Doctor profile · Federal record

Dr. John Davis, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Pulmonary Disease Physician · New Haven, CT

  • NPI 1124124144
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
789 Howard Ave
New Haven, CT 065191304
(203) 785-4198
Mailing address
60 College St
New Haven, CT 065103201

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 30, 2015
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Connecticut #53935 · California #A86123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124124144. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
1
Medicare allowed
$11,908
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 53 27 $225

In context: peer comparison

Among 7 peers in New Haven Critical Care Medicine (Internal Medicine) Physician, average services per provider: 52. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Davis's medical specialty?
Dr. John Davis practices Critical Care Medicine (Internal Medicine) Physician in New Haven, CT.
Where does Dr. John Davis practice?
Dr. John Davis practices at 789 Howard Ave, New Haven, CT 065191304. Office phone: 2037854198.
What is Dr. John Davis's NPI?
Dr. John Davis's National Provider Identifier (NPI) is 1124124144, issued by NPPES.
Does Dr. John Davis accept Medicare assignment?
Yes. Dr. John Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Davis commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.