NPPES file of Aug 9, 2026

Omonuwa Osa Adah, MD

Internal Medicine Physician · Union, NJ

Omonuwa Osa Adah, MD is an internal medicine physician with a practice address in Union, New Jersey, and NPI 1497339303, issued on May 6, 2021. Check the license (New Jersey 25MA12261800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497339303
Name
Omonuwa Osa Adah
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
25MA12261800 NJ
Self-reported in NPPES; status is on the state search
Practice location
2333 Morris Ave Ste D210, Union, NJ 07083
Phone
(908) 258-0220
Enumerated
May 6, 2021
Record last updated
Apr 23, 2025
Fax
(708) 763-1471
Medicare enrollment
Enrolled (PECOS I20250626001194); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Omonuwa Osa Adah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA12261800
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

320 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Omonuwa Adah320
  2. Specialty average3,176

Most prescribed

  1. Omeprazole21 claims
  2. Atorvastatin Calcium18 claims
  3. Losartan Potassium16 claims
  4. Hydrochlorothiazide15 claims
  5. Amlodipine Besylate14 claims
  6. Levothyroxine Sodium11 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.

Bills Medicare through one group practice

  1. Center For Vein Restoration NJ LLCUnion, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Omonuwa Osa Adah among 4,632 internal medicine physician records in New Jersey

Omonuwa Osa Adah, MD 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 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2020 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Eve Benvenuti, MDUnion, NJ 070831427141688
  2. Nicholas Defilippis, M.D.Union, NJ 070831518962257
  3. Rajesh Dhirmalani, DOUnion, NJ 070831073522819
  4. Nereida Diaz-Johnson, M.D.Union, NJ 070831013939917
  5. William Digiacomo, M.D.,F.A.C.P.Union, NJ 070831184672172
  6. William Digiacomo, M.D.Union, NJ 070831982652970
  7. Julie Dirico, MDUnion, NJ 070831417905001
  8. Jacqueline Fernandez, MDUnion, NJ 070831982628335

Common questions

What is Omonuwa Osa Adah, MD's NPI number?

Omonuwa Osa Adah, MD's National Provider Identifier (NPI) is 1497339303, issued on May 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Omonuwa Osa Adah, MD located?

The NPPES record lists a practice address at 2333 Morris Ave Ste D210, Union, NJ, 07083. Phone: (908) 258-0220. Providers update this record themselves, so call before visiting.

How can I verify Omonuwa Osa Adah, MD's license?

NPPES lists New Jersey license number 25MA12261800, 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 Omonuwa Osa Adah, MD prescribe under Medicare Part D?

In 2024, Omonuwa Osa Adah, MD had 320 Medicare Part D claims for 46 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.