MASON MERCK
NPI 1306699889
Student in an Organized Health Care Education/Training Program in Rapid City, SD
About Mason Merck NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MASON MERCK (NPI 1306699889) is an individual student in an organized health care education/training program in Rapid City, South Dakota and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS, is affiliated with Monument Health Spearfish Hospital, and maintains a secondary practice location in Bismarck.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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)
Mason Merck is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Monument Health Spearfish Hospital
Acute Care Hospitals · Spearfish, SDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RAPID CITY, SD 57701
RAPID CITY, SD 57701
RAPID CITY, SD 57701
RAPID CITY, SD 57701
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 Mason Merck's NPI number?
The NPI number for Mason Merck is 1306699889. It was assigned to this individual provider in the NPPES registry on April 8, 2024.
Where is Mason Merck located?
Mason Merck practices at 502 E Monroe St, Rapid City, SD 57701. The listed phone number is (605) 755-4060.
What is Mason Merck's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Mason Merck enrolled in Medicare?
Yes. Mason Merck is registered in the Medicare PECOS enrollment system.
What insurance does Mason Merck accept?
Health plans from Sanford Health Plan and Security Health Plan list Mason Merck 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 Mason Merck affiliated with any hospitals?
According to CMS data, Mason Merck is affiliated with Monument Health Spearfish Hospital.
When was this NPI record last updated?
The NPPES record for Mason Merck was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mason Merck · NPI 1306699889
Student in an Organized Health Care Education/Training Program provider in Rapid City, South Dakota. Individual provider, active in the CMS NPPES registry since April 8, 2024.
## Identity
- **NPI:** 1306699889 (Entity type: Individual)
- **Enumerated:** April 8, 2024
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 502 E MONROE ST, Rapid City, SD 57701-1400
- **Phone:** (605) 755-4060 · **Fax:** (605) 755-4012
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306699889) · Data from the CMS NPPES public registry.