NPPES file of Aug 9, 2026

Gary A. Stein, M.D.

Orthopaedic Surgery Physician · Santa Rosa, CA

Gary A. Stein, M.D. is an orthopaedic surgery physician with a practice address in Santa Rosa, California, and NPI 1952344525, issued on Jun 13, 2006. Check the license (California C40149, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952344525
Name
Gary A. Stein
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
C40149 CA
Self-reported in NPPES; status is on the state search
Practice location
1405 Montgomery Dr, Santa Rosa, CA 95405
Phone
(707) 546-1922
Enumerated
Jun 13, 2006
Record last updated
Jul 14, 2023
Fax
(707) 546-1987
Medicaid ID
00C401490 CA
Medicare enrollment
Enrolled (PECOS I20080626000419); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1405 Montgomery Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christian Athanassious, M.D.Orthopaedic Surgery Physician1043471279
  2. Carolyn Bartlett, O.T., C.H.T.Hand Occupational Therapist1023176450
  3. Thomas Degenhardt, M.D.Orthopaedic Surgery Physician1073556635
  4. Rodney Dekleuver, PHYSICIAN ASSISTANTPhysician Assistant1487118105
  5. Patricia Hall, RPTPhysical Therapist1588876049
  6. Jennifer Henshaw-Lefever, PA, O.T.Physician Assistant1891997227

Verify Gary A. Stein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C40149
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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24% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

263 Medicare Part D claims for 143 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 117 claims were for opioids.

  1. Gary Stein263
  2. Specialty average346

Most prescribed

  1. Celecoxib54 claims
  2. Oxycodone-Acetaminophen51 claims
  3. Hydrocodone-Acetaminophen39 claims
  4. Cephalexin33 claims
  5. Tramadol Hcl21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%65.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,741.47

9 payments; by number, the most common kind was travel and lodging; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Stein$2,741
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Santa Rosa Orthopaedic Medical Group, Inc.Santa Rosa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gary A. Stein among 2,276 orthopaedic surgery physician records in California

Gary A. Stein, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1979 · median 2003 among the 1,347 with a school on file
  • Record last updated2023 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Christian Athanassious, M.D.Santa Rosa, CA 954051043471279
  2. James Bauer, MDSanta Rosa, CA 954051154736882
  3. Frederick Bennett, M.D.Santa Rosa, CA 954051205879830
  4. Thomas Degenhardt, M.D.Santa Rosa, CA 954051073556635
  5. Roger Klein, M.D.Santa Rosa, CA 954051083655252
  6. Michael McDermott, M.D.Santa Rosa, CA 954051750365102
  7. Neema Pourtaheri, MDSanta Rosa, CA 954051720272313
  8. Mark Schakel, M.D.Santa Rosa, CA 954051083657654

Common questions

What is Gary A. Stein, M.D.'s NPI number?

Gary A. Stein, M.D.'s National Provider Identifier (NPI) is 1952344525, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary A. Stein, M.D. located?

The NPPES record lists a practice address at 1405 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 546-1922. Providers update this record themselves, so call before visiting.

How can I verify Gary A. Stein, M.D.'s license?

NPPES lists California license number C40149, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gary A. Stein, M.D. prescribe under Medicare Part D?

In 2024, Gary A. Stein, M.D. had 263 Medicare Part D claims for 143 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Gary A. Stein, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.