DR. JAMES RHEE M.D., PH.D.
NPI 1639374259
Anesthesiology in Boston, MA
About Dr. James Rhee M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES RHEE M.D., PH.D. (NPI 1639374259) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (246965) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Harvard Medical School (2007).
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
Dr. James Rhee M.d., Ph.d. 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 James Rhee 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.
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, MAFrequently 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 James Rhee's NPI number?
The NPI number for James Rhee is 1639374259. It was assigned to this individual provider in the NPPES registry on June 15, 2007.
Where is James Rhee located?
James Rhee practices at Mgpo 55 Fruit Street, Boston, MA 02114. The listed phone number is (617) 726-3030.
What is James Rhee's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Rhee enrolled in Medicare?
Yes. James Rhee 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 James Rhee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Rhee 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 James Rhee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Rhee accept?
Health plans from Taro Health list James Rhee 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 James Rhee affiliated with any hospitals?
According to CMS data, James Rhee is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for James Rhee was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. James Rhee, M.D., PH.D. · NPI 1639374259
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 15, 2007.
## Identity
- **NPI:** 1639374259 (Entity type: Individual)
- **Enumerated:** June 15, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 246965 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MGPO, 55 FRUIT STREET, Boston, MA 02114-2696
- **Phone:** (617) 726-3030
## 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 2007
## Record status
- **NPPES last updated:** September 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639374259) · Data from the CMS NPPES public registry.