Marissa Elana Baron Mahan, MD
Obstetrics & Gynecology Physician · Grand Rapids, MN
Marissa Elana Baron Mahan, MD is an obstetrics & gynecology physician with a practice address in Grand Rapids, Minnesota, and NPI 1740860378, issued on Apr 8, 2021. Check the license (Minnesota 78816, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Marissa Elana Baron Mahan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 78816 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Golf Course RD, Grand Rapids, MN 55744
- Phone
- (218) 326-3401
- Enumerated
- Apr 8, 2021
- Record last updated
- May 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20250711003910); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 878 in Minnesota → Look up another NPI →
Also registered at 1601 Golf Course RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suzanne Aldrich, NP-CAdult Health Nurse Practitioner1265872261
- Edwin Anderson, MDFamily Medicine Physician1083691828
- Derek Beyer, MDObstetrics & Gynecology Physician1265492912
- Marit Bjordal, PHARMDPharmacist1629303417
- Andrew BlairCertified Registered Nurse Anesthetist1205559754
- Katrina Boden, CNPNurse Practitioner1336020882
Verify Marissa Elana Baron Mahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 78816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
64 Medicare Part D claims for 34 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen20 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.
One hospital affiliation
- Grand Itasca Clinic And HospitalGrand Rapids, MN · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marissa Elana Baron Mahan among 878 obstetrics & gynecology physician records in Minnesota
Marissa Elana Baron Mahan, MD is one of 878 obstetrics & gynecology physician records with a practice address in Minnesota. 73% 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 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2007 among the 569 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Minnesota
There are 878 obstetrics & gynecology physician records in Minnesota.
All 878 in Minnesota → Every provider in Grand Rapids → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Derek Beyer, MDGrand Rapids, MN 557441265492912
- Angela Degrio, M.D.Grand Rapids, MN 557441922457969
- Kevin Gildner, M.D.Grand Rapids, MN 557441922086958
- Kathryn JohnsonGrand Rapids, MN 557441134562309
- Elizabeth Jones, M.D.Hibbing, MN 557461821052838
- Mmiliaku NwoyeHibbing, MN 557461093980500
- Jeri Mills, M.D.Cook, MN 557231235189200
- Skott Nielsen, MDCloquet, MN 557201902827660
Common questions
What is Marissa Elana Baron Mahan, MD's NPI number?
Marissa Elana Baron Mahan, MD's National Provider Identifier (NPI) is 1740860378, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Elana Baron Mahan, MD located?
The NPPES record lists a practice address at 1601 Golf Course RD, Grand Rapids, MN, 55744. Phone: (218) 326-3401. Providers update this record themselves, so call before visiting.
How can I verify Marissa Elana Baron Mahan, MD's license?
NPPES lists Minnesota license number 78816, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marissa Elana Baron Mahan, MD prescribe under Medicare Part D?
In 2024, Marissa Elana Baron Mahan, MD had 64 Medicare Part D claims for 34 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.