Jack Martin Percelay, MD
Hospitalist Physician · Palo Alto, CA
Jack Martin Percelay, MD is a hospitalist physician with a practice address in Palo Alto, California, and NPI 1255322202, issued on Oct 31, 2005. Check the license (California G66425, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack Martin Percelay
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- G66425 CA
MA07157000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Oct 31, 2005
- Record last updated
- Apr 28, 2024
- Medicaid ID
- 0028371 NJ
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Jack Martin Percelay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,157.64
2 payments; by number, the most common kind was consulting fee; the largest payer was Gilead Sciences, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jack Martin Percelay among 3,099 hospitalist physician records in California
Jack Martin Percelay, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
112 hospitalist physician records list a practice address in Palo Alto
They are 112 of the 7,617 NPPES records with a practice address in Palo Alto, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Palo Alto → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Francisco Alvarez, MDPalo Alto, CA 943041174525612
- Aurelia Balan, MDPalo Alto, CA 943041912950510
- Kathleen Boyd, MDPalo Alto, CA 943041588600746
- Lauren Destino, MDPalo Alto, CA 943041538245410
- Christophe Gimmler, M.D.Palo Alto, CA 943041679696637
- Sarah Hilgenberg, MDPalo Alto, CA 943041457541393
- Siobhan Hopkins, MDPalo Alto, CA 943041679678288
- Joseph Kim, MDPalo Alto, CA 943041487742946
Common questions
What is Jack Martin Percelay, MD's NPI number?
Jack Martin Percelay, MD's National Provider Identifier (NPI) is 1255322202, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jack Martin Percelay, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Jack Martin Percelay, MD's license?
NPPES lists California license number G66425, 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.