Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John F Oberholtzer, M.D.
Pediatrics Physician in Davis, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316043912
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Registry record
Entity type Individual (Type 1)
Name Dr. John F Oberholtzer
Credential M.D.
Sex Male
Practice address 2020 Sutter Pl, #201, Davis, CA, 95616
Phone (530) 750-5959
Fax (530) 759-5960
Enumeration date Sep 15, 2006
Last updated in NPPES Jul 22, 2015
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A550230 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for John Oberholtzer?
The National Provider Identifier (NPI) for John Oberholtzer is 1316043912, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Oberholtzer practice?
The practice location on file with NPPES is in Davis, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Petersen Orthopaedic Hand Surgery Physician · Davis, CA NPI 1467428656 Barbara Rudell Advanced Practice Midwife · Davis, CA NPI 1457386955 Justine Laubly Family Medicine Physician · Davis, CA NPI 1184640641 Kristin Friend Pediatrics Physician · Davis, CA NPI 1235157132 Stuart Hobbs Family Medicine Physician · Davis, CA NPI 1225056807 Charles Walker Family Medicine Physician · Davis, CA NPI 1962424796 Roberta Allen Family Nurse Practitioner · Davis, CA NPI 1508877382 Kathleen Dowd Advanced Practice Midwife · Davis, CA NPI 1508878133
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-22.