Dr. Marissa Foster, DO
- Part D claims, 2024
- 28
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 5215 Holy Cross Pkwy, Mishawaka, IN 46545
- Practice phone
- Call (574) 335-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Foster's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marissa Foster is a radiation oncologist in Mishawaka, Indiana
Dr. Foster practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health.
Dr. Foster's NPI, 1518632579, was assigned on August 11, 2021. Dr. Foster holds Indiana license 02007361A.
- NPI
- 1518632579NPI Registry (opens in a new tab)
- NPI enumeration date
- August 11, 2021
- NPI status
- Active
- Practice phone
- (574) 335-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marissa Foster practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana
Dr. Foster's primary practice is Saint Joseph Mishawaka Medical Center, at 5215 Holy Cross Pkwy, Mishawaka, IN 46545 in St. Joseph County. The practice phone is (574) 335-5000.
- Saint Joseph Mishawaka Medical Center5215 Holy Cross Pkwy, Mishawaka, IN 46545 · St. Joseph CountyPhone(574) 335-5000
Source: Dmand AI Affiliation Data
Dr. Marissa Foster is affiliated with 2 sites of care
Dr. Foster's primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. Dmand AI also links Dr. Foster to 1 therapy and rehab clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marissa Foster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Foster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Joseph Mishawaka Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marissa Foster is one of 121 radiation oncologists in Indiana
Radiation oncology is Dr. Foster's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Foster is licensed in Indiana.
Specialties and state licenses
- Radiation oncology, IndianaPrimary
Radiation oncologists near Dr. Foster
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marissa Foster's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Foster's median patient age at 79, with 100% women.
Dr. Foster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Marissa Foster wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Foster wrote 28 Medicare Part D claims for 19 patients. 93% of them were for generic drugs.
Dr. Foster's Part D claims by kind of drug, 2024
- Generic26 claims93%
- Brand-name and other2 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Marissa Foster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marissa Foster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marissa Foster's NPI number?
Dr. Marissa Foster's NPI number is 1518632579. It was assigned on August 11, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Marissa Foster?
Dr. Marissa Foster is a radiation oncologist in Mishawaka, Indiana. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Marissa Foster practice?
Dr. Foster practices at 5215 Holy Cross Pkwy, Mishawaka, IN 46545. Dr. Foster's primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. Dmand AI also links Dr. Foster to 1 therapy and rehab clinic.
What is Dr. Marissa Foster's office phone number?
The practice phone on file for Dr. Foster is (574) 335-5000.
What is Dr. Marissa Foster's medical license number?
Dr. Foster holds Indiana license 02007361A.
Which hospitals is Dr. Marissa Foster affiliated with?
Dr. Foster practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana.
How long has Dr. Marissa Foster been practicing?
Dr. Foster's NPI was assigned in 2021.
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