Dr. Gary A. Stein, MD

  • Santa Rosa, CA
  • Orthopedic surgeon
NPI1952344525PAC ID4587616123
Medicare services, 2024
19,346
Medicare patients, 2024
723
Part D claims, 2024
263
Publications
1
MIPS score, 2024
91
Practice address
34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403
Practice phone
Call (707) 541-3500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Santa Rosa Surgery and Endoscopy Center

Surgery Center - Medicare-Certified · Santa Rosa, California

See all 11 affiliations

Find Dr. Stein's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Gary A. Stein is an orthopedic surgeon in Santa Rosa, California

Dr. Stein practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California.

Dr. Stein's NPI, 1952344525, was assigned on June 13, 2006. Dr. Stein graduated from Indiana University School Of Medicine in 1979. Dr. Stein holds California license C40149.

NPI and contact details
Medicare PAC ID
4587616123
NPI enumeration date
June 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 541-3500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
73
Medical school graduation
1979

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gary A. Stein practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California

Dr. Stein's primary practice is Santa Rosa Surgery and Endoscopy Center, at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. The practice phone is (707) 541-3500.

  • Santa Rosa Surgery and Endoscopy Center
    34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403Phone(707) 541-3500

Source: Dmand AI Affiliation Data

Dr. Gary A. Stein is affiliated with 9 sites of care and 2 medical groups

Dr. Stein's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Dr. Stein is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is Santa Rosa Orthopaedics. Dmand AI also links Dr. Stein to 4 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 11 affiliations for Dr. Stein

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gary A. Stein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stein practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Rosa Surgery and Endoscopy CenterAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Stein practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Gary A. Stein is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Stein's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Stein is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Stein's licenses on file in 2 states: California and Texas.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense C40149 · 1981 to 2027 · taxonomy 207X00000X
  • Texas license1980 to 1981

Clinical focus

Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, fluid in a joint, hand joint or tendon inflammation, hip replacement, joint pain and knee arthroscopy among the conditions Dr. Stein treats.

Orthopedic surgeons near Dr. Stein

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gary A. Stein billed Medicare for 19,346 services in 2024

CMS data shows 19,346 Medicare services from Dr. Stein across 21 procedure codes in 2024, for 723 Medicare patients. Medicare paid $360,763 for them.

Medicare services, 202419,346
Medicare patients723
Paid by Medicare$360,763
Procedure codes21

Dr. Stein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 6492024: 15,9072351%
Office and hospital visits
2023: 1,2432024: 1,56026%
Imaging
2023: 7992024: 1,03329%
Surgery
2023: 5942024: 84642%
Tests and treatments
2023: 4552024: 0100%
Other services
2023: 852024: 0100%

Where Dr. Stein's Medicare services took place, 2024

  • In an office19,23699%
  • In a facility1101%

Dr. Stein compared with the California median for orthopedic surgeons, 2024

  • Dr. Stein
  • California median
Medicare services
19,346vs 68328.3 times
Medicare patients
723vs 2153.4 times
Part D claims
198vs 702.8 times

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Stein's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Stein

Need commercial claims for Dr. Stein?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stein and other orthopedic surgeons in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gary A. Stein treated 723 Medicare patients in 2024, average age 75

CMS counts 723 Medicare patients who saw Dr. Stein in 2024. The largest group is 65 to 74, with 311 patients. 75% of them have arthritis, and 74% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Stein's median patient age at 71, with 59% women.

Medicare patients, 2024723
Average age75
Average risk score1.05
Also on Medicaid14%

Dr. Stein's Medicare patients by age, 2024

Dr. Stein's Medicare patients by sex, 2024

  • Women44161%
  • Men28239%

Chronic conditions among Dr. Stein's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol74%
  3. High blood pressure67%
  4. Ischemic heart disease24%
  5. Mood disorders24%
  6. Anxiety21%
  7. Depression20%
  8. Osteoporosis20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Stein's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gary A. Stein wrote 263 Medicare Part D claims in 2024

In 2024, Dr. Stein wrote 263 Medicare Part D claims for 143 patients. 99% of them were for generic drugs. CMS names the drug for 198 of them, across 5 drugs with 11 or more claims each, at $2,377 in total drug cost. In 2023, CMS named 220 claims across 7 drugs.

Part D claims, 2024263
Drugs named by CMS5
Total drug cost$2,377
Part D patients143

Dr. Stein's Part D claims by kind of drug, 2024

  • Generic260 claims99%
  • Brand-name and other3 claims1%

Dr. Stein's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Stein's Part D claims, 2024

  • Opioids44%117 of 263 claims
  • Antibiotics15%39 of 263 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2202024: 19810%

Drugs named by CMS: 5 in 2024, 7 in 2023.

