Doctor profile · Federal record

Dr. Gregory Mazanek, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Indianapolis, IN

  • NPI 1710955166
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10590 N Meridian St
Indianapolis, IN 462901028
(317) 338-6666
fax (317) 338-6066

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Indiana #01060905A
Medicaid
IN #200526150

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710955166. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
951
Distinct HCPCS
8
Medicare allowed
$57,340
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 261 208 $84
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 226 199 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 201 158 $118
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 193 182 $13
99215 Established patient office or other outpatient visit, 40-54 minutes 21 19 $170
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 20 18 $32
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 17 17 $66
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $157

In context: peer comparison

Among 50 peers in this city , average services per provider: 140. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $23.68
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $20.70

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,139
Patients
629
Total drug cost
$479,947
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 337 100 $6,889
Atorvastatin Calcium Generic 271 76 $3,851
Eliquis (Apixaban) Brand 267 63 $354,934
Amlodipine Besylate Generic 225 74 $1,740
Rosuvastatin Calcium Generic 158 55 $3,542
Clopidogrel (Clopidogrel Bisulfate) Brand 152 50 $3,280
Metoprolol Tartrate Generic 152 47 $1,408
Furosemide Generic 104 33 $520
Lisinopril Generic 97 27 $960
Carvedilol Generic 89 25 $1,065

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Mazanek's medical specialty?
Dr. Gregory Mazanek practices Cardiovascular Disease Physician in Indianapolis, IN.
Where does Dr. Gregory Mazanek practice?
Dr. Gregory Mazanek practices at 10590 N Meridian St, Indianapolis, IN 462901028. Office phone: 3173386666.
What is Dr. Gregory Mazanek's NPI?
Dr. Gregory Mazanek's National Provider Identifier (NPI) is 1710955166, issued by NPPES.
Does Dr. Gregory Mazanek accept Medicare assignment?
Yes. Dr. Gregory Mazanek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mazanek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.