Alison Railsback, MD
NPI 1043281777 · Family Medicine Physician · Longmont, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Railsback, MD is a Family Medicine Physician provider in Longmont, CO (NPI 1043281777).
Provider details
- NPI number
- 1043281777
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 45257 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 233 | 67 |
| Atorvastatin Calcium | 188 | 58 |
| Lisinopril | 153 | 45 |
| Simvastatin | 134 | 40 |
| Omeprazole | 120 | 46 |
| Rosuvastatin Calcium | 108 | 36 |
| Losartan Potassium | 95 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Alison Railsback's NPI number?
- Alison Railsback's National Provider Identifier (NPI) is 1043281777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Railsback's specialty?
- Alison Railsback is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Railsback located?
- Alison Railsback's practice location on file with NPPES is 2345 Bent Way, Longmont, CO 80503-7614.
- What is Alison Railsback's phone number?
- The practice phone number listed in the NPPES registry for Alison Railsback is (303) 338-4545.
- Does Alison Railsback accept Medicare?
- Alison Railsback is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Railsback's NPI active?
- Yes — Alison Railsback's NPI (1043281777) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.