Mark R. Gardner, M.D.
Occupational Medicine Physician · East Chicago, IN
Mark R. Gardner, M.D. is an occupational medicine physician with a practice address in East Chicago, Indiana, and NPI 1114055787, issued on Mar 2, 2007. Check the license (Indiana 01059461A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mark R. Gardner
- Credential
- M.D.
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License numbers
- 01059461A IN
036068695 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4321 Fir St Ste 313, East Chicago, IN 46312
- Phone
- (219) 392-7424
- Enumerated
- Mar 2, 2007
- Record last updated
- Oct 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (219) 392-7450
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 54 in Indiana → Look up another NPI →
Verify Mark R. Gardner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01059461ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average occupational medicine physician in 2024
16 Medicare Part D claims, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
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.
Mark R. Gardner among 54 occupational medicine physician records in Indiana
Mark R. Gardner, M.D. is one of 54 occupational medicine physician records with a practice address in Indiana. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 19% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2017 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in Indiana
There are 54 occupational medicine physician records in Indiana.
All 54 in Indiana → Every provider in East Chicago → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Raza Akbar, M.D.Munster, IN 463211669689386
- Richard Rodarte, M.D.Munster, IN 463211467496547
- Craig Tokowitz, D.O.Munster, IN 463211598989113
- Usha Vyas-Major, M.D.Hobart, IN 463421558418376
- Thomas Perrin, MDIndianapolis, IN 462781619098068
- Susan Hill, DOIndianapolis, IN 462681629144936
- Jeffrey Bowman, M.D., M.S.Indianapolis, IN 462601487703716
- Sajiv Alex, MDIndianapolis, IN 462561235205436
Common questions
What is Mark R. Gardner, M.D.'s NPI number?
Mark R. Gardner, M.D.'s National Provider Identifier (NPI) is 1114055787, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Gardner, M.D. located?
The NPPES record lists a practice address at 4321 Fir St Ste 313, East Chicago, IN, 46312. Phone: (219) 392-7424. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Gardner, M.D.'s license?
NPPES lists Indiana license number 01059461A, 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 Mark R. Gardner, M.D. prescribe under Medicare Part D?
In 2024, Mark R. Gardner, M.D. had 16 Medicare Part D claims; the average among occupational medicine physician prescribers was 794. 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.