MOHAMMAD HASHIM MUSTEHSAN
NPI 1013449057
Internal Medicine - Interventional Cardiology in Boston, MA
About Mohammad Hashim Mustehsan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMAD HASHIM MUSTEHSAN (NPI 1013449057) is an individual interventional cardiology provider in Boston, Massachusetts, licensed in Rhode Island (MD19961) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Mohammad Hashim Mustehsan 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 Mohammad Hashim Mustehsan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 clinicians in this Medicare group
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 984 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 2
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAKent County Memorial Hospital
Acute Care Hospitals · Warwick, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Mohammad Hashim Mustehsan's NPI number?
The NPI number for Mohammad Hashim Mustehsan is 1013449057. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Mohammad Hashim Mustehsan located?
Mohammad Hashim Mustehsan practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Mohammad Hashim Mustehsan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Mohammad Hashim Mustehsan enrolled in Medicare?
Yes. Mohammad Hashim Mustehsan 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 Mohammad Hashim Mustehsan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Hashim Mustehsan reassigns Medicare benefits to 3 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA) and Affinity Physicians LLC (Providence, RI). 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 Mohammad Hashim Mustehsan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mohammad Hashim Mustehsan affiliated with any hospitals?
According to CMS data, Mohammad Hashim Mustehsan is affiliated with North Shore Medical Center -, Newton-Wellesley Hospital, Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Kent County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mohammad Hashim Mustehsan was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Mohammad Hashim Mustehsan · NPI 1013449057
Interventional Cardiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1013449057 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** MD19961 (Rhode Island)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA); Affinity Physicians LLC (NPI 1053038471, Providence, RI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1013449057) · Data from the CMS NPPES public registry.