Chen Chen, MD
Pediatrics Physician · Palo Alto, CA
Chen Chen, MD is a pediatrics physician with a practice address in Palo Alto, California, and NPI 1255710109, issued on May 26, 2015. Check the license (California A153861, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chen Chen
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- A153861 CA
D0089749 MD
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- May 26, 2015
- Record last updated
- Apr 10, 2024
- 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.
- Shayda Abadi, NPNurse Practitioner1316745540
- 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 Chen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pediatrics physician in 2024
16 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $200.66
8 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Chen Chen among 9,272 pediatrics physician records in California
Chen Chen, MD 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 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2024 · 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 Chen Chen, MD's NPI number?
Chen Chen, MD's National Provider Identifier (NPI) is 1255710109, issued on May 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chen Chen, 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 Chen Chen, MD's license?
NPPES lists California license number A153861, 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.
How much does Chen Chen, MD prescribe under Medicare Part D?
In 2024, Chen Chen, MD had 16 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
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.