See all prescribing by Dr. Stein

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gary A. Stein scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Stein for performance year 2024, reported as part of a group. Dr. Stein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 55 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Stein, more than 88% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Stein's MIPS scores, performance year 2024

  • 91of 100Final score
  • 94of 100Quality
  • 92of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 65of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Stein ranks in Medicare procedure volume

Knee replacement
83rd percentile59 procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)
88th percentile55 procedures
Hip replacement
78th percentile33 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find orthopedic surgeons like Dr. Stein by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Gary A. Stein has 1 publication on record

Dmand AI links 1 paper to Dr. Stein in 2012. Dr. Stein's most frequent co-authors are John Lester Goudreau, DO, Arshad Majid, MD and Kelsey Serfozo, MD.

Papers1

Dr. Stein's most frequent co-authors

Recent publications by Dr. Stein

See all 1 publications and co-authors

See who Dr. Stein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stein works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gary A. Stein received $4,368 in industry payments from 2016 to 2025

CMS Open Payments shows 34 general payments to Dr. Stein from 14 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 59% of the total. Zimmer Biomet Holdings, Inc. paid the most, $2,684.

General payments to Dr. Stein by program year, 2016 to 2025

General payments to Dr. Stein by kind, 2016 to 2025

$4.4Kin total
  • Travel and lodging$2,57159%
  • Food and beverage$1,79741%

Companies that paid Dr. Stein the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Stein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gary A. Stein graduated from Indiana University School Of Medicine

Dr. Stein graduated from Indiana University School Of Medicine in 1979.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Gary A. Stein accepts plans from 13 insurance carriers

Dr. Stein is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Stein accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Gary A. Stein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gary A. Stein

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gary A. Stein's NPI number?

Dr. Gary A. Stein's NPI number is 1952344525. It was assigned on June 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary A. Stein?

Dr. Gary A. Stein is an orthopedic surgeon in Santa Rosa, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Gary A. Stein practice?

Dr. Stein practices at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. Dr. Stein's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Dmand AI also links Dr. Stein to 4 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Gary A. Stein's office phone number?

The practice phone on file for Dr. Stein is (707) 541-3500.

What is Dr. Gary A. Stein's medical license number?

Dr. Stein holds California license C40149, one of the licenses on file in 2 states.

Which states has Dr. Gary A. Stein been licensed in?

Dmand AI has state licenses on file for Dr. Stein in California (1981 to 2027) and Texas (1980 to 1981).

Which hospitals is Dr. Gary A. Stein affiliated with?

Dr. Stein is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Stein to 4 more hospitals.

What medical group is Dr. Gary A. Stein part of?

Dr. Stein is linked to Santa Rosa Orthopaedics. Dmand AI links Dr. Stein to 1 more medical group.

Does Dr. Gary A. Stein accept Medicare?

Yes. CMS data shows Dr. Stein billed Medicare for 19,346 services in 2024, and Dr. Stein accepts Medicare assignment.

What is Dr. Gary A. Stein's MIPS score?

Dr. Stein's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Gary A. Stein see?

CMS counts 723 Medicare patients who saw Dr. Stein in 2024, with an average age of 75.

Is Dr. Gary A. Stein board certified?

Yes. Dr. Stein is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Gary A. Stein bill to Medicare?

In 2024, Dr. Stein's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and surgery: bones and joints (20610).

Where did Dr. Gary A. Stein go to medical school?

Dr. Stein graduated from Indiana University School Of Medicine in 1979.

What drugs does Dr. Gary A. Stein prescribe most?

In 2024 Medicare Part D data, Dr. Stein's most prescribed drugs by claims were Celecoxib, Oxycodone-Acetaminophen and Hydrocodone-Acetaminophen.

Has Dr. Gary A. Stein received payments from drug or device companies?

CMS Open Payments shows $4,368 in general payments to Dr. Stein from 14 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. Gary A. Stein been practicing?

Dr. Stein graduated from medical school in 1979, 47 years ago.

Does Dr. Gary A. Stein do research?

Dmand AI links 1 publication to Dr. Stein.

Who does Dr. Gary A. Stein publish with?

Dr. Stein's most frequent co-authors are John Lester Goudreau, DO (1 shared paper), Arshad Majid, MD (1 shared paper) and Kelsey Serfozo, MD (1 shared paper).

What insurance does Dr. Gary A. Stein accept?

Dr. Stein is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Selling to orthopaedic surgery practices?

See orthopedic surgeons in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)