Katherine Callahan, DO
NPI 1215296926 · Family Medicine Physician · Lafayette, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Callahan, DO is a Family Medicine Physician provider in Lafayette, CO (NPI 1215296926).
Provider details
- NPI number
- 1215296926
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A12232 (CA)
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
14 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 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 322 | 147 |
| Alendronate Sodium | 274 | 135 |
| Gabapentin | 241 | 152 |
| Levothyroxine Sodium | 241 | 114 |
| Lisinopril | 176 | 89 |
| Oxycodone Hcl | 132 | 99 |
| Omeprazole | 119 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-15
- Last updated
- 2021-05-07
- Certified
- 2021-05-07
Frequently asked questions
- What is Katherine Callahan's NPI number?
- Katherine Callahan's National Provider Identifier (NPI) is 1215296926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Callahan's specialty?
- Katherine Callahan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Callahan located?
- Katherine Callahan's practice location on file with NPPES is 280 Exempla Cir, Lafayette, CO 80026-3370.
- What is Katherine Callahan's phone number?
- The practice phone number listed in the NPPES registry for Katherine Callahan is (303) 338-4545.
- Does Katherine Callahan accept Medicare?
- Katherine Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Callahan's NPI active?
- Yes — Katherine Callahan's NPI (1215296926) is active in the NPPES registry as of the last update on 2021-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.