DAVID CHRISTOPHER FISHER MD
NPI 1770542391
Internal Medicine - Hematology in Boston, MA
About David Christopher Fisher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID CHRISTOPHER FISHER MD (NPI 1770542391) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (80650) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of University Of Massachusetts Medical School (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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
David Christopher Fisher 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 Reassignment
Medicare enrollment records show David Fisher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 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 9
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Medical Center
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 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
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 David Fisher's NPI number?
The NPI number for David Fisher is 1770542391. It was assigned to this individual provider in the NPPES registry on March 22, 2006.
Where is David Fisher located?
David Fisher practices at 44 Binney St D1830, Boston, MA 02115. The listed phone number is (617) 632-6844.
What is David Fisher's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is David Fisher enrolled in Medicare?
Yes. David Fisher 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 organization bills Medicare for David Fisher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Fisher reassigns Medicare benefits to Dana-Farber Cancer Institute, Inc. (Boston, MA). The 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 David Fisher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Fisher accept?
Health plans from Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of Wyoming list David Fisher 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 David Fisher affiliated with any hospitals?
According to CMS data, David Fisher is affiliated with Beth Israel Deaconess Medical Center, 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 David Fisher was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# David Christopher Fisher, MD · NPI 1770542391
Hematology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 22, 2006.
## Identity
- **NPI:** 1770542391 (Entity type: Individual)
- **Enumerated:** March 22, 2006
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 80650 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 44 BINNEY ST, D1830, Boston, MA 02115
- **Phone:** (617) 632-6844 · **Fax:** (617) 632-4422
## 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:** Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 1989
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 759412; Other 3600190; Other 8834749; and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1770542391) · Data from the CMS NPPES public registry.