Cheryl Hamlin, MD
Obstetrics & Gynecology Physician · Cambridge, MA
Cheryl Hamlin, MD is an obstetrics & gynecology physician with a practice address in Cambridge, Massachusetts, and NPI 1477522886, issued on Mar 16, 2006. Check the license (Massachusetts 74421, 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
- Cheryl Hamlin
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 74421 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (781) 983-5550
- Enumerated
- Mar 16, 2006
- Record last updated
- Jan 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 330 Mount Auburn St
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Verify Cheryl Hamlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cheryl Hamlin among 1,127 obstetrics & gynecology physician records in Massachusetts
Cheryl Hamlin, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 50% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,127 in Massachusetts → Every provider in Cambridge → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Elizabeth Baker, M.D.Cambridge, MA 021381659579969
- Danielle Dray, MDCambridge, MA 021381295021756
- Jean Fechheimer, MDCambridge, MA 021381225001670
- Gary Goldsmith, MDCambridge, MA 021381326019514
- David Goldwasser, M.D.Cambridge, MA 021381922045624
- Katherine Hanaway, MDCambridge, MA 021381457375727
- Edwin Huang, MDCambridge, MA 021381457334963
- Mitchell Levine, M.D.Cambridge, MA 021381407858913
Common questions
What is Cheryl Hamlin, MD's NPI number?
Cheryl Hamlin, MD's National Provider Identifier (NPI) is 1477522886, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cheryl Hamlin, MD located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (781) 983-5550. Providers update this record themselves, so call before visiting.
How can I verify Cheryl Hamlin, MD's license?
NPPES lists Massachusetts license number 74421, 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.