SIMIN GHARIB LEE M.D., M.B.A.
NPI 1215387436
Internal Medicine - Cardiovascular Disease in Boston, MA
About Simin Gharib Lee M.d., M.b.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIMIN GHARIB LEE M.D., M.B.A. (NPI 1215387436) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (1013371) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Harvard Medical School (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Simin Gharib Lee M.d., M.b.a. 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 Simin Lee 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
Chestnut Hill, MA 02467
- Reassigned Medicare billing, Massachusetts enrollment
- 12 clinicians in this Medicare group
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1194866210 (Massachusetts)
- 184 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAMartha's Vineyard Hospital Inc
Critical Access Hospitals · Oak Bluffs, MAPhysician 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 Simin Lee's NPI number?
The NPI number for Simin Lee is 1215387436. It was assigned to this individual provider in the NPPES registry on June 18, 2016.
Where is Simin Lee located?
Simin Lee practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Simin Lee's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Simin Lee enrolled in Medicare?
Yes. Simin Lee 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 Simin Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Simin Lee reassigns Medicare benefits to 3 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Lown Medical Group, PLLC (Chestnut Hill, MA) and Martha's Vineyard Hospital, Inc. (Oak Bluffs, 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 Simin Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Simin Lee accept?
Health plans from Anthem Blue Cross and Blue Shield list Simin Lee 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 Simin Lee affiliated with any hospitals?
According to CMS data, Simin Lee is affiliated with Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Martha's Vineyard Hospital Inc.
When was this NPI record last updated?
The NPPES record for Simin Lee was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Simin Gharib Lee, M.D., M.B.A. · NPI 1215387436
Cardiovascular Disease physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 18, 2016.
## Identity
- **NPI:** 1215387436 (Entity type: Individual)
- **Enumerated:** June 18, 2016
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 1013371 (Massachusetts)
- **Sole proprietor:** No
## 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); Lown Medical Group, PLLC (NPI 1437980638, Chestnut Hill, MA); Martha's Vineyard Hospital, Inc. (NPI 1134206386, Oak Bluffs, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2016
## Record status
- **NPPES last updated:** June 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1215387436) · Data from the CMS NPPES public registry.