Doctor profile · Federal record

Dr. Thomas Gill, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · New Haven, CT

  • NPI 1912982497
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
789 Howard Ave, Dana Building - 3Rd Floor
New Haven, CT 065191304
(203) 688-4744
fax (203) 688-7232
Mailing address
Po Box 9805, 300 George St, 6Th Floor
New Haven, CT 065360805

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 3, 2008
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Connecticut #031843
Medicaid
CT #001318436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912982497. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
3
Medicare allowed
$6,634
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 38 20 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 14 13 $126
99239 Hospital discharge day management, more than 30 minutes 14 14 $121

In context: peer comparison

Among 9 peers in New Haven Geriatric Medicine (Internal Medicine) Physician, average services per provider: 48. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Gill's medical specialty?
Dr. Thomas Gill practices Geriatric Medicine (Internal Medicine) Physician in New Haven, CT.
Where does Dr. Thomas Gill practice?
Dr. Thomas Gill practices at 789 Howard Ave, New Haven, CT 065191304. Office phone: 2036884744.
What is Dr. Thomas Gill's NPI?
Dr. Thomas Gill's National Provider Identifier (NPI) is 1912982497, issued by NPPES.
Does Dr. Thomas Gill accept Medicare assignment?
Yes. Dr. Thomas Gill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Gill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.