BRADLEY JAMES WILLIAMS MD
NPI 1366753360
Emergency Medicine in Portsmouth, NH
About Bradley James Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRADLEY JAMES WILLIAMS MD (NPI 1366753360) is an individual emergency medicine provider in Portsmouth, New Hampshire, licensed in New Hampshire (25789) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Frisbie Memorial Hospital, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2010).
NPPES Registry Identity
Specialties & Licenses
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
Bradley James Williams 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 Bradley Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Derry, NH 03038
- Reassigned Medicare billing, New Hampshire enrollment
- 145 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Frisbie Memorial Hospital
Acute Care Hospitals · Rochester, NHPortsmouth Regional Hospital
Acute Care Hospitals · Portsmouth, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03801 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.
PORTSMOUTH, NH 03801
PORTSMOUTH, NH 03801
PORTSMOUTH, NH 03801
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 Bradley Williams's NPI number?
The NPI number for Bradley Williams is 1366753360. It was assigned to this individual provider in the NPPES registry on June 24, 2010.
Where is Bradley Williams located?
Bradley Williams practices at 333 Borthwick Ave, Portsmouth, NH 03801. The listed phone number is (603) 436-5110.
What is Bradley Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Bradley Williams enrolled in Medicare?
Yes. Bradley Williams 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 Bradley Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bradley Williams reassigns Medicare benefits to 2 organizations: Emergency Medicine Services Of Nh, LLC (Derry, NH) and Guam Healthcare Development Incorporated (Dededo, GU). 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 Bradley Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bradley Williams affiliated with any hospitals?
According to CMS data, Bradley Williams is affiliated with Frisbie Memorial Hospital and Portsmouth Regional Hospital.
When was this NPI record last updated?
The NPPES record for Bradley Williams was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Bradley James Williams, MD · NPI 1366753360
Emergency Medicine physician in Portsmouth, New Hampshire. Individual provider, active in the CMS NPPES registry since June 24, 2010.
## Identity
- **NPI:** 1366753360 (Entity type: Individual)
- **Enumerated:** June 24, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25789 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 333 BORTHWICK AVE, Portsmouth, NH 03801-7128
- **Phone:** (603) 436-5110
## 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): Emergency Medicine Services Of Nh, LLC (NPI 1386341444, Derry, NH); Guam Healthcare Development Incorporated (NPI 1326447939, Dededo, GU) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2010
## Record status
- **NPPES last updated:** January 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1366753360) · Data from the CMS NPPES public registry.