NPPES file of Aug 9, 2026

Deborah A. Greengrass, RN, APN

Nurse Practitioner · West Orange, NJ

Deborah A. Greengrass, RN, APN is a nurse practitioner with a practice address in West Orange, New Jersey, and NPI 1134288491, issued on Dec 6, 2006. Check the license (New Jersey 26NJ00109500, as entered in NPPES) with the New Jersey board that licenses this profession; 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
1134288491
Name
Deborah A. Greengrass
Credential
RN, APN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
26NJ00109500 NJ
Self-reported in NPPES; status is on the state search
Practice location
101 Old Short Hills RD Ste 400, West Orange, NJ 07052
Phone
(973) 243-9300
Enumerated
Dec 6, 2006
Record last updated
Jul 21, 2022
Fax
(973) 325-8573
Medicare enrollment
Enrolled (PECOS I20090604000259); 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 101 Old Short Hills RD Ste 400

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

  1. Brooke Meelheim, DOGynecologic Oncology Physician1225562630

Verify Deborah A. Greengrass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 26NJ00109500
    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
Find the New Jersey license search

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66% fewer Medicare Part D claims than the average nurse practitioner in 2024

372 Medicare Part D claims for 150 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Deborah Greengrass372
  2. Specialty average1,109

Most prescribed

  1. Estradiol62 claims
  2. Triamcinolone Acetonide61 claims
  3. Letrozole30 claims
  4. Fluconazole17 claims
  5. Nitrofurantoin Mono-Macro15 claims
  6. Clobetasol Propionate14 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: $412.45

21 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Deborah Greengrass$412.45
  2. Specialty average$791.64

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. Barnabas Health Medical Group, PCNewark, NJ

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

15 nurse practitioner records list a practice address in West Orange

They are 15 of the 1,370 NPPES records with a practice address in West Orange, and 1,961 nurse practitioner records in New Jersey.

Other nurse practitioner records in New Jersey

  1. Clariza Abad, AGNP-CSummit, NJ1518500149
  2. Grace Abad, MSN RN, ANP-BCSomerville, NJ1710203450
  3. Heidi Abdelmaguid, APNDenville, NJ1578330866
  4. Colleen Abell, C.R.N.PFlorham Park, NJ1528254232
  5. Rosalyn AbrahamUnion, NJ1033692769
  6. Luis Abreu RosarioHackensack, NJ1568318038
  7. Mary AbuhouranNeptune, NJ1699538694
  8. Erin Acker-Jablonski, FNPParamus, NJ1972150233
  9. Katherine Adamczyk, APNHillsborough, NJ1184122061
  10. Julie Adamek, NPToms River, NJ1245212778

Common questions

What is Deborah A. Greengrass, RN, APN's NPI number?

Deborah A. Greengrass, RN, APN's National Provider Identifier (NPI) is 1134288491, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah A. Greengrass, RN, APN located?

The NPPES record lists a practice address at 101 Old Short Hills RD Ste 400, West Orange, NJ, 07052. Phone: (973) 243-9300. Providers update this record themselves, so call before visiting.

How can I verify Deborah A. Greengrass, RN, APN's license?

NPPES lists New Jersey license number 26NJ00109500, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Deborah A. Greengrass, RN, APN prescribe under Medicare Part D?

In 2024, Deborah A. Greengrass, RN, APN had 372 Medicare Part D claims for 150 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.