Quick answers
- Does Sydnie M. Gamroth accept Medicare assignment?
- Yes. Medicare's clinician data says Sydnie M. Gamroth 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.
- How many Medicare patients does Sydnie M. Gamroth see?
- In 2024, CMS data shows 29 Original Medicare patients and 799 services for Sydnie M. Gamroth. This counts Original Medicare only and measures volume, not quality.
- What is Sydnie M. Gamroth's NPI number?
- 1992460539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sydnie M. Gamroth, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 29 |
|---|---|
| Services billed to Medicare | 799 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 59 |
Most frequent services
- Assessment of emotional or behavioral problems (96127)63 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Anxiety75%
- High blood pressure66%
- Depression62%
- High cholesterol45%
- Arthritis41%
Practice locations
Addresses where Sydnie M. Gamroth is enrolled with Medicare (CMS data updated October 2, 2026).
- 3200 Canyon Lake DrRapid City, SD 57702
Group practices
Medicare enrollment lists Sydnie M. Gamroth as a member of this group (CMS data updated October 2, 2026).
- Great Plains Tribal Chairmen's Health Board67 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rapid City
Clinicians with the same Medicare primary specialty in Rapid City, SD — not a recommendation.
Other clinicians in Great Plains Tribal Chairmen's Health Board
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992460539 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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