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Home > CA Providers > Spine Surgeons

Dr. Jan W. Duncan, MD

Accepting New Patients

(5 Ratings)

Specializes in: Spine Surgery and Orthopedics/Orthopedic Surgery

University of Tennessee Health Science Center College of Medicine

638 W Duarte Road Suite 16
Arcadia, CA 91007

(323) 267-0222

Dr. Jan W. Duncan, MD is a spine surgeon in Los Angeles, CA specializing in spine surgery and orthopedics/orthopedic surgery. He graduated from University of Tennessee Health Science Center College of Medicine. Dr. Jan W. Duncan, MD is affiliated with Astrana Health, JW DUNCAN MD A MEDICAL CORPORATION and Allied Pacific IPA.

Office Locations

Allied Pacific IPA

1828 E Cesar E Chavez Avenue Suite 6300
Los Angeles, CA 90033

(213) 621-2800

open_in_new

Allied Pacific IPA

638 W Duarte Road Suite 16
Arcadia, CA 91007

(323) 267-0222

open_in_new

711 W College Street #625
Los Angeles, CA 90012

(323) 267-0222

(213) 621-4440

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In The News

“"Like a lot of doctors, I'm trying to learn more about money and how to handle it," added Jan Duncan, an orthopedic surgeon from Los Angeles.”—"Museum's New Hall of Economics and Finance Sets Lofty Goal : Equation: Games + Gadgets = Fun", Los Angeles Times, September 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Jan W. Duncan, MD in 2023

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

Top 25%

By Affordability:

In 2012, Dr. Jan W. Duncan, MD had a list price for lamina procedures, laminectomy, spine imaging, spine X-ray, and X-rays 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. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2012 were rehabilitation, manual therapy, diagnostic evaluation and hospital care.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

diagnostic evaluation	32
doctor visit	328
hospital care	31
injections	14
inpatient care	31
manual therapy	355
nerve block	14
pain management	14
rehabilitation	370
spinal procedures	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2013 were rehabilitation, manual therapy, diagnostic evaluation and spinal procedures.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

aspiration	15
diagnostic evaluation	19
doctor visit	238
injections	15
manual therapy	162
rehabilitation	166
spinal procedures	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	37
Female	72

**Ethnicity**
Non-Hispanic White	14
Black	0
Hispanic	79
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	50
Depression	39
Chronic Kidney Disease	26
Asthma	17
Osteoperosis	20
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	60
Dementia	16
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2014 were rehabilitation and manual therapy.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

doctor visit	209
manual therapy	255
rehabilitation	271

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	35
Female	68

**Ethnicity**
Non-Hispanic White	18
Black	0
Hispanic	70
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	42

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2014

Hypertension	66
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	33
Depression	32
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	49
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2015 were rehabilitation, manual therapy, diagnostic evaluation and spinal procedures.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

diagnostic evaluation	14
doctor visit	233
manual therapy	204
rehabilitation	245
spinal procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	76
Female	126

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	142
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	0
85 and over	0
Less than 65	84

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2015

Hypertension	68
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	32
Depression	35
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2016 were spinal procedures, injections, nerve block and pain management.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

aspiration	12
doctor visit	294
injections	41
nerve block	29
pain management	29
spinal procedures	43
X-rays	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	42
Female	91

**Ethnicity**
Non-Hispanic White	14
Black	18
Hispanic	90
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	0
85 and over	0
Less than 65	51

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2016

Hypertension	65
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	36
Asthma	20
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	50
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2017 were nerve block, pain management, spinal procedures and injections.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

doctor visit	267
injections	14
nerve block	14
pain management	14
spinal procedures	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	31
Female	74

**Ethnicity**
Non-Hispanic White	0
Black	11
Hispanic	81
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	0
85 and over	0
Less than 65	39

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2017

Hypertension	68
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	53
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

doctor visit	216

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	38
Female	63

**Ethnicity**
Non-Hispanic White	0
Black	18
Hispanic	64
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	41

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2018

Hypertension	68
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	39
Depression	35
Chronic Kidney Disease	29
Asthma	13
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	50
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2019 were spinal procedures, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

decompression surgery	16
doctor visit	218
nerve procedures	16
spinal procedures	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	30
Female	64

