Doctor profile · Federal record

Dr. Igor Tkachyk, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Milwaukee, WI

  • NPI 1063822005
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2900 W Oklahoma Ave
Milwaukee, WI 532154330
(414) 649-6000
fax (414) 649-5296
Additional location
585 Schenectady Ave
Brooklyn, NY 112031851
(718) 604-5401
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
October 17, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Wisconsin #62877 · Wisconsin #62877-20
Medicaid
WI #100041601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063822005. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
509
Distinct HCPCS
4
Medicare allowed
$49,473
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 222 94 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 175 109 $108
99239 Hospital discharge day management, more than 30 minutes 70 69 $106
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 42 41 $159

In context: peer comparison

Among 82 peers in Milwaukee Hospitalist Physician, average services per provider: 91. This provider delivers 5.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Igor Tkachyk's medical specialty?
Dr. Igor Tkachyk practices Hospitalist Physician in Milwaukee, WI.
Where does Dr. Igor Tkachyk practice?
Dr. Igor Tkachyk practices at 2900 W Oklahoma Ave, Milwaukee, WI 532154330. Office phone: 4146496000.
What is Dr. Igor Tkachyk's NPI?
Dr. Igor Tkachyk's National Provider Identifier (NPI) is 1063822005, issued by NPPES.
Does Dr. Igor Tkachyk accept Medicare assignment?
Yes. Dr. Igor Tkachyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Igor Tkachyk 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.