Thea Petersen, MD
NPI 1083887087 · Family Medicine Physician · Cottage Grove, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thea Petersen, MD is a Family Medicine Physician provider in Cottage Grove, OR (NPI 1083887087).
Provider details
- NPI number
- 1083887087
- 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
18 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 562 | 166 |
| Losartan Potassium | 423 | 120 |
| Levothyroxine Sodium | 363 | 86 |
| Lisinopril | 310 | 88 |
| Amlodipine Besylate | 300 | 85 |
| Omeprazole | 260 | 76 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 123 S 27th StBillings, MT 59101-4200Phone: (406) 247-3269
Registry dates
- Enumerated
- 2008-04-10
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Thea Petersen's NPI number?
- Thea Petersen's National Provider Identifier (NPI) is 1083887087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thea Petersen's specialty?
- Thea Petersen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thea Petersen located?
- Thea Petersen's practice location on file with NPPES is 1515 Village Dr Ste 220, Cottage Grove, OR 97424-9700.
- What is Thea Petersen's phone number?
- The practice phone number listed in the NPPES registry for Thea Petersen is (541) 767-5200.
- Does Thea Petersen accept Medicare?
- Thea Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thea Petersen's NPI active?
- Yes — Thea Petersen's NPI (1083887087) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.