Doctor profile · Federal record

Dr. Daniel Garrison, MD

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

  • NPI 1215913652
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4025 N Western Ave
Chicago, IL 606183726
(773) 275-7700
fax (773) 279-6504
Mailing address
29373 Network Pl
Chicago, IL 606735114

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 27, 2022
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036121658
Medicaid
IL #036121658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215913652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
697
Distinct HCPCS
5
Medicare allowed
$85,408
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 333 125 $122
99239 Hospital discharge day management, more than 30 minutes 122 116 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 120 118 $179
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 110 55 $80
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 12 11 $12

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$8,165
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $153
Eliquis (Apixaban) Brand 12 0 $7,892
Atorvastatin Calcium Generic 11 0 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Garrison's medical specialty?
Dr. Daniel Garrison practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Daniel Garrison practice?
Dr. Daniel Garrison practices at 4025 N Western Ave, Chicago, IL 606183726. Office phone: 7732757700.
What is Dr. Daniel Garrison's NPI?
Dr. Daniel Garrison's National Provider Identifier (NPI) is 1215913652, issued by NPPES.
Does Dr. Daniel Garrison accept Medicare assignment?
Yes. Dr. Daniel Garrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Garrison commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.