Doctor profile · Federal record

Dr. Gregory Anderson, DO

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

  • NPI 1255771358
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5145 N California Ave Ste M276
Chicago, IL 606253661
(773) 878-8200
fax (773) 989-1734
Mailing address
2740 W Foster Avenue, Swedish Covenant Medical Group
Chicago, IL 60625

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
October 30, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036.143664

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255771358. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
695
Distinct HCPCS
5
Medicare allowed
$80,314
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 339 117 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 133 52 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 116 106 $185
99239 Hospital discharge day management, more than 30 minutes 71 58 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 36 35 $139

In context: peer comparison

Among 154 peers in Chicago Hospitalist Physician, average services per provider: 128. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$379
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 9 $235.02
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $68.16
Pfizer INC. 2 $51.39
Abbott Laboratories 1 $24.78

By nature of payment

Food and Beverage
$379

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$145
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 11 0 $145

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Anderson's medical specialty?
Dr. Gregory Anderson practices Hospitalist Physician in Chicago, IL.
Where does Dr. Gregory Anderson practice?
Dr. Gregory Anderson practices at 5145 N California Ave Ste M276, Chicago, IL 606253661. Office phone: 7738788200.
What is Dr. Gregory Anderson's NPI?
Dr. Gregory Anderson's National Provider Identifier (NPI) is 1255771358, issued by NPPES.
Does Dr. Gregory Anderson accept Medicare assignment?
Yes. Dr. Gregory Anderson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Anderson 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.