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Home > CA Providers > Orthopedic Surgeons

Dr. Stefan Fred Klein, MD

Accepting New Patients

(5 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery and Hand Surgery

Stanford University School of Medicine

846 Freedom Boulevard
Watsonville, CA 95076

(831) 515-6653

Dr. Stefan Fred Klein, MD is an orthopedist in Santa Cruz, CA specializing in orthopedics/orthopedic surgery and hand surgery. He graduated from Stanford University School of Medicine. Dr. Stefan Fred Klein, MD is affiliated with Dignity Health, Sutter Health, Dominican Hospital Santa Cruz and DHMN - Santa Cruz DHMN - Ventura.

Office Locations

DHMN - Santa Cruz DHMN - Ventura

3143 Paul Sweet Road
Santa Cruz, CA 95065

(831) 462-4801

(831) 462-4756

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Sutter Health

846 Freedom Boulevard
Watsonville, CA 95076

(831) 515-6653

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Noteworthy Medicare Patient Procedures Performed by Dr. Stefan Fred Klein, MD in 2023

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

Top 5%

By Volume:

open palmar fasciotomy

By Affordability:

carpal tunnel surgery

Dupuytren's contracture surgery

nerve decompression surgery

nerve procedures

nerve surgery

open carpal tunnel surgery

peripheral nerve block

peripheral nerve decompression surgery

peripheral nerve surgery

In 2023, among providers in related specialties within California, Dr. Stefan Fred Klein, MD performed more open palmar fasciotomy procedures for Medicare patients than 95% of them and he also had a list price for carpal tunnel surgery, Dupuytren's contracture surgery, nerve decompression surgery, nerve procedures, nerve surgery, open carpal tunnel surgery, peripheral nerve block, peripheral nerve decompression surgery, and peripheral nerve surgery that was lower than the list prices billed to Medicare by 95% of them. 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 10%

By Volume:

peripheral nerve block

tendon surgery

By Affordability:

decompression surgery

In 2023, among providers in related specialties within California, Dr. Stefan Fred Klein, MD performed more peripheral nerve block, and tendon surgery procedures for Medicare patients than 90% of them and he also had a list price for decompression surgery that was lower than the list prices billed to Medicare by 90% of them. 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 Volume:

finger tenosynovectomy

upper extremity surgery

By Affordability:

decompression fasciotomy

forearm fasciotomy

ligament injection

palmar fasciotomy

soft tissue injections

tendon sheath injection

In 2012, among providers in related specialties within California, Dr. Stefan Fred Klein, MD performed more finger tenosynovectomy, injections, joint aspiration, open surgery, tenosynovectomy, and upper extremity surgery procedures for Medicare patients than 75% of them and he also had a list price for decompression fasciotomy, forearm fasciotomy, ligament injection, palmar fasciotomy, soft tissue injections, and tendon sheath injection that was lower than the list prices billed to Medicare by 75% of them. 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. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2012 were injections, synovectomy, upper extremity surgery and tendon surgery.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	45
doctor visit	355
injections	148
synovectomy	49
tendon surgery	49
upper extremity surgery	49

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2013 were injections, aspiration and nerve block.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	41
doctor visit	391
injections	133
nerve block	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	70
Female	136

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	52
85 and over	18
Less than 65	34

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2013

Hypertension	55
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2014 were injections, upper extremity surgery, aspiration and synovectomy.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	61
decompression surgery	13
doctor visit	470
fasciotomy	37
immobilization	19
injections	161
minimally invasive procedures	12
nerve procedures	13
open surgery	26
synovectomy	53
tendon surgery	53
upper extremity surgery	91

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	100
Female	148

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	72
85 and over	22
Less than 65	28

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2014

Hypertension	47
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	11
Asthma	7
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	0
Cancer	6

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2015 were injections, aspiration, synovectomy and upper extremity surgery.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	96
doctor visit	535
immobilization	14
injections	232
nerve block	15
synovectomy	38
tendon surgery	38
upper extremity surgery	38

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	240
Female	358

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	166
85 and over	48
Less than 65	40

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2015

Hypertension	49
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	14
Asthma	11
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2016 were injections, aspiration, nerve block and immobilization.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	113
doctor visit	632
immobilization	17
injections	249
nerve block	24

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	131
Female	196

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	22
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	98
85 and over	29
Less than 65	14

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2016

Hypertension	51
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2017 were injections, aspiration, upper extremity surgery and synovectomy.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	129
decompression surgery	14
doctor visit	774
fasciotomy	46
immobilization	28
injections	279
minimally invasive procedures	14
nerve block	18
nerve procedures	14
open surgery	30
synovectomy	64
tendon surgery	64
upper extremity surgery	108

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	149
Female	218

**Ethnicity**
Non-Hispanic White	314
Black	0
Hispanic	28
Asian	14
Other	11
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	111
85 and over	30
Less than 65	15

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2017

Hypertension	51
High Cholesterol	36
Stroke	4
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	17
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2018 were injections, aspiration, upper extremity surgery and synovectomy.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	123
decompression surgery	13
doctor visit	787
fasciotomy	39
immobilization	21
injections	281
minimally invasive procedures	13
nerve procedures	13
open surgery	26
synovectomy	48
tendon surgery	48
upper extremity surgery	87

