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John Larson, MD
NPI 1962507210 · Psychiatry Physician · Des Moines, IA
John Larson, MD is a Psychiatry Physician provider in Des Moines, IA (NPI 1962507210).
Provider details
- NPI number
- 1962507210
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 18174 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
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
1750 48th St
Suite 2
Des Moines, IA 50310-1988
Phone: (515) 271-6300
Fax: (515) 271-6311
Street-level locationGet directions
Mailing address
Po Box 4925
Des Moines, IA 50305-4925
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2010-02-23
Frequently asked questions
- What is John Larson's NPI number?
- John Larson's National Provider Identifier (NPI) is 1962507210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Larson's specialty?
- John Larson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Larson located?
- John Larson's practice location on file with NPPES is 1750 48th St, Des Moines, IA 50310-1988.
- What is John Larson's phone number?
- The practice phone number listed in the NPPES registry for John Larson is (515) 271-6300.
- Is John Larson's NPI active?
- Yes — John Larson's NPI (1962507210) is active in the NPPES registry as of the last update on 2010-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.