Deborah Greengrass, RN, APN
NPI 1134288491 · Nurse Practitioner · West Orange, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Greengrass, RN, APN is a Nurse Practitioner provider in West Orange, NJ (NPI 1134288491).
Provider details
- NPI number
- 1134288491
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, APN
- Sex
- Female
- Sole proprietor
- No
- License
- 26NJ00109500 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
212 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 168 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $119 |
Typical Medicare-allowed amounts for these services range $83–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 62 | 28 |
| Triamcinolone Acetonide | 61 | 33 |
| Letrozole | 30 | — |
| Fluconazole | 17 | 15 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 15 | 13 |
| Nystatin | 14 | — |
| Clobetasol Propionate | 14 | 11 |
| Norethindrone Acetate | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$412 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2022-07-21
Frequently asked questions
- What is Deborah Greengrass's NPI number?
- Deborah Greengrass's National Provider Identifier (NPI) is 1134288491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Greengrass's specialty?
- Deborah Greengrass is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deborah Greengrass located?
- Deborah Greengrass's practice location on file with NPPES is 101 Old Short Hills Rd Ste 400, West Orange, NJ 07052-1023.
- What is Deborah Greengrass's phone number?
- The practice phone number listed in the NPPES registry for Deborah Greengrass is (973) 243-9300.
- Does Deborah Greengrass accept Medicare?
- Deborah Greengrass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Greengrass's NPI active?
- Yes — Deborah Greengrass's NPI (1134288491) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.