Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Maria Feinstein, NP

Individual provider Hematology & Oncology Physician · NPI 1568358497

Maria Feinstein, NP is a Nurse Practitioner in New York, New York. Qualified in 2016, 10 years ago. Practices as a sole proprietor. Licensed in New Jersey and New York.

Years since qualifying
10
Licensed in
NJ, NY
In the registry since
2025
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

550 1st Ave
New York, NY 10016-6402
Phone: (646) 754-7460
Fax: (646) 754-7461
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 26NJ15353400 (NJ)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence PENDING (NY)

Record details

NPI number1568358497
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedJune 17, 2025
Last updated in NPPESApril 21, 2026
Certification dateApril 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Not indicated

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