SAHAR F ZAFAR MD
NPI 1801123997
Psychiatry & Neurology - Neurology in Boston, MA
About Sahar F Zafar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAHAR F ZAFAR MD (NPI 1801123997) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (254084) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Sahar F Zafar Md 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
5Medicare enrollment records show Sahar Zafar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Sahar Zafar's NPI number?
The NPI number for Sahar Zafar is 1801123997. It was assigned to this individual provider in the NPPES registry on November 10, 2009.
Where is Sahar Zafar located?
Sahar Zafar practices at 55 Fruit St Department Of Neurology, Wang 735, Boston, MA 02114. The listed phone number is (617) 726-3311.
What is Sahar Zafar's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Sahar Zafar enrolled in Medicare?
Yes. Sahar Zafar 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 Sahar Zafar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sahar Zafar reassigns Medicare benefits to 5 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Bridgton Hospital (Bridgton, ME), Central Maine Medical Center (Lewiston, ME) and Rumford Hospital (Rumford, ME). 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 Sahar Zafar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sahar Zafar accept?
Health plans from Taro Health list Sahar Zafar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sahar Zafar affiliated with any hospitals?
According to CMS data, Sahar Zafar is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Sahar Zafar was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Sahar F Zafar, MD · NPI 1801123997
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 10, 2009.
## Identity
- **NPI:** 1801123997 (Entity type: Individual)
- **Enumerated:** November 10, 2009
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 254084 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 55 FRUIT ST, DEPARTMENT OF NEUROLOGY, WANG 735, Boston, MA 02114-2621
- **Phone:** (617) 726-3311
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Central Maine Medical Center (NPI 1689653487, Lewiston, ME); Rumford Hospital (NPI 1205991122, Rumford, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1801123997) · Data from the CMS NPPES public registry.