Gregory J. Mazanek, MD
Cardiovascular Disease Physician · Indianapolis, IN
Gregory J. Mazanek, MD is a cardiovascular disease physician with a practice address in Indianapolis, Indiana, and NPI 1710955166, issued on Mar 10, 2006. Check the license (Indiana 01060905A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Mazanek
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 01060905A IN
Self-reported in NPPES; status is on the state search - Practice location
- 10590 N Meridian St, Indianapolis, IN 46290
- Phone
- (317) 338-6666
- Enumerated
- Mar 10, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (317) 338-6066
- Medicaid ID
- 200526150 IN
- Medicare enrollment
- Enrolled (PECOS I20050811001086); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1983
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 451 in Indiana → Look up another NPI →
Also registered at 10590 N Meridian St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Adlam, MDCardiovascular Disease Physician1083688451
- Michael Ball, MDInterventional Cardiology Physician1396719761
- Brian Bigelow, MDInterventional Cardiology Physician1689647216
- Martin Bohm, DOInternal Medicine Physician1699878959
- Duncan Brindley, MDCardiovascular Disease Physician1154395630
- Bradley Clark, D.O.Clinical Cardiac Electrophysiology Physician1447510722
Verify Gregory J. Mazanek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01060905ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,935 Medicare Part D claims for 399 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate312 claims
- Eliquis255 claims
- Amlodipine Besylate242 claims
- Atorvastatin Calcium232 claims
- Rosuvastatin Calcium190 claims
- Clopidogrel148 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $44.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Vincent Medical Group IncCarmel, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Mazanek among 451 cardiovascular disease physician records in Indiana
Gregory J. Mazanek, MD is one of 451 cardiovascular disease physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 34% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1983 · median 1996 among the 335 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Indiana
There are 451 cardiovascular disease physician records in Indiana.
All 451 in Indiana → Every provider in Indianapolis → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- James Adlam, MDIndianapolis, IN 462901083688451
- Duncan Brindley, MDIndianapolis, IN 462901154395630
- Saumyadip Dasgupta, MDCarmel, IN 462901346215696
- Frank Green, MDIndianapolis, IN 462901275509945
- J Hillis, MDIndianapolis, IN 462901427024082
- Prakash Joshi, MDIndianapolis, IN 462901669440830
- Michael Kourany, MDIndianapolis, IN 462901407824816
- Ronald Razmi, MDIndianapolis, IN 462901710948484
Common questions
What is Gregory J. Mazanek, MD's NPI number?
Gregory J. Mazanek, MD's National Provider Identifier (NPI) is 1710955166, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Mazanek, MD located?
The NPPES record lists a practice address at 10590 N Meridian St, Indianapolis, IN, 46290. Phone: (317) 338-6666. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Mazanek, MD's license?
NPPES lists Indiana license number 01060905A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory J. Mazanek, MD prescribe under Medicare Part D?
In 2024, Gregory J. Mazanek, MD had 2,935 Medicare Part D claims for 399 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.