Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARISSA ANN ROST PA-C
NPI 1235761826
Physician Assistant in Jefferson City, MO

Q: What is Marissa Rost's NPI number?

The NPI number for Marissa Rost is 1235761826. It was assigned to this individual provider in the NPPES registry on February 11, 2020.

Q: What is Marissa Rost's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marissa Rost was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.

Active since February 11, 2020PECOS Enrolled

1125 MADISON ST, JEFFERSON CITY, MO 65101(573) 632-5437(573) 632-5977 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 17, 2026, Aug 11, 2026, Oct 7, 2025 and 3 more (6 updates tracked since 2020).

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About Marissa Ann Rost Pa-c NPPES

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

MARISSA ANN ROST PA-C (NPI 1235761826) is an individual physician assistant in Jefferson City, Missouri, licensed in Missouri (2020001246) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1235761826

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMARISSA ANN ROSTCredential: PA-C

Location Address1125 MADISON STJefferson City, MO 65101-5227

Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0943

Phone(573) 632-5437

Fax(573) 632-5977

Sole ProprietorNo

Enumeration DateFebruary 11, 2020

Last NPPES UpdateAugust 17, 20266 updates tracked since enumeration

NPPES CertifiedAugust 17, 2026

✔ NPI 1235761826 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 MO · 2020001246

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.

1125 MADISON ST, Jefferson City, MO 65101

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Secondary Practice Locations 5

Location 11 Hospital DrColumbia, MO 65212-0001 · Phone (573) 882-8091 · Fax (573) 884-1902

Location 2516 Jackson RdBoonville, MO 65233-2845 · Phone (660) 882-3585 · Fax (573) 882-4096

Location 33916 S Providence Rd Ste 101Columbia, MO 65203-7152 · Phone (573) 882-1662 · Fax (573) 882-4096

Location 43626 S Clark StMexico, MO 65265-4104 · Phone (573) 581-1812 · Fax (573) 581-1471

Location 51306 W Main StJefferson City, MO 65109-1356 · Phone (702) 899-0595 · Fax (702) 977-1496

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marissa Ann Rost Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 8

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

206 services193 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

148 services45 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

75 services72 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

66 services60 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

63 services59 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

55 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65101 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

$81.64 typical visit price

range $52.28 – $161.24

Typical copayment $20.41 (range $13.07 – $40.31)

Most-billed visit code 99203

Established Patient

$65.71 typical visit price

range $16.30 – $131.05

Typical copayment $16.42 (range $4.07 – $32.76)

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.

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.

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