Carolyn Ostrander, MD
NPI 1346450061 · Family Medicine Physician · Colby, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Ostrander, MD is a Family Medicine Physician provider in Colby, WI (NPI 1346450061).
Provider details
- NPI number
- 1346450061
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 53714-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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 · 155 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 441 | 113 |
| Levothyroxine Sodium | 342 | 81 |
| Lisinopril | 334 | 94 |
| Amlodipine Besylate | 310 | 80 |
| Omeprazole | 299 | 78 |
| Furosemide | 289 | 54 |
| Metoprolol Succinate | 258 |
Practice location
Mailing address
Additional practice locations (1)
- 551 Washington StChagrin Falls, OH 44022-4403Phone: (440) 893-9393
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Carolyn Ostrander's NPI number?
- Carolyn Ostrander's National Provider Identifier (NPI) is 1346450061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Ostrander's specialty?
- Carolyn Ostrander is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Ostrander located?
- Carolyn Ostrander's practice location on file with NPPES is 111 Dehne Dr, Colby, WI 54421-9581.
- What is Carolyn Ostrander's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Ostrander is (715) 223-2331.
- Does Carolyn Ostrander accept Medicare?
- Carolyn Ostrander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Ostrander's NPI active?
- Yes — Carolyn Ostrander's NPI (1346450061) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.