William Barr
NPI 1639786320 · Physician Assistant · Newport News, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barr is a Physician Assistant provider in Newport News, VA (NPI 1639786320).
Provider details
- NPI number
- 1639786320
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
291 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 105 | $7 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 88 | $150 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 63 | $102 |
| Critical Care, First 30-74 Minutes99291 | 24 | $183 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 11 | $61 |
Typical Medicare-allowed amounts for these services range $7–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Naproxen | 19 | 19 |
| Cephalexin | 17 | 17 |
| Ondansetronbrand: Ondansetron Odt | 17 | 17 |
| Fluticasone Propionate | 16 | 16 |
| Cyclobenzaprine Hcl | 15 | 15 |
| Prednisone | 15 | 14 |
| Doxycycline Hyclate | 13 | 13 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 240 Gena CtNewport News, VA 23602-6300Phone: (757) 846-5022
Registry dates
- Enumerated
- 2020-09-26
- Last updated
- 2021-01-05
- Certified
- 2021-01-05
Frequently asked questions
- What is William Barr's NPI number?
- William Barr's National Provider Identifier (NPI) is 1639786320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barr's specialty?
- William Barr is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Barr located?
- William Barr's practice location on file with NPPES is 500 J Clyde Morris Blvd # 500, Newport News, VA 23601-1929.
- What is William Barr's phone number?
- The practice phone number listed in the NPPES registry for William Barr is (757) 873-1374.
- Does William Barr accept Medicare?
- William Barr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barr's NPI active?
- Yes — William Barr's NPI (1639786320) is active in the NPPES registry as of the last update on 2021-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.