Doctor profile · Federal record

Dr. Gregory Climaco, MD

Family Medicine Physician (CMS: Family Practice) · O'Fallon, IL

  • NPI 1316034143
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1512 N Green Mount RD, Suite 108
O'Fallon, IL 622691953
(618) 624-5510
fax (618) 624-5529

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 20, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036116631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316034143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,465
Distinct HCPCS
10
Medicare allowed
$145,954
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 932 52 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 643 256 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 242 155 $90
G0008 Administration of influenza virus vaccine 84 83 $30
20610 Aspiration and/or injection of fluid from large joint 82 46 $75
83036 Hemoglobin a1c level 79 59 $10
90662 Influenza vaccine split virus, preservative free 76 75 $72
36415 Insertion of needle into vein for collection of blood sample 67 53 $8
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 59 49 $30
99495 Transitional care management services for problem of at least moderate complexity 59 44 $203

In context: peer comparison

Among 1 peers in O'Fallon Family Medicine Physician, average services per provider: 136. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,871
Transactions
125
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 20 $700.83
Lilly USA, LLC 18 $287.55
Abbvie INC. 17 $245.93
Novo Nordisk INC 18 $200.61
Teva Pharmaceuticals USA, INC. 2 $189.19
Pfizer INC. 22 $171.27
Boehringer Ingelheim Pharmaceuticals, INC. 5 $150.50
Amgen INC. 8 $131.27
Janssen Pharmaceuticals, INC 3 $124.91
Phathom Pharmaceuticals, INC. 1 $120.46
Axsome Therapeutics, INC. 1 $87.90
Biogen, INC. 4 $82.86
Lexicon Pharmaceuticals, INC. 1 $75.99
Tris Pharma INC 3 $53.07
Supernus Pharmaceuticals, INC. 2 $34.64

By nature of payment

Food and Beverage
$2,871

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,747
Patients
760
Total drug cost
$715,945
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 502 134 $6,429
Jardiance (Empagliflozin) Brand 282 64 $337,482
Lisinopril Generic 201 70 $1,244
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 187 45 $7,052
Levothyroxine Sodium Generic 184 41 $3,360
Amlodipine Besylate Generic 180 50 $1,811
Omeprazole Generic 179 49 $3,383
Gabapentin Generic 166 38 $4,893
Farxiga (Dapagliflozin Propanediol) Brand 148 38 $165,973
Metoprolol Succinate Generic 140 40 $2,835

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Climaco's medical specialty?
Dr. Gregory Climaco practices Family Medicine Physician in O'Fallon, IL.
Where does Dr. Gregory Climaco practice?
Dr. Gregory Climaco practices at 1512 N Green Mount RD, O'Fallon, IL 622691953. Office phone: 6186245510.
What is Dr. Gregory Climaco's NPI?
Dr. Gregory Climaco's National Provider Identifier (NPI) is 1316034143, issued by NPPES.
Does Dr. Gregory Climaco accept Medicare assignment?
Yes. Dr. Gregory Climaco accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Climaco commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.