Quick answers
- Does Marissa P. Grotzke accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa P. Grotzke accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Marissa P. Grotzke's NPI number?
- 1245425032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa P. Grotzke works
Medicare's Facility Affiliation Data lists Marissa P. Grotzke at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Prisma Health BaptistColumbia, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420086
- Prisma Health Richland HospitalColumbia, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420018
Practice locations
Addresses where Marissa P. Grotzke is enrolled with Medicare (CMS data updated October 2, 2026).
- 2 Medical Park Rd, Suite 506Columbia, SC 29203 (803) 540‑1000
Group practices
Medicare enrollment lists Marissa P. Grotzke as a member of this group (CMS data updated October 2, 2026).
- Prisma Health Medical Group-Midlands1,068 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, SC — not a recommendation.
Other clinicians in Prisma Health Medical Group-Midlands
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | University Of Colorado School Of Medicine, Denver |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245425032 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians