Justin Hammar, MD
NPI 1427437102 · Neonatal-Perinatal Medicine Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Hammar, MD is a Neonatal-Perinatal Medicine Physician provider in Minneapolis, MN (NPI 1427437102).
Provider details
- NPI number
- 1427437102
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 63976 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-05-27
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Justin Hammar's NPI number?
- Justin Hammar's National Provider Identifier (NPI) is 1427437102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Hammar's specialty?
- Justin Hammar is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Hammar located?
- Justin Hammar's practice location on file with NPPES is 2104 22nd Ave S Apt 1, Minneapolis, MN 55404-3171.
- What is Justin Hammar's phone number?
- The practice phone number listed in the NPPES registry for Justin Hammar is (612) 414-2363.
- Does Justin Hammar accept Medicare?
- Justin Hammar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Hammar's NPI active?
- Yes — Justin Hammar's NPI (1427437102) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.