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	157
Female	257

**Ethnicity**
Non-Hispanic White	363
Black	0
Hispanic	28
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	112
85 and over	33
Less than 65	25

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2018

Hypertension	51
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	14
Asthma	11
Osteoperosis	12
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2019 were injections, aspiration, upper extremity surgery and tendon surgery.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	178
decompression surgery	22
doctor visit	1045
fasciotomy	60
immobilization	30
injections	382
joint surgery	16
minimally invasive procedures	18
nerve procedures	22
open surgery	43
reconstructive surgery	16
synovectomy	88
tendon surgery	88
upper extremity surgery	165

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	200
Female	309

**Ethnicity**
Non-Hispanic White	437
Black	0
Hispanic	34
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	145
85 and over	51
Less than 65	25

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2019

Hypertension	50
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	14
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2020 were injections, upper extremity surgery, aspiration and tendon surgery.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	131
decompression surgery	18
doctor visit	890
fasciotomy	54
immobilization	25
injections	298
joint surgery	11
minimally invasive procedures	17
nerve procedures	18
open surgery	37
reconstructive surgery	11
synovectomy	73
tendon surgery	73
upper extremity surgery	138

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	193
Female	274

**Ethnicity**
Non-Hispanic White	389
Black	0
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	132
85 and over	33
Less than 65	27

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2020

Hypertension	45
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2021 were injections, upper extremity surgery, aspiration and synovectomy.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	130
decompression surgery	21
doctor visit	984
fasciotomy	53
immobilization	27
injections	353
minimally invasive procedures	13
nerve procedures	21
open surgery	41
synovectomy	80
tendon surgery	80
upper extremity surgery	134

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	197
Female	304

**Ethnicity**
Non-Hispanic White	429
Black	0
Hispanic	41
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	140
85 and over	50
Less than 65	26

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2021

Hypertension	50
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA during 2022 were injections, upper extremity surgery, aspiration and tendon surgery.

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

aspiration	102
decompression surgery	20
doctor visit	944
fasciotomy	55
immobilization	17
injections	294
minimally invasive procedures	15
nerve block	22
nerve procedures	20
open surgery	40
synovectomy	81
tendon surgery	98
upper extremity surgery	153

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	214
Female	292

**Ethnicity**
Non-Hispanic White	428
Black	0
Hispanic	39
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	180
85 and over	41
Less than 65	25

Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD in 2022

Hypertension	57
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	16
Depression	17
Chronic Kidney Disease	9
Asthma	12
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	6
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stefan Fred Klein, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stefan Fred Klein, MD treated as an orthopedist in Santa Cruz, CA were injections, upper extremity surgery, aspiration and tendon surgery.

aspiration	104
decompression surgery	17
doctor visit	709
fasciotomy	49
immobilization	22
injections	255
joint surgery	13
minimally invasive procedures	14
nerve block	19
nerve procedures	17
open surgery	34
reconstructive surgery	13
synovectomy	63
tendon surgery	65
upper extremity surgery	107

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stefan Fred Klein, MD.

**Gender**
Male	150
Female	226

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	3
Non-Hispanic White	324
Native American / Alaskan Native	0
Hispanic	26
Other	6

**Age**
75 to 84	109
85 and over	32
Less than 65	23
65 to 74	211

Average of Total of Conditions of Medicare patients treated by Dr. Stefan Fred Klein, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Stefan Fred Klein, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	46
High Cholesterol	43
Stroke	1
Ischemic Heart Disease	19
Depression	16
Chronic Kidney Disease	13
Asthma	8
Osteoporosis	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	4
Diabetes	15
Atrial Fibrillation	7
Dementia	2
Cancer	8

Education & Training

Dr. Stefan Fred Klein, MD graduated from Stanford University School of Medicine. He is certified by the Orthopaedic Surgery Orthopaedic Surgery (Sub: Surgery of the Hand) and has a state license in California.

Medical School: Stanford University School of Medicine

Board Certification: Orthopaedic Surgery Orthopaedic Surgery (Sub: Surgery of the Hand)

Licensed In: California

Affiliations & Hospitals

Dr. Stefan Fred Klein, MD is associated with these hospitals and organizations:

Dignity Health

Sutter Health

Dominican Hospital Santa Cruz

DHMN - Santa Cruz DHMN - Ventura

Ratings & Reviews

Dr. Stefan Fred Klein, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Stefan Fred Klein, MD from all over the web to help you find the right in Santa Cruz, CA.

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
Arthrex, Inc.	$2,626 $2,626
Integra LifeSciences Corporation	$33 Recon-Nerve and Tendon Repair $33

**Types of Payments**
Education	$1,994
Travel and Lodging	$381
Food and Beverage	$284

Biography

Dr. Stefan Klein, who practices in Watsonville, CA and Santa Cruz, CA, is a medical specialist in hand surgery and orthopedics/orthopedic surgery. Dr. Klein speaks German. He is professionally affiliated with Dignity Health and Sutter Health. He is a graduate of Stanford University School of Medicine. On average, patients gave Dr. Klein a rating of 5.0 stars (out of 5). According to Dignity Health, new patients are welcome to contact his office in Santa Cruz, CA.