Jon Keller, MD
Anatomic Pathology & Clinical Pathology Physician · Palo Alto, CA
Jon Keller, MD is an anatomic pathology & clinical pathology physician with a practice address in Palo Alto, California, and NPI 1235225558, issued on Oct 5, 2006. Check the license (California G88732, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jon Keller
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- G88732 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 321-4121
- Enumerated
- Oct 5, 2006
- Record last updated
- May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
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Verify Jon Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88732Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jon Keller among 1,554 anatomic pathology & clinical pathology physician records in California
Jon Keller, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,554 in California → Every provider in Palo Alto → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Derek Laskar, M.D.Palo Alto, CA 943011437544632
- Elise Rosen-Levin, M.D.Palo Alto, CA 943011902821333
- Puneeta Sarma VasaPalo Alto, CA 943011255627295
- Stephen Chen, M.D.Palo Alto, CA 943041508960741
- Melissa Clark, M.D.Palo Alto, CA 943041811177058
- Susan Galel, M.D.Palo Alto, CA 943041821144320
- Dita Gratzinger, MD, PHDPalo Alto, CA 943041710183116
- Reetesh PaiPalo Alto, CA 943041962608364
Common questions
What is Jon Keller, MD's NPI number?
Jon Keller, MD's National Provider Identifier (NPI) is 1235225558, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon Keller, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 321-4121. Providers update this record themselves, so call before visiting.
How can I verify Jon Keller, MD's license?
NPPES lists California license number G88732, 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. 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.