NPPES file of Aug 9, 2026

John F. Oberholtzer, M.D.

Pediatrics Physician · Davis, CA

John F. Oberholtzer, M.D. is a pediatrics physician with a practice address in Davis, California, and NPI 1316043912, issued on Sep 15, 2006. Check the license (California A55023, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316043912
Name
John F. Oberholtzer
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
A55023 CA
Self-reported in NPPES; status is on the state search
Practice location
2020 Sutter PL, Davis, CA 95616
Phone
(530) 750-5959
Enumerated
Sep 15, 2006
Record last updated
Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(530) 759-5960
Medicaid ID
00A550230 CA
Medicare enrollment
Enrolled (PECOS I20040929001272); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1994
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 2020 Sutter PL

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

  1. Roberta Allen, PAFamily Nurse Practitioner1508877382
  2. Eric Bailey, ATCAthletic Trainer1841706140
  3. Sheri Belafsky, M.D.Preventive Medicine/Occupational Environmental Medicine Physician1811011406
  4. Jack Berger, MDFamily Medicine Physician1891873477
  5. Anne Marie Bisson, PAPhysician Assistant1154333201
  6. Kimberly Breneisen, M.D.Pediatrics Physician1831101997

Verify John F. Oberholtzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55023
    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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Bills Medicare through one group practice

  1. Sutter Valley Medical FoundationSacramento, CA

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

John F. Oberholtzer among 9,272 pediatrics physician records in California

John F. Oberholtzer, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated1994 · median 2012 among the 754 with a school on file
  • Record last updated2015 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 pediatrics physician records list a practice address in Davis

They are 27 of the 1,711 NPPES records with a practice address in Davis, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Frederic Baker, MDDavis, CA 956161548348220
  2. Kimberly Breneisen, M.D.Davis, CA 956161831101997
  3. Kristin Friend, M.D.Davis, CA 956161235157132
  4. Veeraparn Kanchananakhin, M.D.Davis, CA 956161831118942
  5. Robert Lufburrow, MDDavis, CA 956161851479521
  6. Laura Mathew, M.D.Davis, CA 956161497850507
  7. Pamela Petersen, M.D.Davis, CA 956161255430716
  8. Michael Reinhart, MDDavis, CA 956161356441190

Common questions

What is John F. Oberholtzer, M.D.'s NPI number?

John F. Oberholtzer, M.D.'s National Provider Identifier (NPI) is 1316043912, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John F. Oberholtzer, M.D. located?

The NPPES record lists a practice address at 2020 Sutter PL, Davis, CA, 95616. Phone: (530) 750-5959. Providers update this record themselves, so call before visiting.

How can I verify John F. Oberholtzer, M.D.'s license?

NPPES lists California license number A55023, 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.

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.