Are you Mary A. Marrs, CNP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 7220 S Highway 16, Rapid City, SD 57702
About Mary Marrs
Mary A. Marrs, CNP is a clinical nurse specialist based in Rapid City, SD. Mary is also listed as specializing in nurse practitioner — family. According to Medicare claims data, the services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1144201708.
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
- (605) 341-1414
- Email not available
Practice Locations
7220 S HIGHWAY 16
Rapid City, SD 57702
Procedures Most Often Billed to Medicare
31 services · 18 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
31 | As often as other peers in Clinical Nurse Specialist |
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.
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 does Mary A. Marrs specialize in?
Mary A. Marrs is a clinical nurse specialist in Rapid City, SD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary A. Marrs located?
Mary A. Marrs is listed at 7220 S Highway 16, Rapid City, SD 57702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary A. Marrs's phone number?
The number on file is (605) 341-1414. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary A. Marrs's NPI number?
Mary A. Marrs's National Provider Identifier is 1144201708. 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 Mary A. Marrs been practicing?
Mary A. Marrs has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Mary A. Marrs do most often?
According to Medicare billing data, Mary A. Marrs 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 Mary A. Marrs confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary A. Marrs. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.