DR. ROBIN STANTON MAYFIELD M.D.
NPI 1225098924
Internal Medicine in Brookline, MA
About Dr. Robin Stanton Mayfield M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBIN STANTON MAYFIELD M.D. (NPI 1225098924) is an individual internal medicine provider in Brookline, Massachusetts, licensed in Massachusetts (78290) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Harvard Medical School (1990).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Robin Stanton Mayfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Robin Mayfield reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brookline, MA 02446
- Reassigned Medicare billing, Massachusetts enrollment
- 144 clinicians in this Medicare group
Cambridge, MA 02142
- Reassigned Medicare billing, Massachusetts enrollment
- 119 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 16 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02445 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robin Mayfield's NPI number?
The NPI number for Robin Mayfield is 1225098924. It was assigned to this individual provider in the NPPES registry on March 25, 2006.
Where is Robin Mayfield located?
Robin Mayfield practices at 32 Kent St, Brookline, MA 02445. The listed phone number is (617) 794-1463.
What is Robin Mayfield's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Robin Mayfield enrolled in Medicare?
Yes. Robin Mayfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Robin Mayfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robin Mayfield reassigns Medicare benefits to 3 organizations: Mass General Brigham Urgent Care LLC (Brookline, MA), Massachusetts Institute Of Technology (Cambridge, MA) and Drx Uc Watertown PC (Watertown, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robin Mayfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robin Mayfield affiliated with any hospitals?
According to CMS data, Robin Mayfield is affiliated with Boston Medical Center.
When was this NPI record last updated?
The NPPES record for Robin Mayfield was last updated on March 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Robin Stanton Mayfield, M.D. · NPI 1225098924
Internal Medicine physician in Brookline, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2006.
## Identity
- **NPI:** 1225098924 (Entity type: Individual)
- **Enumerated:** March 25, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 78290 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 32 KENT ST, Brookline, MA 02445-7902
- **Phone:** (617) 794-1463 · **Fax:** (617) 739-1963
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Urgent Care LLC (NPI 1720486830, Brookline, MA); Massachusetts Institute Of Technology (NPI 1346308723, Cambridge, MA); Drx Uc Watertown PC (NPI 1164772299, Watertown, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1990
## Record status
- **NPPES last updated:** March 15, 2013
- **Other identifiers:** Medicare UPIN F71191 (MA); Medicaid 3130266 (MA); Medicare ID-Type Unspecified J14325 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1225098924) · Data from the CMS NPPES public registry.