Maria Feinstein, NP
NPI 1568358497 · Hematology & Oncology Physician · New York, NY
Maria Feinstein, NP is a Hematology & Oncology Physician provider in New York, NY (NPI 1568358497).
Provider details
- NPI number
- 1568358497
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 26NJ15353400 (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 tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-17
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Maria Feinstein's NPI number?
- Maria Feinstein's National Provider Identifier (NPI) is 1568358497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Feinstein's specialty?
- Maria Feinstein is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Feinstein located?
- Maria Feinstein's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Maria Feinstein's phone number?
- The practice phone number listed in the NPPES registry for Maria Feinstein is (646) 754-7460.
- Is Maria Feinstein's NPI active?
- Yes — Maria Feinstein's NPI (1568358497) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.