Doctor profile · Federal record

Dr. Leigh Nathan, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Hartford, CT

  • NPI 1639496623
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 Seymour St, Psychiatry Dept
Hartford, CT 061028000
(860) 972-2629

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
September 16, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Connecticut #052945 · Colorado #DR.0052575

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639496623. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,381
HCPCS Description Services Patients Avg allowed
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $86

In context: peer comparison

Among 27 peers in this city , average services per provider: 95. This provider delivers 0.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leigh Nathan's medical specialty?
Dr. Leigh Nathan practices Psychiatry Physician in Hartford, CT.
Where does Dr. Leigh Nathan practice?
Dr. Leigh Nathan practices at 80 Seymour St, Hartford, CT 061028000. Office phone: 8609722629.
What is Dr. Leigh Nathan's NPI?
Dr. Leigh Nathan's National Provider Identifier (NPI) is 1639496623, issued by NPPES.
Does Dr. Leigh Nathan accept Medicare assignment?
Yes. Dr. Leigh Nathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leigh Nathan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.