DR. NICHOLAS E WEINBERG M.D.
NPI 1649598871
Emergency Medicine in Boston, MA
About Dr. Nicholas E Weinberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS E WEINBERG M.D. (NPI 1649598871) is an individual emergency medicine provider in Boston, Massachusetts, licensed in New York (270455) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of University Of Vermont College 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
Dr. Nicholas E Weinberg M.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
4Medicare enrollment records show Nicholas Weinberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Plymouth, NH 03264
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1144223702 (New Hampshire)
- 219 clinicians in this Medicare group
Lebanon, NH 03766
- Reassigned Medicare billing, New Hampshire enrollment
- 283 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHLittleton Regional Healthcare
Critical Access Hospitals · Littleton, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHPhysician 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.
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 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 Nicholas Weinberg's NPI number?
The NPI number for Nicholas Weinberg is 1649598871. It was assigned to this individual provider in the NPPES registry on May 12, 2010.
Where is Nicholas Weinberg located?
Nicholas Weinberg practices at 55 Fruit St Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-3936.
What is Nicholas Weinberg's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nicholas Weinberg enrolled in Medicare?
Yes. Nicholas Weinberg 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 Nicholas Weinberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Weinberg reassigns Medicare benefits to 4 organizations: Mary Hitchcock Memorial Hospital (Hampstead, NH), Dartmouth-Hitchcock Clinic (Keene, NH), Littleton Hospital Association (Plymouth, NH) and Alice Peck Day Memorial Hospital (Lebanon, NH). 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 Nicholas Weinberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Weinberg accept?
Health plans from Ambetter from NH Healthy Families and Taro Health list Nicholas Weinberg 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 Nicholas Weinberg affiliated with any hospitals?
According to CMS data, Nicholas Weinberg is affiliated with Mary Hitchcock Memorial Hospital, Littleton Regional Healthcare and Alice Peck Day Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Nicholas Weinberg was last updated on December 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Nicholas E Weinberg, M.D. · NPI 1649598871
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 12, 2010.
## Identity
- **NPI:** 1649598871 (Entity type: Individual)
- **Enumerated:** May 12, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 270455 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, Boston, MA 02114-2621
- **Phone:** (617) 726-3936 · **Fax:** (617) 726-0311
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Littleton Hospital Association (NPI 1033487582, Plymouth, NH); Alice Peck Day Memorial Hospital (NPI 1942002274, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** December 11, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1649598871) · Data from the CMS NPPES public registry.