Doctor profile · Federal record

Dr. Christopher Janowiecki, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Hospitalist Physician · Hospitalist Physician · Internal Medicine Physician · Internal Medicine Physician · Stamford, CT

  • NPI 1548457229
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Hospital Plz
Stamford, CT 069023602
(203) 276-7298
fax (203) 276-4842

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
April 17, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Connecticut #66744 · Kentucky #43622 · Tennessee #47115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548457229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
412
Distinct HCPCS
5
Medicare allowed
$50,019
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 197 63 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 144 143 $180
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 18 $124
99238 Hospital discharge day management, 30 minutes or less 26 26 $84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 16 $135

In context: peer comparison

Among 38 peers in this city , average services per provider: 99. This provider delivers 4.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Janowiecki's medical specialty?
Dr. Christopher Janowiecki practices Internal Medicine Physician in Stamford, CT.
Where does Dr. Christopher Janowiecki practice?
Dr. Christopher Janowiecki practices at 1 Hospital Plz, Stamford, CT 069023602. Office phone: 2032767298.
What is Dr. Christopher Janowiecki's NPI?
Dr. Christopher Janowiecki's National Provider Identifier (NPI) is 1548457229, issued by NPPES.
Does Dr. Christopher Janowiecki accept Medicare assignment?
Yes. Dr. Christopher Janowiecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Janowiecki commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.