Olivia Thiel, MD
NPI 1891228292 · Family Medicine Physician · Onalaska, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Thiel, MD is a Family Medicine Physician provider in Onalaska, WI (NPI 1891228292).
Provider details
- NPI number
- 1891228292
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 536 | 135 |
| Levothyroxine Sodium | 507 | 121 |
| Lisinopril | 312 | 80 |
| Metformin Hcl | 283 | 71 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 266 | 43 |
| Metoprolol Tartrate | 262 | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-04
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is Olivia Thiel's NPI number?
- Olivia Thiel's National Provider Identifier (NPI) is 1891228292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Thiel's specialty?
- Olivia Thiel is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Olivia Thiel located?
- Olivia Thiel's practice location on file with NPPES is 191 Theater Rd, Onalaska, WI 54650-8679.
- What is Olivia Thiel's phone number?
- The practice phone number listed in the NPPES registry for Olivia Thiel is (608) 785-0940.
- Does Olivia Thiel accept Medicare?
- Olivia Thiel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Thiel's NPI active?
- Yes — Olivia Thiel's NPI (1891228292) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.