Doctor profile · Federal record

Dr. Jennifer McMahon

Psychiatry Physician (CMS: Psychiatry) · Student in an Organized Health Care Education/Training Program · New Haven, CT

  • NPI 1184087892
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(230) 785-2618

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
July 2, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Connecticut #67512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184087892. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
115
Distinct HCPCS
4
Medicare allowed
$9,640
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 25 $84
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 34 34 $88
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 25 $52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 13 $137

In context: peer comparison

Among 30 peers in New Haven Psychiatry Physician, average services per provider: 58. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer McMahon's medical specialty?
Dr. Jennifer McMahon practices Psychiatry Physician in New Haven, CT.
Where does Dr. Jennifer McMahon practice?
Dr. Jennifer McMahon practices at 20 York St, New Haven, CT 065103220. Office phone: 2307852618.
What is Dr. Jennifer McMahon's NPI?
Dr. Jennifer McMahon's National Provider Identifier (NPI) is 1184087892, issued by NPPES.
Does Dr. Jennifer McMahon accept Medicare assignment?
Yes. Dr. Jennifer McMahon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer McMahon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.