Tammy Gregg, D.O.
NPI 1760685580 · Family Medicine Physician · Alamosa, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Gregg, D.O. is a Family Medicine Physician provider in Alamosa, CO (NPI 1760685580).
Provider details
- NPI number
- 1760685580
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 44979 (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
19 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 88 | 11 |
| Lisinopril | 65 | 22 |
| Levothyroxine Sodium | 63 | 16 |
| Atorvastatin Calcium | 51 | 17 |
| Losartan Potassium | 51 | 13 |
| Trazodone Hcl | 50 | — |
| Rivaroxaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-08
- Last updated
- 2013-09-27
Frequently asked questions
- What is Tammy Gregg's NPI number?
- Tammy Gregg's National Provider Identifier (NPI) is 1760685580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Gregg's specialty?
- Tammy Gregg is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Gregg located?
- Tammy Gregg's practice location on file with NPPES is 1710 1st St, Alamosa, CO 81101-2302.
- What is Tammy Gregg's phone number?
- The practice phone number listed in the NPPES registry for Tammy Gregg is (719) 589-3658.
- Does Tammy Gregg accept Medicare?
- Tammy Gregg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Gregg's NPI active?
- Yes — Tammy Gregg's NPI (1760685580) is active in the NPPES registry as of the last update on 2013-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.