Nelli Fromer, DO
NPI 1851551352 · Hematology & Oncology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelli Fromer, DO is a Hematology & Oncology Physician provider in Brooklyn, NY (NPI 1851551352).
Provider details
- NPI number
- 1851551352
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 273127 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
335 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 86 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 39 | $131 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 186 | 32 |
| Tamoxifen Citrate | 49 | — |
| Warfarin Sodium | 41 | 14 |
| Enzalutamidebrand: Xtandi | 38 | — |
| Apixabanbrand: Eliquis | 36 | 11 |
| Folic Acid | 31 | — |
| Ondansetron Hcl | 29 | 16 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$482 across 17 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
- 2008-06-10
- Last updated
- 2014-06-09
Frequently asked questions
- What is Nelli Fromer's NPI number?
- Nelli Fromer's National Provider Identifier (NPI) is 1851551352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelli Fromer's specialty?
- Nelli Fromer is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelli Fromer located?
- Nelli Fromer's practice location on file with NPPES is 374 Stockholm Street, Brooklyn, NY 11237.
- What is Nelli Fromer's phone number?
- The practice phone number listed in the NPPES registry for Nelli Fromer is (718) 302-8548.
- Does Nelli Fromer accept Medicare?
- Nelli Fromer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelli Fromer's NPI active?
- Yes — Nelli Fromer's NPI (1851551352) is active in the NPPES registry as of the last update on 2014-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.