William Gattis, MD
NPI 1386611465 · Family Medicine Physician · Gunnison, CO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gattis, MD is a Family Medicine Physician provider in Gunnison, CO (NPI 1386611465).
Provider details
- NPI number
- 1386611465
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40233 (CO)
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
20 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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 85 | 34 |
| Atorvastatin Calcium | 58 | 24 |
| Levothyroxine Sodium | 52 | 21 |
| Lisinopril | 47 | 15 |
| Tamsulosin Hcl | 41 | 13 |
| Losartan Potassium | 37 | 15 |
| Oxycodone Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 711 N Taylor StGunnison, CO 81230-2296Phone: (970) 641-1456Fax: (970) 641-4461
Registry dates
- Enumerated
- 2006-03-07
- Last updated
- 2023-12-29
- Certified
- 2023-12-29
Frequently asked questions
- What is William Gattis's NPI number?
- William Gattis's National Provider Identifier (NPI) is 1386611465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gattis's specialty?
- William Gattis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gattis located?
- William Gattis's practice location on file with NPPES is 707 N Iowa St, Gunnison, CO 81230-2229.
- What is William Gattis's phone number?
- The practice phone number listed in the NPPES registry for William Gattis is (970) 642-8413.
- Does William Gattis accept Medicare?
- William Gattis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gattis's NPI active?
- Yes — William Gattis's NPI (1386611465) is active in the NPPES registry as of the last update on 2023-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.