Diana Marjorie Chen, M.D.
Dermatology Physician · Palo Alto, CA
Diana Marjorie Chen, M.D. is a dermatology physician with a practice address in Palo Alto, California, and NPI 1235229683, issued on Oct 14, 2006. Check the license (California G87733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Marjorie Chen
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G87733 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Miranda Ave # 123, Palo Alto, CA 94304
- Phone
- (650) 493-5000
- Enumerated
- Oct 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Diana Marjorie Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87733Check 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: $21.54
1 payment: food and beverage; the largest payer was Leo Pharma Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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.
Diana Marjorie Chen among 2,083 dermatology physician records in California
Diana Marjorie Chen, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Palo Alto → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Miguel Canales, M.D.Palo Alto, CA 943041053776740
- Kathie Huang, M.D.Palo Alto, CA 943041376739268
- Christine Jacobson, MDPalo Alto, CA 943041376756031
- Jinwoo Lee, MDPalo Alto, CA 943041366079956
- Allison Lloyd-McLennan, MDPalo Alto, CA 943041639530942
- Daniel Navi, M.D.Palo Alto, CA 943041215121280
- Eric Smith, M.D.Palo Alto, CA 943041114997277
- Qisi Sun, MDPalo Alto, CA 943041093396665
Common questions
What is Diana Marjorie Chen, M.D.'s NPI number?
Diana Marjorie Chen, M.D.'s National Provider Identifier (NPI) is 1235229683, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana Marjorie Chen, M.D. located?
The NPPES record lists a practice address at 3801 Miranda Ave # 123, Palo Alto, CA, 94304. Phone: (650) 493-5000. Providers update this record themselves, so call before visiting.
How can I verify Diana Marjorie Chen, M.D.'s license?
NPPES lists California license number G87733, 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.