Mary Callahan Dupont, DO
NPI 1306692074 · Student in an Organized Health Care Education/Training Program · Billings, MT
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Callahan Dupont, DO is a Student in an Organized Health Care Education/Training Program provider in Billings, MT (NPI 1306692074).
Provider details
- NPI number
- 1306692074
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-04-24
- Last updated
- 2024-12-23
- Certified
- 2024-12-23
Frequently asked questions
- What is Mary Callahan Dupont's NPI number?
- Mary Callahan Dupont's National Provider Identifier (NPI) is 1306692074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Callahan Dupont's specialty?
- Mary Callahan Dupont is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Mary Callahan Dupont located?
- Mary Callahan Dupont's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.
- What is Mary Callahan Dupont's phone number?
- The practice phone number listed in the NPPES registry for Mary Callahan Dupont is (406) 247-3350.
- Does Mary Callahan Dupont accept Medicare?
- Mary Callahan Dupont is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Callahan Dupont's NPI active?
- Yes — Mary Callahan Dupont's NPI (1306692074) is active in the NPPES registry as of the last update on 2024-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.