Doctor profile · Federal record

Dr. Tad Nair, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Chicago, IL

  • NPI 1225352727
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 N Winfield RD, Ste 400
Chicago, IL 60190
(630) 469-9200
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
June 7, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036132576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225352727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
949
Distinct HCPCS
5
Medicare allowed
$121,368
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 467 181 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 171 165 $179
99239 Hospital discharge day management, more than 30 minutes 159 153 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 112 75 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 40 $135

In context: peer comparison

Among 154 peers in this city , average services per provider: 128. This provider delivers 7.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tad Nair's medical specialty?
Dr. Tad Nair practices Hospitalist Physician in Chicago, IL.
Where does Dr. Tad Nair practice?
Dr. Tad Nair practices at 25 N Winfield RD, Chicago, IL 60190. Office phone: 6304699200.
What is Dr. Tad Nair's NPI?
Dr. Tad Nair's National Provider Identifier (NPI) is 1225352727, issued by NPPES.
Does Dr. Tad Nair accept Medicare assignment?
Yes. Dr. Tad Nair accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tad Nair commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.