Tatyana Feldman, M.D.
NPI 1578528089 · Medical Oncology Physician · Hackensack, NJ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tatyana Feldman, M.D. is a Medical Oncology Physician provider in Hackensack, NJ (NPI 1578528089).
Provider details
- NPI number
- 1578528089
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA07424900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,893 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,137 | $139 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 980 | $18 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 366 | $126 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 119 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 76 | $197 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Zanubrutinibbrand: Brukinsa | 173 | 23 |
| Acalabrutinib Maleatebrand: Calquence | 114 | 12 |
| Acyclovir | 87 | 29 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 83 | 22 |
| Prednisone | 83 | 27 |
| Fluconazole | 66 | 25 |
| Valacyclovir Hclbrand: Valacyclovir | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27,128 across 30 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
- 2006-04-18
- Last updated
- 2022-01-26
- Certified
- 2022-01-26
Frequently asked questions
- What is Tatyana Feldman's NPI number?
- Tatyana Feldman's National Provider Identifier (NPI) is 1578528089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tatyana Feldman's specialty?
- Tatyana Feldman is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tatyana Feldman located?
- Tatyana Feldman's practice location on file with NPPES is 92 2nd St, Hackensack, NJ 07601-2191.
- What is Tatyana Feldman's phone number?
- The practice phone number listed in the NPPES registry for Tatyana Feldman is (551) 996-3033.
- Does Tatyana Feldman accept Medicare?
- Tatyana Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tatyana Feldman's NPI active?
- Yes — Tatyana Feldman's NPI (1578528089) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.