Doctor profile · Federal record

Dr. Mark Kulaga, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Adult Medicine Physician · Norwalk, CT

  • NPI 1851361117
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Stevens St
Norwalk, CT 068503852
(203) 852-2375

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
October 1, 2008
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #037684
Medicaid
CT #001376848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851361117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
208
Distinct HCPCS
5
Medicare allowed
$23,138
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 53 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 47 30 $126
99239 Hospital discharge day management, more than 30 minutes 32 31 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $183
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $132

In context: peer comparison

Among 20 peers in this city , average services per provider: 111. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Kulaga's medical specialty?
Dr. Mark Kulaga practices Internal Medicine Physician in Norwalk, CT.
Where does Dr. Mark Kulaga practice?
Dr. Mark Kulaga practices at 24 Stevens St, Norwalk, CT 068503852. Office phone: 2038522375.
What is Dr. Mark Kulaga's NPI?
Dr. Mark Kulaga's National Provider Identifier (NPI) is 1851361117, issued by NPPES.
Does Dr. Mark Kulaga accept Medicare assignment?
Yes. Dr. Mark Kulaga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Kulaga 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.