William Bianchi, DO
NPI 1598156689 · Emergency Medicine Physician · Portsmouth, VA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bianchi, DO is a Emergency Medicine Physician provider in Portsmouth, VA (NPI 1598156689).
Provider details
- NPI number
- 1598156689
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A17373 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
361 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 229 | $171 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 59 | $118 |
| Advance Care Planning, First 30 Minutes99497 | 44 | $76 |
| Critical Care, First 30-74 Minutes99291 | 29 | $212 |
Typical Medicare-allowed amounts for these services range $76–$212 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 43 | 42 |
| Naproxen | 28 | 27 |
| Doxycycline Monohydrate | 14 | 14 |
| Methocarbamol | 13 | 12 |
| Cefuroxime Axetilbrand: Cefuroxime | 13 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | 12 |
| Prednisone | 12 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 250 Prospect PlCoronado, CA 92118Phone: (805) 616-2727
Registry dates
- Enumerated
- 2015-02-10
- Last updated
- 2024-09-12
- Certified
- 2024-09-12
Frequently asked questions
- What is William Bianchi's NPI number?
- William Bianchi's National Provider Identifier (NPI) is 1598156689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bianchi's specialty?
- William Bianchi is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Bianchi located?
- William Bianchi's practice location on file with NPPES is 620 John Paul Jones Cir, Portsmouth, VA 23708-2111.
- What is William Bianchi's phone number?
- The practice phone number listed in the NPPES registry for William Bianchi is (757) 953-0669.
- Does William Bianchi accept Medicare?
- William Bianchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bianchi's NPI active?
- Yes — William Bianchi's NPI (1598156689) is active in the NPPES registry as of the last update on 2024-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.