Tonya Buchholz, CNP
NPI 1538311352 · Nurse Practitioner · Madison, SD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonya Buchholz, CNP is a Nurse Practitioner provider in Madison, SD (NPI 1538311352).
Provider details
- NPI number
- 1538311352
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- CP000546 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 108 |
| Gabapentin | 48 |
| Methenamine Hippurate | 28 |
| Warfarin Sodium | 27 |
| Escitalopram Oxalate | 21 |
| Potassium Chloride | 20 |
| Furosemide | 17 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 16 |
| Quetiapine Fumarate | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-13
- Last updated
- 2019-01-10
Frequently asked questions
- What is Tonya Buchholz's NPI number?
- Tonya Buchholz's National Provider Identifier (NPI) is 1538311352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonya Buchholz's specialty?
- Tonya Buchholz is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tonya Buchholz located?
- Tonya Buchholz's practice location on file with NPPES is 323 Sw 10th Street, Madison, SD 57042-3200.
- What is Tonya Buchholz's phone number?
- The practice phone number listed in the NPPES registry for Tonya Buchholz is (605) 256-6551.
- Does Tonya Buchholz accept Medicare?
- Tonya Buchholz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonya Buchholz's NPI active?
- Yes — Tonya Buchholz's NPI (1538311352) is active in the NPPES registry as of the last update on 2019-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.