR Knotless Anchor $43	GRAFIX PL $37	LENS 4K $29	Hip Positioning System $24	Other $15
Smith & Nephew, Inc.	$118 560P High Definition Camera System $78	Active Heel Traction Boot $14	Hip Positioning System $14	ULTRABUTTON $12
Other	$203 HYMOVIS $23	Trauma $23	DVT $22	ORTHO - TRAUMA $19	INTERMEZZO $18	Other $98

**Types of Payments**
Travel and Lodging	$3,327
Food and Beverage	$1,516

Biography

Dr. Theodore Gregorius is a specialist in orthopedics/orthopedic surgery in Newport Beach, CA, Loma Linda, CA, and Colton, CA. He is rated 5.0 stars (out of 5) by his patients. Dr. Gregorius graduated from Loma Linda University School of Medicine and then he performed his residency at a hospital affiliated with the University of Florida Health Science Center. He is professionally affiliated with Loma Linda University Health and Hoag. Hoag reports that he is accepting new patients at his office in Newport Beach, CA.

Select Year:

Dr. Theodore Karl Gregorius, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Theodore Karl Gregorius, MD in 2023

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Theodore Karl Gregorius, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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