Mary Deigert, PAC
NPI 1306890041 · Physician Assistant · Billings, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Deigert, PAC is a Physician Assistant provider in Billings, MT (NPI 1306890041).
Provider details
- NPI number
- 1306890041
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 450 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-05-19
- Last updated
- 2023-10-12
- Certified
- 2023-10-12
Frequently asked questions
- What is Mary Deigert's NPI number?
- Mary Deigert's National Provider Identifier (NPI) is 1306890041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Deigert's specialty?
- Mary Deigert is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Deigert located?
- Mary Deigert's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.
- What is Mary Deigert's phone number?
- The practice phone number listed in the NPPES registry for Mary Deigert is (406) 247-3350.
- Does Mary Deigert accept Medicare?
- Mary Deigert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Deigert's NPI active?
- Yes — Mary Deigert's NPI (1306890041) is active in the NPPES registry as of the last update on 2023-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.