Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Maryanne A Hannaney, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1497797260

Maryanne A Hannaney, MD is an Obstetrics/Gynecology in Riverton, Wyoming. Qualified in 1975, 51 years ago. Practices with Obhg California PC, a 85-clinician group and accepts Medicare assignment. Licensed in Wyoming.

Years since qualifying
51
Licensed in
WY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2300 Gasser Rd
Riverton, WY 82501
Phone: (307) 856-4232
Fax: (307) 856-4243
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 6798A (WY)

Record details

NPI number1497797260
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESJune 4, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Group practice Obhg California Pc — 85 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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