MR. PETER ASSAAD DO
NPI 1669976700
Anesthesiology in Brighton, MA
About Mr. Peter Assaad Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PETER ASSAAD DO (NPI 1669976700) is an individual anesthesiology provider in Brighton, Massachusetts, licensed in Massachusetts (291468) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth's Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 (PECOS)
Mr. Peter Assaad Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
13Medicare enrollment records show Peter Assaad reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1043711914 (Massachusetts)
- 1,103 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 246 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 116 clinicians in this Medicare group
Weymouth, MA 02189
- Reassigned Medicare billing, Massachusetts enrollment
- 115 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Acton, MA 01720
- Reassigned Medicare billing, Massachusetts enrollment
- 125 clinicians in this Medicare group
Middleton, MA 01949
- Reassigned Medicare billing, Massachusetts enrollment
- 98 clinicians in this Medicare group
Norwell, MA 02061
- Reassigned Medicare billing, Massachusetts enrollment
- 346 clinicians in this Medicare group
Lawrence, MA 01842
- Reassigned Medicare billing, Massachusetts enrollment
- 231 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 7
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.
St Elizabeth's Medical Center
Acute Care Hospitals · Brighton, MABaystate Medical Center
Acute Care Hospitals · Springfield, MASouth Shore Hospital
Acute Care Hospitals · South Weymouth, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MATufts Medical Center
Acute Care Hospitals · Boston, MAOther 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 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
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 Assaad's NPI number?
The NPI number for Peter Assaad is 1669976700. It was assigned to this individual provider in the NPPES registry on March 22, 2018.
Where is Peter Assaad located?
Peter Assaad practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (508) 873-5529.
What is Peter Assaad's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Peter Assaad enrolled in Medicare?
Yes. Peter Assaad is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Assaad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Assaad reassigns Medicare benefits to 13 organizations: Steward Medical Group, Inc (Watertown, MA), Bmc Affiliated Physicians, Inc. (Boston, MA), Pratt Anesthesiology Associates, Inc (Boston, MA), Commonwealth Anesthesia Associates, Inc (Newton, MA), Capa Anesthesia LLC (Weymouth, MA) and 8 more organizations, 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 Assaad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Assaad accept?
Health plans from Taro Health and WellSense Health Plan list Peter Assaad 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 Assaad affiliated with any hospitals?
According to CMS data, Peter Assaad is affiliated with St Elizabeth's Medical Center, Baystate Medical Center, South Shore Hospital, Newton-Wellesley Hospital and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Peter Assaad was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.