**Ethnicity**
Non-Hispanic White	17
Black	0
Hispanic	59
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	41

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2019

Hypertension	72
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	36
Depression	40
Chronic Kidney Disease	35
Asthma	13
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	45
Dementia	13
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2020 were spinal procedures.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

doctor visit	207
spinal procedures	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	29
Female	69

**Ethnicity**
Non-Hispanic White	18
Black	0
Hispanic	65
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2020

Hypertension	71
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	34
Depression	32
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	44
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2021 were spinal procedures, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

decompression surgery	13
doctor visit	212
nerve procedures	13
spinal procedures	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	34
Female	65

**Ethnicity**
Non-Hispanic White	0
Black	11
Hispanic	72
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2021

Hypertension	68
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	35
Depression	34
Chronic Kidney Disease	38
Asthma	17
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	26
Chronic Obstructive Pulmonary Disease	14
Diabetes	49
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA during 2022 were spinal procedures, nerve procedures, decompression surgery and X-rays.

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

decompression surgery	13
doctor visit	232
nerve procedures	13
spinal procedures	40
X-rays	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	23
Female	73

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	75
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	33

Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	17
Depression	42
Chronic Kidney Disease	20
Asthma	15
Osteoperosis	29
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jan W. Duncan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jan W. Duncan, MD treated as a spine surgeon in Los Angeles, CA were rehabilitation, manual therapy, inpatient care and hospital care.

aspiration	13
decompression surgery	14
diagnostic evaluation	21
doctor visit	241
hospital care	31
injections	21
inpatient care	31
manual therapy	244
nerve block	19
nerve procedures	14
pain management	19
rehabilitation	263
spinal procedures	23
X-rays	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jan W. Duncan, MD.

**Gender**
Male	34
Female	69

**Ethnicity**
Black / African American	5
Asian / Pacific Islander	0
Non-Hispanic White	9
Native American / Alaskan Native	0
Hispanic	72
Other	0

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

Average of Total of Conditions of Medicare patients treated by Dr. Jan W. Duncan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jan W. Duncan, MD treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	63
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	31
Depression	31
Chronic Kidney Disease	27
Asthma	13
Osteoporosis	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	44
Atrial Fibrillation	0
Dementia	4
Cancer	0

Education & Training

Dr. Jan W. Duncan, MD graduated from University of Tennessee Health Science Center College of Medicine. He completed residency at University of Arkansas for Medical Sciences Affiliated Hospitals. He is certified by the Certification: MEDICAL BOARD OF CALIFORNIA and has a state license in California.

Medical School: University of Tennessee Health Science Center College of Medicine

Residency: University of Arkansas for Medical Sciences Affiliated Hospitals

Board Certification: Certification: MEDICAL BOARD OF CALIFORNIA

Licensed In: California

Affiliations & Hospitals

Dr. Jan W. Duncan, MD is associated with these hospitals and organizations:

Astrana Health

JW DUNCAN MD A MEDICAL CORPORATION

Allied Pacific IPA

Ratings & Reviews

Dr. Jan W. Duncan, MD has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Jan W. Duncan, MD from all over the web to help you find the right in Los Angeles, CA.

2.6

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
Nexxt Spine LLC	$11,277 Facet Fixx System $78	$11,199
GS Solutions, Inc.	$321 $321
Medtronic, Inc.	$208 INTELLIS ADAPTIVESTIM $100	KYPHON EXPRESS II KYPHOPAK TRAY $50	Vanta $35	INTELLIS $23
Spineart USA Inc	$147 Perla TL $147
Providence Medical Technology, Inc.	$119 BIOLOGIX Allograft Bone $62	$57
Other	$627 RISE $104	Senza Spinal Cord Stimulation System $44	IVS Vertebral Augmentation Products $43	EVENITY $43	RESTORE $41	Other $352

**Types of Payments**
Consulting Fee	$10,593
Food and Beverage	$1,457
Travel and Lodging	$606
Education	$43

Biography

Dr. Jan Duncan is a specialist in spine surgery and orthopedics/orthopedic surgery. Dr. Duncan has received a 2.5 out of 5 star rating by his patients. Before performing his residency at a hospital affiliated with the University of Arkansas for Medical Sciences, Dr. Duncan attended the University of Tennessee Health Science Center College of Medicine for medical school. He is conversant in Spanish. He is professionally affiliated with Astrana Health. According to Astrana Health, new patients are welcome to contact his office in ARCADIA, CA.