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

Hallie Knopf, MD

Individual provider Psychiatry Physician · NPI 1003313198

Hallie Knopf, MD practises Psychiatry in New York, New York. Graduated from Columbia University College of Physicians and Surgeons in 2018, 8 years ago. Practices with St Joseph's Hospital Yonkers, a 61-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NY
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

109 W 27th St Ste 5S
New York, NY 10001-6208
Phone: (917) 634-5311
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 306519 (NY)

Record details

NPI number1003313198
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2018
Last updated in NPPESJune 6, 2023
Certification dateJune 6, 2023

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2018 (8 years in practice)
Group practice St Joseph'S Hospital Yonkers — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at St Joseph's Hospital Yonkers

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 61 clinicians in the practice; 12 are shown here.

Other providers in New York