NPPES file of Aug 9, 2026

Brandon Cortez, M.D.

Family Medicine Physician · Santa Rosa, CA

Brandon Cortez, M.D. is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1538521828, issued on Mar 24, 2016. Check the license (California A151645, 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
1538521828
Name
Brandon Cortez
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A151645 CA
Self-reported in NPPES; status is on the state search
Practice location
1300 N Dutton Ave, Santa Rosa, CA 95401
Phone
(707) 396-5151
Enumerated
Mar 24, 2016
Record last updated
Mar 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240410002275); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2016
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1300 N Dutton Ave

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

  1. Jessica BaisleyPediatric Dentistry1497319222
  2. Nicole Bayard, DNP, FNP, APRNFamily Nurse Practitioner1154954600
  3. Amy Brenner, NPFamily Nurse Practitioner1740900786
  4. Laurence Brown, RN, NPFamily Nurse Practitioner1700050200
  5. Jill Davidson, NPFamily Nurse Practitioner1265211155
  6. Ryan Duval, L.AC.Acupuncturist1376185272

Verify Brandon Cortez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A151645    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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50% fewer Medicare Part D claims than the average family medicine physician in 2024

1,770 Medicare Part D claims for 101 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 211 claims were for opioids.

  1. Brandon Cortez1,770
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium132 claims
  2. Hydrocodone-Acetaminophen84 claims
  3. Gabapentin74 claims
  4. Amlodipine Besylate52 claims
  5. Lisinopril49 claims
  6. Oxycodone-Acetaminophen46 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. Santa Rosa Community Health CentersSanta Rosa, CA

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

Brandon Cortez among 17,133 family medicine physician records in California

Brandon Cortez, M.D. 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% 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 updated2020 · 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.

All 17,133 in California → Every provider in Santa Rosa → Family Medicine Physician nationwide →

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 Brandon Cortez, M.D.'s NPI number?

Brandon Cortez, M.D.'s National Provider Identifier (NPI) is 1538521828, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Brandon Cortez, M.D. located?

The NPPES record lists a practice address at 1300 N Dutton Ave, Santa Rosa, CA, 95401. Phone: (707) 396-5151. Providers update this record themselves, so call before visiting.

How can I verify Brandon Cortez, M.D.'s license?

NPPES lists California license number A151645, 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 Brandon Cortez, M.D. prescribe under Medicare Part D?

In 2024, Brandon Cortez, M.D. had 1,770 Medicare Part D claims for 101 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.