Doctor profile · Federal record

Dr. David Portnoy

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

  • NPI 1427391234
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Gustave L Levy Pl
New York, NY 100296504
(212) 241-1653
fax (212) 289-6393

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
March 1, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
New York #284036

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427391234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
588
Distinct HCPCS
4
Medicare allowed
$79,138
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 426 128 $134
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 69 29 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 56 $196
99239 Hospital discharge day management, more than 30 minutes 35 34 $129

In context: peer comparison

Among 190 peers in New York Hospitalist Physician, average services per provider: 97. This provider delivers 6.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Portnoy's medical specialty?
Dr. David Portnoy practices Hospitalist Physician in New York, NY.
Where does Dr. David Portnoy practice?
Dr. David Portnoy practices at 1 Gustave L Levy Pl, New York, NY 100296504. Office phone: 2122411653.
What is Dr. David Portnoy's NPI?
Dr. David Portnoy's National Provider Identifier (NPI) is 1427391234, issued by NPPES.
Does Dr. David Portnoy accept Medicare assignment?
Yes. Dr. David Portnoy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Portnoy 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.