NPPES file of Aug 9, 2026

Adrian Alberto Diez, MD

Emergency Medicine Physician · Edison, NJ

Adrian Alberto Diez, MD is an emergency medicine physician with a practice address in Edison, New Jersey, and NPI 1619499431, issued on Jul 13, 2017. Check the license (New Jersey 25MA10779300, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619499431
Name
Adrian Alberto Diez
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
25MA10779300 NJ
Self-reported in NPPES; status is on the state search
Practice location
65 James St, Edison, NJ 08820
Phone
(732) 321-7000
Enumerated
Jul 13, 2017
Record last updated
Jun 9, 2023
Medicaid ID
0737640 NJ
Medicare enrollment
Enrolled (PECOS I20200609003009); accepts Medicare assignment
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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Also registered at 65 James St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aimee Abbott-Korumi, DOPhysical Medicine & Rehabilitation Physician1821728643
  2. Erica Addesa, NPPediatric Nurse Practitioner1487276267
  3. Pranavi Aeturi, MDStudent in an Organized Health Care Education/Training Program1609627769
  4. Amit Aggarwal, M.D.Diagnostic Radiology Physician1437310752
  5. Dena Agolio, LCSW, LCADCClinical Social Worker1538694823
  6. Owais AhmadStudent in an Organized Health Care Education/Training Program1700720703

Verify Adrian Alberto Diez 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 25MA10779300
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% more Medicare Part D claims than the average emergency medicine physician in 2024

263 Medicare Part D claims for 206 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Adrian Diez263
  2. Specialty average226

Most prescribed

  1. Naproxen37 claims
  2. Ibuprofen30 claims
  3. Cephalexin19 claims
  4. Morphine Sulfate19 claims
  5. Cefdinir13 claims
  6. Oxycodone-Acetaminophen12 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.

The MIPS final score for 2023 (Medicare payment program): 50.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score33.3
  2. Costout of 100 · 30%30.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Emergency Physician Associates OF North Jersey P CSummit, NJ
  2. Middlesex Emergency Physicians, P.A.Edison, NJ

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

Adrian Alberto Diez among 1,754 emergency medicine physician records in New Jersey

Adrian Alberto Diez, MD is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 74% of them.

  • NPI issued2017 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2017 · median 2011 among the 1,167 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in New Jersey

There are 1,754 emergency medicine physician records in New Jersey.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Yogesh Ahuja, MDEdison, NJ 088201851331219
  2. Michael Cali, MDEdison, NJ 088201003856766
  3. Lisa Charles, MDEdison, NJ 088201396928289
  4. Aaditya Desai, DOEdison, NJ 088201053517268
  5. Rashmin Hingrajia, M.D., M.P.H.Edison, NJ 088201225260490
  6. Gurvindra Johal, DOEdison, NJ 088201871551721
  7. Hetal Joshi, M.D.Edison, NJ 088201790729879
  8. Vikas Khanna, MDEdison, NJ 088201851331904

Common questions

What is Adrian Alberto Diez, MD's NPI number?

Adrian Alberto Diez, MD's National Provider Identifier (NPI) is 1619499431, issued on Jul 13, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Adrian Alberto Diez, MD located?

The NPPES record lists a practice address at 65 James St, Edison, NJ, 08820. Phone: (732) 321-7000. Providers update this record themselves, so call before visiting.

How can I verify Adrian Alberto Diez, MD's license?

NPPES lists New Jersey license number 25MA10779300, 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 Adrian Alberto Diez, MD prescribe under Medicare Part D?

In 2024, Adrian Alberto Diez, MD had 263 Medicare Part D claims for 206 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Adrian Alberto Diez, MD's MIPS final score?

The 2023 MIPS final score is 50.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.