William Antonelli, DO
NPI 1609890193 · Hospitalist Physician · Willingboro, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Antonelli, DO is a Hospitalist Physician provider in Willingboro, NJ (NPI 1609890193).
Provider details
- NPI number
- 1609890193
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB06319300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
786 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 400 | $130 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 186 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 118 | $86 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 45 | $141 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 37 | $190 |
Typical Medicare-allowed amounts for these services range $86–$190 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 |
|---|---|---|
| Prednisone | 32 | 28 |
| Amlodipine Besylate | 17 | 15 |
| Furosemide | 15 | 14 |
| Pantoprazole Sodium | 15 | 15 |
| Doxycycline Hyclate | 14 | 14 |
| Losartan Potassium | 14 | 12 |
| Atorvastatin Calcium | 13 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1600 Haddon AveCamden, NJ 08103-3101Phone: (856) 757-3500Fax: (856) 365-4088
- 90 Brick Rd Fl 3Marlton, NJ 08053-2177Phone: (856) 355-6000Fax: (856) 355-6731
- 175 Madison AveMount Holly, NJ 08060-2099Phone: (609) 914-6000Fax: (609) 914-6182
- 100 Bowman Dr Lowr Level1Voorhees, NJ 08043-9612Phone: (856) 247-3000Fax: (856) 247-2597
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2020-12-15
- Certified
- 2020-12-15
Frequently asked questions
- What is William Antonelli's NPI number?
- William Antonelli's National Provider Identifier (NPI) is 1609890193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Antonelli's specialty?
- William Antonelli is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Antonelli located?
- William Antonelli's practice location on file with NPPES is 218 Sunset Rd, Willingboro, NJ 08046-1110.
- What is William Antonelli's phone number?
- The practice phone number listed in the NPPES registry for William Antonelli is (609) 835-3056.
- Does William Antonelli accept Medicare?
- William Antonelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Antonelli's NPI active?
- Yes — William Antonelli's NPI (1609890193) is active in the NPPES registry as of the last update on 2020-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.