SIMMIE L FOSTER MD, PHD
NPI 1407177645
Internal Medicine in Boston, MA
About Simmie L Foster Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIMMIE L FOSTER MD, PHD (NPI 1407177645) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (L-244217) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Simmie L Foster Md, Phd 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
2Medicare enrollment records show Simmie Foster reassigns Medicare billing to 2 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
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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
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.
Physician 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
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 Simmie Foster's NPI number?
The NPI number for Simmie Foster is 1407177645. It was assigned to this individual provider in the NPPES registry on June 22, 2010.
Where is Simmie Foster located?
Simmie Foster practices at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. The listed phone number is (617) 726-2865.
What is Simmie Foster's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Simmie Foster enrolled in Medicare?
Yes. Simmie Foster 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 Simmie Foster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Simmie Foster reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, 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 Simmie Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Simmie Foster accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Simmie Foster 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.
When was this NPI record last updated?
The NPPES record for Simmie Foster was last updated on June 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Simmie L Foster, MD, PHD · NPI 1407177645
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 22, 2010.
## Identity
- **NPI:** 1407177645 (Entity type: Individual)
- **Enumerated:** June 22, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** L-244217 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., Boston, MA 02114
- **Phone:** (617) 726-2865
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** June 22, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1407177645) · Data from the CMS NPPES public registry.