Mark Hammar, PA-C
NPI 1609998731 · Medical Physician Assistant · Rexburg, ID
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hammar, PA-C is a Medical Physician Assistant provider in Rexburg, ID (NPI 1609998731).
Provider details
- NPI number
- 1609998731
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA-734 (ID)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 36 Professional PlzSuite 202Rexburg, ID 83440-2049Phone: (208) 656-8868Fax: (208) 656-8440
Registry dates
- Enumerated
- 2007-04-06
- Last updated
- 2021-06-01
- Certified
- 2021-06-01
Frequently asked questions
- What is Mark Hammar's NPI number?
- Mark Hammar's National Provider Identifier (NPI) is 1609998731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hammar's specialty?
- Mark Hammar is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Hammar located?
- Mark Hammar's practice location on file with NPPES is 37 S 2nd E Ste 202, Rexburg, ID 83440-1906.
- What is Mark Hammar's phone number?
- The practice phone number listed in the NPPES registry for Mark Hammar is (208) 356-0234.
- Does Mark Hammar accept Medicare?
- Mark Hammar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hammar's NPI active?
- Yes — Mark Hammar's NPI (1609998731) is active in the NPPES registry as of the last update on 2021-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.