Jon-Michael Andrew Castelli, M.D.
Pediatrics Physician · Palo Alto, CA
Jon-Michael Andrew Castelli, M.D. is a pediatrics physician with a practice address in Palo Alto, California, and NPI 1710018742, issued on Mar 9, 2007. Check the license (California A92131, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jon-Michael Andrew Castelli
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A92131 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Mar 9, 2007
- Record last updated
- Jan 30, 2023
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 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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- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Jon-Michael Andrew Castelli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92131Check 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: $23.61
1 payment: food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Jon-Michael Andrew Castelli among 9,272 pediatrics physician records in California
Jon-Michael Andrew Castelli, 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2023 · 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).
321 pediatrics physician records list a practice address in Palo Alto
They are 321 of the 7,617 NPPES records with a practice address in Palo Alto, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Palo Alto → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Morissa Cohen, MDPalo Alto, CA 943041376599621
- Amy Conrad, MDPalo Alto, CA 943041346225653
- Allen Eskenazi, M.D.Palo Alto, CA 943041487658332
- Erin Holsinger, M.D.Palo Alto, CA 943041003817347
- Irene Jun, MDPalo Alto, CA 943041578528733
- Monica Kenney, MDPalo Alto, CA 943041023082377
- Andrew Lan, MDPalo Alto, CA 943041407813678
- Jeffrey Min, M.D.Palo Alto, CA 943041588621759
Common questions
What is Jon-Michael Andrew Castelli, M.D.'s NPI number?
Jon-Michael Andrew Castelli, M.D.'s National Provider Identifier (NPI) is 1710018742, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jon-Michael Andrew Castelli, M.D. 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 Jon-Michael Andrew Castelli, M.D.'s license?
NPPES lists California license number A92131, 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.