Quick answers
- Where does William A. Gromko Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Libby, MT. Call before your visit to confirm the address.
- What is William A. Gromko Jr.'s specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William A. Gromko Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William A. Gromko Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William A. Gromko Jr.?
- (706) 293-3113, as listed in official Medicare / NPI Registry data.
- What is William A. Gromko Jr.'s NPI number?
- 1477565026. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William A. Gromko Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 E 9th St, Suite 1Libby, MT 59923 (706) 293‑3113
- 34169 US Hwy 2Libby, MT 59923 (406) 283‑8031
Group practices
Medicare enrollment lists William A. Gromko Jr. as a member of this group (CMS data updated 2026-10-02).
- Family Health and Wellness Inc7 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Libby
Clinicians with the same Medicare primary specialty in Libby, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477565026 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians