Gwen Libby, M.D.
NPI 1326307729 · Family Medicine Physician · Riverton, WY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwen Libby, M.D. is a Family Medicine Physician provider in Riverton, WY (NPI 1326307729).
Provider details
- NPI number
- 1326307729
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 10210A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 628 | 155 |
| Levothyroxine Sodium | 360 | 78 |
| Losartan Potassium | 300 | 81 |
| Lisinopril | 254 | 72 |
| Omeprazole | 227 | 62 |
| Gabapentin | 203 | 63 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-07
- Last updated
- 2015-08-12
Frequently asked questions
- What is Gwen Libby's NPI number?
- Gwen Libby's National Provider Identifier (NPI) is 1326307729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwen Libby's specialty?
- Gwen Libby is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gwen Libby located?
- Gwen Libby's practice location on file with NPPES is 1620 Riverview Rd, Riverton, WY 82501-5906.
- What is Gwen Libby's phone number?
- The practice phone number listed in the NPPES registry for Gwen Libby is (307) 856-6591.
- Does Gwen Libby accept Medicare?
- Gwen Libby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwen Libby's NPI active?
- Yes — Gwen Libby's NPI (1326307729) is active in the NPPES registry as of the last update on 2015-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.