PETER CARSTEN ALLFATHER
NPI 1780078956
Emergency Medicine in Boston, MA
About Peter Carsten Allfather NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER CARSTEN ALLFATHER (NPI 1780078956) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (278340) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and maintains a secondary practice location in Cambridge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Peter Carsten Allfather 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
6Medicare enrollment records show Peter Allfather reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 246 clinicians in this Medicare group
Boston, MA 02108
- Reassigned Medicare billing, Massachusetts enrollment
- 20 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 206 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 172 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Melrosewakefield Healthcare
Acute Care Hospitals · Melrose, MATufts Medical Center
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 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.
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
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 Peter Allfather's NPI number?
The NPI number for Peter Allfather is 1780078956. It was assigned to this individual provider in the NPPES registry on March 25, 2015.
Where is Peter Allfather located?
Peter Allfather practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Peter Allfather's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Peter Allfather enrolled in Medicare?
Yes. Peter Allfather 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 Peter Allfather's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Allfather reassigns Medicare benefits to 6 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Pratt Anesthesiology Associates, Inc (Boston, MA), Insted Medical PLLC (Boston, MA), Coastal Medical Associates (Weymouth, MA), Nantucket Cottage Hospital (Nantucket, MA) and 1 more organization, listed in the Medicare section above. 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 Peter Allfather's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Allfather accept?
Health plans from Taro Health list Peter Allfather 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 Peter Allfather affiliated with any hospitals?
According to CMS data, Peter Allfather is affiliated with Melrosewakefield Healthcare, Tufts Medical Center and Nantucket Cottage Hospital.
When was this NPI record last updated?
The NPPES record for Peter Allfather was last updated on July 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Peter Carsten Allfather · NPI 1780078956
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2015.
## Identity
- **NPI:** 1780078956 (Entity type: Individual)
- **Enumerated:** March 25, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 278340 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Pratt Anesthesiology Associates, Inc (NPI 1326085390, Boston, MA); Insted Medical PLLC (NPI 1750197224, Boston, MA); Coastal Medical Associates (NPI 1932175684, Weymouth, MA); Nantucket Cottage Hospital (NPI 1447214622, Nantucket, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2015
## Record status
- **NPPES last updated:** July 1, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1780078956) · Data from the CMS NPPES public registry.