Zachary Harder, DO
NPI 1255187837 · 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)
Zachary Harder, DO is a Student in an Organized Health Care Education/Training Program provider in Billings, MT (NPI 1255187837).
Provider details
- NPI number
- 1255187837
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- 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
- 2024-04-25
- Last updated
- 2024-04-25
- Certified
- 2024-04-25
Frequently asked questions
- What is Zachary Harder's NPI number?
- Zachary Harder's National Provider Identifier (NPI) is 1255187837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Harder's specialty?
- Zachary Harder 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 Zachary Harder located?
- Zachary Harder's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.
- What is Zachary Harder's phone number?
- The practice phone number listed in the NPPES registry for Zachary Harder is (406) 247-3350.
- Does Zachary Harder accept Medicare?
- Zachary Harder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Harder's NPI active?
- Yes — Zachary Harder's NPI (1255187837) is active in the NPPES registry as of the last update on 2024-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.