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Edit this profileWhere to find Marissa A. Rost, PA-C
- Jefferson City location main office
1125 Madison St, Jefferson City, MO 65101 - Columbia location
1 Hospital Dr, Columbia, MO 65212 - Jefferson City location
1306 W Main St, Jefferson City, MO 65109 - Boonville location
516 Jackson Rd, Boonville, MO 65233 - Columbia location
3916 S Providence Rd Ste 101, Columbia, MO 65203
About Marissa Rost
Listed in the NPI registry as a physician assistant, Marissa A. Rost, PA-C practices in Jefferson City, MO. According to Medicare claims data, Marissa cared for 472 Medicare patients across 654 services. The services billed most often include emergency department visit with moderate level of medical decision making, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and emergency department visit with high level of medical decision making. NPI 1235761826 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (573) 632-5437
- Email not available
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Practice Locations
1125 MADISON ST
Jefferson City, MO 65101
1 Hospital Dr
Columbia, MO 65212
1306 W Main St
Jefferson City, MO 65109
516 Jackson Rd
Boonville, MO 65233
3916 S Providence Rd Ste 101
Columbia, MO 65203
3626 S Clark St
Mexico, MO 65265
Procedures Most Often Billed to Medicare
654 services · 472 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
206 | More than most peers in Physician Assistant |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
148 | As often as other peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
75 | More often than most peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
66 | More than most peers in Physician Assistant |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
63 | As often as other peers in Physician Assistant |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
55 | Less often than most peers in Physician Assistant |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
29 | Less often than most peers in Physician Assistant |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99304 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Marissa A. Rost?
Marissa A. Rost is a physician assistant in Jefferson City, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa A. Rost's address?
Marissa A. Rost is listed at 1125 Madison St, Jefferson City, MO 65101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa A. Rost?
The number on file is (573) 632-5437. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marissa A. Rost's NPI number?
Marissa A. Rost's National Provider Identifier is 1235761826. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Marissa A. Rost been practicing?
Marissa A. Rost has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Marissa A. Rost perform?
According to Medicare billing data, Marissa A. Rost the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marissa A. Rost confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa A. Rost. If this is you, claiming it is free.
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