Marissa Foster, DO
Radiation Oncology Physician · Indianapolis, IN
Marissa Foster, DO is a radiation oncology physician with a practice address in Indianapolis, Indiana, and NPI 1518632579, issued on Aug 11, 2021. Check the license (Indiana 02007361A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Marissa Foster
- Credential
- DO
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 02007361A IN
Self-reported in NPPES; status is on the state search - Practice location
- 535 Barnhill Dr, Indianapolis, IN 46202
- Phone
- (317) 944-1315
- Enumerated
- Aug 11, 2021
- Record last updated
- Jul 1, 2023
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 135 in Indiana → Look up another NPI →
Also registered at 535 Barnhill Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Huisi AiStudent in an Organized Health Care Education/Training Program1841676582
- Karam Al-Issa, M.D.Hematology & Oncology Physician1720468259
- Fatemeh Ardeshir Larijani, MDHematology (Internal Medicine) Physician1861923500
- Peter Arnold, MDStudent in an Organized Health Care Education/Training Program1346945102
- Francis Asamoah, MDRadiation Oncology Physician1619455987
- Maya Ataya, MDStudent in an Organized Health Care Education/Training Program1639965346
Verify Marissa Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02007361ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average radiation oncology physician in 2024
28 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 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.
Marissa Foster among 135 radiation oncology physician records in Indiana
Marissa Foster, DO 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2023 · 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.
All 135 in Indiana → Every provider in Indianapolis → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Namita Agrawal, MDIndianapolis, IN 462021811376759
- Higinia Cardenes, M.D.Indianapolis, IN 462021912961657
- John Cox, M.D.Indianapolis, IN 462021174796544
- Susannah Ellsworth, MDIndianapolis, IN 462021336283951
- Jordan Holmes, MDIndianapolis, IN 462021891054151
- Omar Ishaq, M.D.Indianapolis, IN 462021528390200
- Mark Langer, M.D.Indianapolis, IN 462021528022746
- Tim Lautenschlaeger, M.D.Indianapolis, IN 462021720305238
Common questions
What is Marissa Foster, DO's NPI number?
Marissa Foster, DO's National Provider Identifier (NPI) is 1518632579, issued on Aug 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Foster, DO located?
The NPPES record lists a practice address at 535 Barnhill Dr, Indianapolis, IN, 46202. Phone: (317) 944-1315. Providers update this record themselves, so call before visiting.
How can I verify Marissa Foster, DO's license?
NPPES lists Indiana license number 02007361A, 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 Marissa Foster, DO prescribe under Medicare Part D?
In 2024, Marissa Foster, DO had 28 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.