DR. REBECCA SUK HEIST MD MPH
NPI 1184697278
Internal Medicine in Boston, MA
About Dr. Rebecca Suk Heist Md Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REBECCA SUK HEIST MD MPH (NPI 1184697278) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (212736) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 3
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
Dr. Rebecca Suk Heist Md Mph 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 Rebecca Heist reassigns Medicare billing to 3 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
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMassachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, 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, 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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 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 Rebecca Heist's NPI number?
The NPI number for Rebecca Heist is 1184697278. It was assigned to this individual provider in the NPPES registry on February 9, 2006. The provider is also known as Dr. Chi-Won Rebecca Suk MD Mph.
Where is Rebecca Heist located?
Rebecca Heist practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-4000.
What is Rebecca Heist's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rebecca Heist enrolled in Medicare?
Yes. Rebecca Heist 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 Rebecca Heist's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Heist reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Brigham & Womens 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 Rebecca Heist's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Heist accept?
Health plans from Taro Health list Rebecca Heist 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 Rebecca Heist affiliated with any hospitals?
According to CMS data, Rebecca Heist is affiliated with Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Rebecca Heist was last updated on August 11, 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.
# Dr. Rebecca Suk Heist, MD MPH · NPI 1184697278
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since February 9, 2006.
## Identity
- **NPI:** 1184697278 (Entity type: Individual)
- **Enumerated:** February 9, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 212736 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 724-4000 · **Fax:** (617) 726-0453
## 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): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1999
## Record status
- **NPPES last updated:** August 11, 2026
- **Other identifiers:** Other 468219 (MA); Medicaid 2104148 (MA); Other J28696 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1184697278) · Data from the CMS NPPES public registry.