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

Dr. Katherine Marantz Penziner, MD

Individual provider Hospitalist Physician · NPI 1285124040

Dr. Katherine Marantz Penziner, MD is a Hospitalist in New York, New York. Graduated from Emory University School of Medicine in 2018, 8 years ago. Practices with Weill Medical College of Cornell, a 2,031-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Trained at
Emory University School of Medicine
Licensed in
NY
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

525 E 68th St # 331
New York, NY 10065-4870
Phone: (212) 746-4071
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 316375-01 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 316375-01 (NY)

Record details

NPI number1285124040
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2018
Last updated in NPPESMarch 10, 2023
Certification dateMarch 10, 2023

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Weill Medical College Of Cornell — 2031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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