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Obstetrics/Gynecology

Chad S. Abbey, MD

Works at hospitals in Billings, MT · Montana

Summary

Chad S. Abbey, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Billings, MT. NPI 1336346568. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Chad S. Abbey, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
May acceptAccepts Medicare assignment
19Years since medical school (graduated 2007)
West Virginia School Of Osteopathic MedicineMedical school
MaleGender (as listed)
Billings Ob-Gyn Associates PCGroup practice

Quick answers

Which hospitals does Chad S. Abbey work at?
Medicare's official clinician data lists Chad S. Abbey at 1 hospital: Intermountain Health St Vincent Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Chad S. Abbey see patients?
Medicare's clinician data lists 1 practice location in Billings, MT. Call before your visit to confirm the address.
What is Chad S. Abbey's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Chad S. Abbey accept Medicare assignment?
Medicare's clinician data says Chad S. Abbey may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Chad S. Abbey?
(406) 248-3607, as listed in official Medicare / NPI Registry data.
What is Chad S. Abbey's NPI number?
1336346568. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Chad S. Abbey works

Medicare's Facility Affiliation Data lists Chad S. Abbey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Chad S. Abbey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Chad S. Abbey as a member of this group (CMS data updated 2026-10-02).

  • Billings Ob-Gyn Associates PC12 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Montana →

Other OB-GYNs in Billings

Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.

All OB-GYNs in Billings →

Clinician information

CredentialMD
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2007
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1336346568
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians