NPPES file of Aug 9, 2026

Anna Milliren, DO

Family Medicine Physician · Travis Afb, CA

Anna Milliren, DO is a family medicine physician with a practice address in Travis Afb, California, and NPI 1528529161, issued on Mar 27, 2019. Check the license (California 20A20046, 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
1528529161
Name
Anna Milliren
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A20046 CA
Self-reported in NPPES; status is on the state search
Practice location
David Grant Usaf Medical Center, Travis Afb, CA 94535
Phone
(707) 423-3000
Enumerated
Mar 27, 2019
Record last updated
Nov 27, 2023
Medicare enrollment
Enrolled (PECOS I20230927003697); accepts Medicare assignment
Medical or professional school
Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2019
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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Verify Anna Milliren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20046
    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

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

40 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Anna Milliren40
  2. Specialty average3,544

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. Quantum Healthcare Medical Associates IncVallejo, CA

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

Anna Milliren among 17,133 family medicine physician records in California

Anna Milliren, DO 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2023 · 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).

38 family medicine physician records list a practice address in Travis Afb

They are 38 of the 864 NPPES records with a practice address in Travis Afb, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joann Basaran, MDTravis Afb, CA 945351184610305
  2. Ronald Crandall, M.D.Travis Afb, CA 945351861473456
  3. Byron Hepburn, MDTravis Afb, CA 945351730178021
  4. Kathryn Holder, M.D.Fairfield, CA 945351962499392
  5. Ilda Isaza, D.O.Travis Afb, CA 945351871512913
  6. Gregory Kennebeck, MDTravis Afb, CA 945351871579847
  7. Nonato Largoza, MDTravis Afb, CA 945351609817303
  8. Daniel Murray, M.D., M.P.H.Travis Afb, CA 945351285613018

Common questions

What is Anna Milliren, DO's NPI number?

Anna Milliren, DO's National Provider Identifier (NPI) is 1528529161, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Anna Milliren, DO located?

The NPPES record lists a practice address at David Grant Usaf Medical Center, Travis Afb, CA, 94535. Phone: (707) 423-3000. Providers update this record themselves, so call before visiting.

How can I verify Anna Milliren, DO's license?

NPPES lists California license number 20A20046, 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 Anna Milliren, DO prescribe under Medicare Part D?

In 2024, Anna Milliren, DO had 40 Medicare Part D claims for 16 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.