DR. ANNE NEEDHAM THORNDIKE MD
NPI 1043200231
Internal Medicine in Boston, MA
About Dr. Anne Needham Thorndike Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNE NEEDHAM THORNDIKE MD (NPI 1043200231) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (150755) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Massachusetts Medical School (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Anne Needham Thorndike Md 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 Anne Thorndike 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.
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, 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, MANantucket Cottage Hospital
Acute Care Hospitals · Nantucket, 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.
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 Anne Thorndike's NPI number?
The NPI number for Anne Thorndike is 1043200231. It was assigned to this individual provider in the NPPES registry on October 27, 2005.
Where is Anne Thorndike located?
Anne Thorndike practices at 55 Fruit St Womens Health Associates Yaw 4720B, Boston, MA 02114. The listed phone number is (617) 724-6700.
What is Anne Thorndike's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anne Thorndike enrolled in Medicare?
Yes. Anne Thorndike 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 Anne Thorndike's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Thorndike 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 Anne Thorndike's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne Thorndike accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Anne Thorndike 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 Anne Thorndike affiliated with any hospitals?
According to CMS data, Anne Thorndike is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Nantucket Cottage Hospital.
When was this NPI record last updated?
The NPPES record for Anne Thorndike was last updated on October 8, 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.
# Dr. Anne Needham Thorndike, MD · NPI 1043200231
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 27, 2005.
## Identity
- **NPI:** 1043200231 (Entity type: Individual)
- **Enumerated:** October 27, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 150755 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, WOMENS HEALTH ASSOCIATES YAW 4720B, Boston, MA 02114-2621
- **Phone:** (617) 724-6700
## 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:** University Of Massachusetts Medical School, class of 1992
## Record status
- **NPPES last updated:** October 8, 2010
- **Other identifiers:** Medicaid 3175031 (MA); Other 150755 (MA); Other J18069 (MA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1043200231) · Data from the CMS NPPES public registry.