Keith S. Merlin, M.D.
Obstetrics & Gynecology Physician · North Easton, MA
Keith S. Merlin, M.D. is an obstetrics & gynecology physician with a practice address in North Easton, Massachusetts, and NPI 1659316701, issued on Jun 20, 2006. Check the license (Massachusetts 160429, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Keith S. Merlin
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 160429 MA
Self-reported in NPPES; status is on the state search - Practice location
- 31 Roche Bros Way, North Easton, MA 02356
- Phone
- (508) 894-8740
- Enumerated
- Jun 20, 2006
- Record last updated
- Nov 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (508) 894-8742
- Medicaid ID
- 3193438 MA
- Medicare enrollment
- Enrolled (PECOS I20091027000640); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 31 Roche Bros Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith S. Merlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 160429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
110 Medicare Part D claims for 46 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Clobetasol Propionate17 claims
- Estradiol12 claims
- Cryselle11 claims
- Fluconazole11 claims
- Ibuprofen11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $38.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Keith S. Merlin among 1,127 obstetrics & gynecology physician records in Massachusetts
Keith S. Merlin, M.D. 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. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1983 · median 2004 among the 715 with a school on file
- Record last updated2015 · 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.
All 1,127 in Massachusetts → Every provider in North Easton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lauren Brown, MDNorth Easton, MA 023561730163262
- Tutasi Waters, M.D.North Easton, MA 023561073539334
- Yiran Xu, M.D.North Easton, MA 023561902287998
- Joel Baron, M.D.Plymouth, MA 023601114083045
- Maryanne Bombaugh, M.D.Plymouth, MA 023601962477224
- Juliann Corsini, MDPlymouth, MA 023601508817891
- Dima Ezzedine, M.D.Plymouth, MA 023601922480391
- Lara Kingston, M.D.Plymouth, MA 023601629276696
Common questions
What is Keith S. Merlin, M.D.'s NPI number?
Keith S. Merlin, M.D.'s National Provider Identifier (NPI) is 1659316701, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith S. Merlin, M.D. located?
The NPPES record lists a practice address at 31 Roche Bros Way, North Easton, MA, 02356. Phone: (508) 894-8740. Providers update this record themselves, so call before visiting.
How can I verify Keith S. Merlin, M.D.'s license?
NPPES lists Massachusetts license number 160429, 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.
How much does Keith S. Merlin, M.D. prescribe under Medicare Part D?
In 2024, Keith S. Merlin, M.D. had 110 Medicare Part D claims for 46 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Keith S. Merlin, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.