Maryanne Hannaney, MD
NPI 1497797260 · Obstetrics & Gynecology Physician · Riverton, WY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryanne Hannaney, MD is a Obstetrics & Gynecology Physician provider in Riverton, WY (NPI 1497797260).
Provider details
- NPI number
- 1497797260
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 6798A (WY)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2013-06-04
Frequently asked questions
- What is Maryanne Hannaney's NPI number?
- Maryanne Hannaney's National Provider Identifier (NPI) is 1497797260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne Hannaney's specialty?
- Maryanne Hannaney is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Maryanne Hannaney located?
- Maryanne Hannaney's practice location on file with NPPES is 2300 Gasser Rd., Riverton, WY 82501.
- What is Maryanne Hannaney's phone number?
- The practice phone number listed in the NPPES registry for Maryanne Hannaney is (307) 856-4232.
- Does Maryanne Hannaney accept Medicare?
- Maryanne Hannaney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryanne Hannaney's NPI active?
- Yes — Maryanne Hannaney's NPI (1497797260) is active in the NPPES registry as of the last update on 2013-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.