MARY BRIDGET GALKA DO, MPH
NPI 1215430053
Hospitalist in Billings, MT
About Mary Bridget Galka Do, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY BRIDGET GALKA DO, MPH (NPI 1215430053) is an individual hospitalist provider in Billings, Montana, licensed in Montana (MED-PHYS-LIC-143151) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Bridget Galka Do, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Galka reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Lewistown, MT 59457
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1770696601 (Montana)
- 83 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTCentral Montana Medical Center
Critical Access Hospitals · Lewistown, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59101
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Galka's NPI number?
The NPI number for Mary Galka is 1215430053. It was assigned to this individual provider in the NPPES registry on March 16, 2018. The provider is also known as Mary Bridget Connolly.
Where is Mary Galka located?
Mary Galka practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (503) 880-8530.
What is Mary Galka's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mary Galka enrolled in Medicare?
Yes. Mary Galka is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mary Galka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Galka reassigns Medicare benefits to 2 organizations: Billings Clinic (Billings, MT) and Central Montana Medical Facilities, Inc. (Lewistown, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Galka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Galka accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Mary Galka as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mary Galka affiliated with any hospitals?
According to CMS data, Mary Galka is affiliated with Billings Clinic and Central Montana Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Galka was last updated on July 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Bridget Galka, DO, MPH · NPI 1215430053
Hospitalist physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since March 16, 2018.
## Identity
- **NPI:** 1215430053 (Entity type: Individual)
- **Enumerated:** March 16, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MED-PHYS-LIC-143151 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 N 29TH ST, Billings, MT 59101-0905
- **Phone:** (503) 880-8530
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Billings Clinic (NPI 1376598714, Billings, MT); Central Montana Medical Facilities, Inc. (NPI 1336252758, Lewistown, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** July 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1215430053) · Data from the CMS NPPES public registry.