Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Marissa L Baum

Individual provider Physician Assistant · NPI 1962820829

Marissa L Baum is a Physician Assistant in Montgomery, Ohio. Qualified in 2013, 13 years ago. Practices with Trihealth H LLC, a 848-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
13
Licensed in
OH
In the registry since
2014
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Practice location Address checks out

10500 Montgomery Rd
Montgomery, OH 45242-4402
Phone: (513) 246-2300
Fax: (513) 245-5424
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7690 Discovery Dr, West Chester, OH 45069-6542 — (513) 475-8690

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 50.003974 (OH)

Record details

NPI number1962820829
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 28, 2014
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Trihealth H Llc — 848 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients95
Services billed 367 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $103 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Bethesda North Hospital · Cincinnati, OH · listed as Bethesda North Hospital

Colleagues at Trihealth H LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 848 clinicians in the practice; 12 are shown here.

Other providers in Montgomery