Ryan Chen
Dermatology Physician · Cambridge, MA
Ryan Chen is a dermatology physician with a practice address in Cambridge, Massachusetts, and NPI 1386586220, issued on Apr 8, 2026. Check the license (Massachusetts 3020509, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ryan Chen
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 3020509 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 492-3500
- Enumerated
- Apr 8, 2026
- Record last updated
- Apr 8, 2026
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 330 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3020509Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ryan Chen among 627 dermatology physician records in Massachusetts
Ryan Chen is one of 627 dermatology physician records with a practice address in Massachusetts. 83% 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 2026, is newer than over 99% of them.
- NPI issued2026 · over 99% of these records are older, 0% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 627 in Massachusetts → Every provider in Cambridge → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lori Benjes, M.D.Cambridge, MA 021381154578268
- Shlomit Halachmi, M.D. PH.D.Cambridge, MA 021381689789646
- Ranella Hirsch, MDCambridge, MA 021381528113883
- Kay Kane, M.D.Cambridge, MA 021381790773828
- Qing Yu Weng, M.D.Cambridge, MA 021381174974968
- Devon McMahonCambridge, MA 021391780261925
- Abdul Ahmed, MDBoston, MA 021351417947516
- Mark Amster, MDBrighton, MA 021351518947068
Common questions
What is Ryan Chen's NPI number?
Ryan Chen's National Provider Identifier (NPI) is 1386586220, issued on Apr 8, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Chen located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 492-3500. Providers update this record themselves, so call before visiting.
How can I verify Ryan Chen's license?
NPPES lists Massachusetts license number 3020509, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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.