Robin Stanton Mayfield, M.D.
Internal Medicine Physician · Brookline, MA
Robin Stanton Mayfield, M.D. is an internal medicine physician with a practice address in Brookline, Massachusetts, and NPI 1225098924, issued on Mar 25, 2006. Check the license (Massachusetts 78290, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robin Stanton Mayfield
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 78290 MA
Self-reported in NPPES; status is on the state search - Practice location
- 32 Kent St, Brookline, MA 02445
- Phone
- (617) 794-1463
- Enumerated
- Mar 25, 2006
- Record last updated
- Mar 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (617) 739-1963
- Medicaid ID
- 3130266 MA
- Medicare enrollment
- Enrolled (PECOS I20041213000160); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 32 Kent St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Dyer, LSWSocial Worker1134390289
- Dawn Fraser, NPFamily Nurse Practitioner1548335698
- Youko Yeracaris, M.D.Family Medicine Physician1437240512
Verify Robin Stanton Mayfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 78290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average internal medicine physician in 2024
3,745 Medicare Part D claims for 274 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 180 claims were for opioids.
Most prescribed
- Amlodipine Besylate168 claims
- Lisinopril155 claims
- Albuterol Sulfate Hfa154 claims
- Gabapentin137 claims
- Metformin Hcl124 claims
- Atorvastatin Calcium123 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: $43.41
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Massachusetts Institute OF TechnologyCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robin Stanton Mayfield among 6,825 internal medicine physician records in Massachusetts
Robin Stanton Mayfield, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2004 among the 4,103 with a school on file
- Record last updated2013 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 internal medicine physician records list a practice address in Brookline
They are 57 of the 2,357 NPPES records with a practice address in Brookline, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Brookline → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rebecca Ashkenazy, M.D.Brookline, MA 024451619934403
- Ali Bahadori, MDBrookline, MA 024451376592584
- David Mark Davidson, M.D.Brookline, MA 024451457399677
- Kurt Fabrick, M.D., M.P.H.Brookline, MA 024451538113477
- Ronald Katz, M.D.Brookline, MA 024451508834011
- Christine Keegan, MDBrookline, MA 024451952364143
- Rattna Phull, MDBrookline, MA 024451629035928
- Elizabeth Rourke, M.D.Brookline, MA 024451386625739
Common questions
What is Robin Stanton Mayfield, M.D.'s NPI number?
Robin Stanton Mayfield, M.D.'s National Provider Identifier (NPI) is 1225098924, issued on Mar 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robin Stanton Mayfield, M.D. located?
The NPPES record lists a practice address at 32 Kent St, Brookline, MA, 02445. Phone: (617) 794-1463. Providers update this record themselves, so call before visiting.
How can I verify Robin Stanton Mayfield, M.D.'s license?
NPPES lists Massachusetts license number 78290, 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 Robin Stanton Mayfield, M.D. prescribe under Medicare Part D?
In 2024, Robin Stanton Mayfield, M.D. had 3,745 Medicare Part D claims for 274 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.