NPPES file of Aug 9, 2026

Justina M. Deitz, D.O.

Endocrinology, Diabetes & Metabolism Physician · Fair Lawn, NJ

Justina M. Deitz, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Fair Lawn, New Jersey, and NPI 1699922880, issued on Aug 19, 2008. Check the license (New Jersey 25MB08466800, 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
1699922880
Name
Justina M. Deitz
Credential
D.O.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
25MB08466800 NJ
Self-reported in NPPES; status is on the state search
Practice location
19-21 Fair Lawn Ave, Fair Lawn, NJ 07410
Phone
(201) 620-3390
Enumerated
Aug 19, 2008
Record last updated
Mar 21, 2024
Fax
(201) 693-9965
Medicare enrollment
Enrolled (PECOS I20080929000285); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2001
Telehealth
Offers telehealth (CMS)
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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8 nearest endocrinology, diabetes & metabolism physician records → All 417 in New Jersey → Look up another NPI →

Also registered at 19-21 Fair Lawn Ave

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

  1. John Cintineo, D.C.Rehabilitation Chiropractor1720119902
  2. Jeffrey Cohen, DCChiropractor1457454092
  3. Kevin Cudia, COTAOccupational Therapy Assistant1922879071
  4. Suzanne Elfarra, DDSDentist1144941659
  5. Robert Fischer, M.D.Plastic Surgery Physician1174695001
  6. Marina Guelfguat, DDSDentist1902008816

Verify Justina M. Deitz 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 25MB08466800    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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95% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

5,119 Medicare Part D claims for 500 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Justina Deitz5,119
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium736 claims
  2. Mounjaro478 claims
  3. Metformin Hcl Er437 claims
  4. Rosuvastatin Calcium279 claims
  5. Jardiance217 claims
  6. Ozempic210 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: $51.34

3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justina Deitz$51.34
  2. Specialty average$5,742.15

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

  1. Summit Medical Group PABerkeley Heights, NJ

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

Justina M. Deitz among 417 endocrinology, diabetes & metabolism physician records in New Jersey

Justina M. Deitz, D.O. is one of 417 endocrinology, diabetes & metabolism physician records with a practice address in New Jersey. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 42% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2001 · median 2006 among the 313 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New Jersey

There are 417 endocrinology, diabetes & metabolism physician records in New Jersey.

All 417 in New Jersey → Every provider in Fair Lawn → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Rahul Agarwal, MDFair Lawn, NJ 074101083051676
  2. Shivani Khetani, MDFair Lawn, NJ 074101639793540
  3. Hadir Mohamed, M.D.Fair Lawn, NJ 074101992158141
  4. Erica Weitzner, M.D.Fair Lawn, NJ 074101154715415
  5. Dima Yeshou, MDFair Lawn, NJ 074101124287412
  6. Lucy Covello, M.D.Butler, NJ 074051417058322
  7. Shiksha Sharma, M.DKinnelon, NJ 074051679987176
  8. Nina SudaKinnelon, NJ 074051447646872

Common questions

What is Justina M. Deitz, D.O.'s NPI number?

Justina M. Deitz, D.O.'s National Provider Identifier (NPI) is 1699922880, issued on Aug 19, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Justina M. Deitz, D.O. located?

The NPPES record lists a practice address at 19-21 Fair Lawn Ave, Fair Lawn, NJ, 07410. Phone: (201) 620-3390. Providers update this record themselves, so call before visiting.

How can I verify Justina M. Deitz, D.O.'s license?

NPPES lists New Jersey license number 25MB08466800, 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 Justina M. Deitz, D.O. prescribe under Medicare Part D?

In 2024, Justina M. Deitz, D.O. had 5,119 Medicare Part D claims for 500 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.