John Freer, M.D.
NPI 1821193947 · Pediatric Emergency Medicine (Pediatrics) Physician · Layton, UT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Freer, M.D. is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Layton, UT (NPI 1821193947).
Provider details
- NPI number
- 1821193947
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 311823-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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)
- 13123 E 16th AveAurora, CO 80045-7106Phone: (720) 777-1234
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2023-03-23
- Certified
- 2023-03-23
Frequently asked questions
- What is John Freer's NPI number?
- John Freer's National Provider Identifier (NPI) is 1821193947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Freer's specialty?
- John Freer is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is John Freer located?
- John Freer's practice location on file with NPPES is 1580 W Antelope Dr, Layton, UT 84041-1160.
- What is John Freer's phone number?
- The practice phone number listed in the NPPES registry for John Freer is (801) 773-8644.
- Does John Freer accept Medicare?
- John Freer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Freer's NPI active?
- Yes — John Freer's NPI (1821193947) is active in the NPPES registry as of the last update on 2023-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.