NPPES file of Aug 9, 2026

Richard C. Zellars, MD

Radiation Oncology Physician · Indianapolis, IN

Richard C. Zellars, MD is a radiation oncology physician with a practice address in Indianapolis, Indiana, and NPI 1467488767, issued on Jun 25, 2006. Check the license (Indiana 01075189A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467488767
Name
Richard C. Zellars
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
01075189A IN
D55742 MD
Self-reported in NPPES; status is on the state search
Practice location
550 University Blvd, Indianapolis, IN 46202
Phone
(317) 944-2524
Enumerated
Jun 25, 2006
Record last updated
Mar 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicaid IDs
201286330 IN
845001300 MD
Medicare enrollment
Enrolled (PECOS I20150430001647); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 550 University Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Furqan Ahmed, M.D.Gastroenterology Physician1538100300
  2. Jessica Ahonen, NPFamily Nurse Practitioner1659956951
  3. Omer Al-Buoshkor, MDInternal Medicine Physician1144586934
  4. Mohammad Al-Haddad, MDGastroenterology Physician1275516239
  5. Shelby Allen, M.D.Surgery Physician1013397405
  6. Michael Allison, DDSDentist1124961982

Verify Richard C. Zellars in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01075189A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $59.65

2 payments; by number, the most common kind was food and beverage; the largest payer was Adaptive Biotechnologies Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Richard Zellars$59.65
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. IU Health Medical Group LLCIndianapolis, IN
  2. University Radiation Oncology Associates, Inc.Indianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Richard C. Zellars among 135 radiation oncology physician records in Indiana

Richard C. Zellars, MD is one of 135 radiation oncology physician records with a practice address in Indiana. 79% 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 26% of them.

  • NPI issued2006 · 26% of these records are older, 46% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1991 · median 2002 among the 103 with a school on file
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Indiana

There are 135 radiation oncology physician records in Indiana.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Namita Agrawal, MDIndianapolis, IN 462021811376759
  2. Higinia Cardenes, M.D.Indianapolis, IN 462021912961657
  3. John Cox, M.D.Indianapolis, IN 462021174796544
  4. Susannah Ellsworth, MDIndianapolis, IN 462021336283951
  5. Jordan Holmes, MDIndianapolis, IN 462021891054151
  6. Omar Ishaq, M.D.Indianapolis, IN 462021528390200
  7. Mark Langer, M.D.Indianapolis, IN 462021528022746
  8. Tim Lautenschlaeger, M.D.Indianapolis, IN 462021720305238

Common questions

What is Richard C. Zellars, MD's NPI number?

Richard C. Zellars, MD's National Provider Identifier (NPI) is 1467488767, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard C. Zellars, MD located?

The NPPES record lists a practice address at 550 University Blvd, Indianapolis, IN, 46202. Phone: (317) 944-2524. Providers update this record themselves, so call before visiting.

How can I verify Richard C. Zellars, MD's license?

NPPES lists Indiana license number 01075189A, 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.

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.