Doctor profile · Federal record

Dr. Katherine Penziner, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · New York, NY

  • NPI 1285124040
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
525 E 68Th St # 331
New York, NY 100654870
(212) 746-4071

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
March 10, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
New York #316375-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285124040. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
4
Medicare allowed
$38,139
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 166 76 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 78 40 $90
99239 Hospital discharge day management, more than 30 minutes 31 31 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $197

In context: peer comparison

Among 190 peers in this city , average services per provider: 97. This provider delivers 3.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Penziner's medical specialty?
Dr. Katherine Penziner practices Hospitalist Physician in New York, NY.
Where does Dr. Katherine Penziner practice?
Dr. Katherine Penziner practices at 525 E 68Th St # 331, New York, NY 100654870. Office phone: 2127464071.
What is Dr. Katherine Penziner's NPI?
Dr. Katherine Penziner's National Provider Identifier (NPI) is 1285124040, issued by NPPES.
Does Dr. Katherine Penziner accept Medicare assignment?
Yes. Dr. Katherine Penziner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Penziner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.