NPPES file of Aug 9, 2026

Willis Bowman, M.D.

Internal Medicine Physician · Sacramento, CA

Willis Bowman, M.D. is an internal medicine physician with a practice address in Sacramento, California, and NPI 1477970697, issued on Mar 26, 2014. Check the license (California A140103, 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
1477970697
Name
Willis Bowman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A140103 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St # 3400, Sacramento, CA 95817
Phone
(916) 734-3564
Enumerated
Mar 26, 2014
Record last updated
Dec 7, 2022
Medicare enrollment
Enrolled (PECOS I20170614002774); accepts Medicare assignment
Medical or professional school
University Of Kentucky College Of Medicine, 2014
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.
Download card Updates feed

Also registered at 4150 V St # 3400

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

  1. Catherine Chia, M.D.Internal Medicine Physician1659697563
  2. Madina Mohammadi, M.D.Hospitalist Physician1114283769
  3. Rogelio Pinon-Gutierrez, M.D.Internal Medicine Physician1417375395
  4. David PritchardInternal Medicine Physician1225579576
  5. Chenghao Qian, MDSleep Medicine (Internal Medicine) Physician1487115127
  6. Jothika TamizharasuInternal Medicine Physician1851977219

Verify Willis Bowman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A140103    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

82% fewer Medicare Part D claims than the average internal medicine physician in 2024

583 Medicare Part D claims for 145 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Willis Bowman583
  2. Specialty average3,176

Most prescribed

  1. Breyna60 claims
  2. Pirfenidone55 claims
  3. Spiriva Respimat46 claims
  4. Pantoprazole Sodium43 claims
  5. Albuterol Sulfate Hfa40 claims
  6. Prednisone38 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. Permanente Medical Group IncSacramento, CA

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

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

All 601 in Sacramento → All 17,696 in California → Every provider in Sacramento →

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Willis Bowman, M.D.'s NPI number?

Willis Bowman, M.D.'s National Provider Identifier (NPI) is 1477970697, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Willis Bowman, M.D. located?

The NPPES record lists a practice address at 4150 V St # 3400, Sacramento, CA, 95817. Phone: (916) 734-3564. Providers update this record themselves, so call before visiting.

How can I verify Willis Bowman, M.D.'s license?

NPPES lists California license number A140103, 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 Willis Bowman, M.D. prescribe under Medicare Part D?

In 2024, Willis Bowman, M.D. had 583 Medicare Part D claims for 145 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.