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MARISSA L BAUM
NPI 1962820829
Physician Assistant in Montgomery, OH

Active since March 28, 2014PECOS EnrolledAccepts Medicare Assignment
78.78/100
CMS Quality Rating
10500 MONTGOMERY RD, MONTGOMERY, OH 45242(513) 246-2300(513) 245-5424 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 25, 2026, Mar 7, 2024, Nov 22, 2017 (3 updates tracked since 2017).

About Marissa L Baum NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA L BAUM (NPI 1962820829) is an individual physician assistant in Montgomery, Ohio, licensed in Ohio (50.003974) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Bethesda North, and maintains a secondary practice location in West Chester.

NPPES Registry Identity

NPI1962820829
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA L BAUM
Location Address10500 MONTGOMERY RDMontgomery, OH 45242-4402
Mailing Address10500 Montgomery RdMontgomery, OH 45242-4402 · (513) 246-2300 · Fax (513) 245-5424
Phone(513) 246-2300
Fax(513) 245-5424
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 28, 2014
Last NPPES UpdateMarch 25, 20263 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
✔ NPI 1962820829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in OH · 50.003974
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
10500 MONTGOMERY RD, Montgomery, OH 45242
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Secondary Practice Location 1

Location 17690 Discovery DrWest Chester, OH 45069-6542 · Phone (513) 475-8690 · Fax (513) 475-7593

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa L Baum is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42442436
PECOS Enrollment IDI20140417001524
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of thigh bone, minimum 2 views 73552
An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.
17 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bethesda North

Acute Care Hospitals · Cincinnati, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360179
Location10500 Montgomery RoadCincinnati, OH 45242 · Hamilton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.42
Promoting Interoperability100
Improvement Activities40
Cost58.86

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DRAKE A SECCURRO MD
Hospitalist
10500 MONTGOMERY RD
MONTGOMERY, OH 45242
Hamilton County (513) 865-2246
GREGORIO MICELI DPM
Student in an Organized Health Care Education/Training Program
10500 MONTGOMERY RD
MONTGOMERY, OH 45242
Hamilton County (513) 865-1111
BENJAMIN BETHAY
Student in an Organized Health Care Education/Training Program
10500 MONTGOMERY RD
MONTGOMERY, OH 45242
Hamilton County (513) 865-1111
SMITH BEARELLY MD
Hospitalist
10500 MONTGOMERY RD
CINCINNATI, OH 45242
Hamilton County (513) 865-2246
VICTOR KOMLA DOE
Pharmacist
10500 MONTGOMERY RD
MONTGOMERY, OH 45242
Hamilton County (513) 865-1184
REGENCY HOSPITAL OF CINCINNATI, LLC
Internal Medicine
10500 MONTGOMERY RD
CINCINNATI, OH 45242
Hamilton County (717) 972-1100
SYED SHAD MAHMOOD
Internal Medicine (Critical Care Medicine)
10500 MONTGOMERY RD
MONTGOMERY, OH 45242
Hamilton County (513) 865-2246
DAVID A. FENWICK P.A.-C
Physician Assistant
10500 MONTGOMERY RD
CINCINNATI, OH 45242
Hamilton County (514) 865-1111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Baum's NPI number?

The NPI number for Marissa Baum is 1962820829. It was assigned to this individual provider in the NPPES registry on March 28, 2014.

Where is Marissa Baum located?

Marissa Baum practices at 10500 Montgomery Rd, Montgomery, OH 45242. The listed phone number is (513) 246-2300.

What is Marissa Baum's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Marissa Baum enrolled in Medicare?

Yes. Marissa Baum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marissa Baum accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual and 2 other insurers list Marissa Baum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marissa Baum affiliated with any hospitals?

According to CMS data, Marissa Baum is affiliated with Bethesda North.

When was this NPI record last updated?

The NPPES record for Marissa Baum was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.