Joel Larson, M.D.
NPI 1285617472 · Critical Care Medicine (Internal Medicine) Physician · Phoenix, AZ
Joel Larson, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Phoenix, AZ (NPI 1285617472).
Provider details
- NPI number
- 1285617472
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18679 (AZ)
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
20 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
- 2005-11-22
- Last updated
- 2019-03-13
Frequently asked questions
- What is Joel Larson's NPI number?
- Joel Larson's National Provider Identifier (NPI) is 1285617472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Larson's specialty?
- Joel Larson is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Larson located?
- Joel Larson's practice location on file with NPPES is 5777 E Mayo Blvd, Phoenix, AZ 85054-4502.
- What is Joel Larson's phone number?
- The practice phone number listed in the NPPES registry for Joel Larson is (480) 301-8000.
- Is Joel Larson's NPI active?
- Yes — Joel Larson's NPI (1285617472) is active in the NPPES registry as of the last update on 2019-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.