William Arthur Digiacomo, M.D.,F.A.C.P.
Internal Medicine Physician · Union, NJ
William Arthur Digiacomo, M.D.,F.A.C.P. is an internal medicine physician with a practice address in Union, New Jersey, and NPI 1184672172, issued on May 4, 2006. Check the license (New Jersey 25MA03185300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Arthur Digiacomo
- Credential
- M.D.,F.A.C.P.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA03185300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Morris Ave, Union, NJ 07083
- Phone
- (908) 851-2500
- Enumerated
- May 4, 2006
- Record last updated
- Mar 27, 2025
- Fax
- (908) 851-0708
- Medicare enrollment
- Enrolled (PECOS I20050915000760); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 2801 Morris Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- May Choy, M.S.N.Family Nurse Practitioner1760629323
- William Digiacomo, M.D.Internal Medicine Physician1982652970
Verify William Arthur Digiacomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA03185300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
8,533 Medicare Part D claims for 694 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.
Most prescribed
- Amlodipine Besylate592 claims
- Atorvastatin Calcium409 claims
- Rosuvastatin Calcium378 claims
- Metoprolol Succinate312 claims
- Alprazolam298 claims
- Metformin Hcl229 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $860.38
39 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hudson MD GroupFort Lee, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Arthur Digiacomo among 4,632 internal medicine physician records in New Jersey
William Arthur Digiacomo, M.D.,F.A.C.P. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1974 · median 2000 among the 3,132 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Union
They are 25 of the 1,094 NPPES records with a practice address in Union, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Union → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eve Benvenuti, MDUnion, NJ 070831427141688
- Nicholas Defilippis, M.D.Union, NJ 070831518962257
- Rajesh Dhirmalani, DOUnion, NJ 070831073522819
- Nereida Diaz-Johnson, M.D.Union, NJ 070831013939917
- William Digiacomo, M.D.Union, NJ 070831982652970
- Julie Dirico, MDUnion, NJ 070831417905001
- Jacqueline Fernandez, MDUnion, NJ 070831982628335
- Ludmila Gudz, MDUnion, NJ 070831386747806
Common questions
What is William Arthur Digiacomo, M.D.,F.A.C.P.'s NPI number?
William Arthur Digiacomo, M.D.,F.A.C.P.'s National Provider Identifier (NPI) is 1184672172, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Arthur Digiacomo, M.D.,F.A.C.P. located?
The NPPES record lists a practice address at 2801 Morris Ave, Union, NJ, 07083. Phone: (908) 851-2500. Providers update this record themselves, so call before visiting.
How can I verify William Arthur Digiacomo, M.D.,F.A.C.P.'s license?
NPPES lists New Jersey license number 25MA03185300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Arthur Digiacomo, M.D.,F.A.C.P. prescribe under Medicare Part D?
In 2024, William Arthur Digiacomo, M.D.,F.A.C.P. had 8,533 Medicare Part D claims for 694 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.