NPPES file of Aug 9, 2026

Stephen Perry, MD

Family Medicine Physician · Santa Rosa, CA

Stephen Perry, MD is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1922539006, issued on Mar 21, 2017. Check the license (California 170641, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922539006
Name
Stephen Perry
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
170641 CA
Self-reported in NPPES; status is on the state search
Practice location
131 Stony Cir Ste 1600, Santa Rosa, CA 95401
Phone
(707) 541-7700
Enumerated
Mar 21, 2017
Record last updated
Mar 20, 2025
Medicare enrollment
Enrolled (PECOS I20201124001792); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 131 Stony Cir Ste 1600

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

  1. Renee Armstrong, M.D.Family Medicine Physician1093899239
  2. Emily Baker, NPNurse Practitioner1811267552
  3. David Begert, M.D.Family Medicine Physician1184736159
  4. Leslie Brouillette, NPFamily Nurse Practitioner1962652479
  5. Phyllis Cohen, M.D.Family Medicine Physician1407964000
  6. Glency Sue Marie Corominas, M.D.Family Medicine Physician1336593755

Verify Stephen Perry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 170641
    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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19% more Medicare Part D claims than the average family medicine physician in 2024

4,221 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 294 claims were for opioids.

  1. Stephen Perry4,221
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium279 claims
  2. Tamsulosin Hcl169 claims
  3. Amlodipine Besylate143 claims
  4. Levothyroxine Sodium132 claims
  5. Lisinopril128 claims
  6. Gabapentin113 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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Rosa, CA

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

Stephen Perry among 17,133 family medicine physician records in California

Stephen Perry, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

264 family medicine physician records list a practice address in Santa Rosa

They are 264 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Roberta Berg, MDSanta Rosa, CA 954011689643884
  2. Jennifer Betts, MDSanta Rosa, CA 954011518965771
  3. Lambert Daniel, MDSanta Rosa, CA 954011487688941
  4. Ellen Kruusmagi, MDSanta Rosa, CA 954011003831793
  5. Marshall Kubota, MDSanta Rosa, CA 954011245297969
  6. Patricia Kulawiak, MDSanta Rosa, CA 954011487649711
  7. Carla Longchamp, M.D.Santa Rosa, CA 954011972544948
  8. Jeremy Mesches, MDSanta Rosa, CA 954011245207026

Common questions

What is Stephen Perry, MD's NPI number?

Stephen Perry, MD's National Provider Identifier (NPI) is 1922539006, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Perry, MD located?

The NPPES record lists a practice address at 131 Stony Cir Ste 1600, Santa Rosa, CA, 95401. Phone: (707) 541-7700. Providers update this record themselves, so call before visiting.

How can I verify Stephen Perry, MD's license?

NPPES lists California license number 170641, 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 Stephen Perry, MD prescribe under Medicare Part D?

In 2024, Stephen Perry, MD had 4,221 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.