William Digiacomo, M.D.,F.A.C.P.
NPI 1184672172 · Internal Medicine Physician · Union, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Digiacomo, M.D.,F.A.C.P. is a Internal Medicine Physician provider in Union, NJ (NPI 1184672172).
Provider details
- NPI number
- 1184672172
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,F.A.C.P.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA03185300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,676 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 644 | $95 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 155 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 104 | $15 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 93 | $179 |
| Complete Ultrasound of Aorta, Vena Cava, Groin Vessels Or Bypass Grafts93978 | 93 | $202 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 89 | $212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 592 | 186 |
| Atorvastatin Calcium | 409 | 122 |
| Rosuvastatin Calcium | 378 | 109 |
| Metoprolol Succinate | 312 | 89 |
| Alprazolam | 298 | 65 |
| Metformin Hcl | 229 | 73 |
| Olmesartan Medoxomil |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$860 across 39 records (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
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is William Digiacomo's NPI number?
- William Digiacomo's National Provider Identifier (NPI) is 1184672172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Digiacomo's specialty?
- William Digiacomo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Digiacomo located?
- William Digiacomo's practice location on file with NPPES is 2801 Morris Ave, Union, NJ 07083-4826.
- What is William Digiacomo's phone number?
- The practice phone number listed in the NPPES registry for William Digiacomo is (908) 851-2500.
- Does William Digiacomo accept Medicare?
- William Digiacomo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Digiacomo's NPI active?
- Yes — William Digiacomo's NPI (1184672172) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.