Douglas Larsen, MD
NPI 1669635181 · Neurology with Special Qualifications in Child Neurology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Larsen, MD is a Neurology with Special Qualifications in Child Neurology Physician provider in Saint Louis, MO (NPI 1669635181).
Provider details
- NPI number
- 1669635181
- Entity type
- Individual
- Primary specialty
- Neurology with Special Qualifications in Child Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2008018552 (MO)
Specialties & taxonomies
- Neurology with Special Qualifications in Child Neurology PhysicianPrimary2084N0402XLicense 2008018552 (MO)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-07-03
- Last updated
- 2025-04-17
Frequently asked questions
- What is Douglas Larsen's NPI number?
- Douglas Larsen's National Provider Identifier (NPI) is 1669635181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Larsen's specialty?
- Douglas Larsen is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Larsen located?
- Douglas Larsen's practice location on file with NPPES is 1 Childrens Pl, Saint Louis, MO 63110-1002.
- What is Douglas Larsen's phone number?
- The practice phone number listed in the NPPES registry for Douglas Larsen is (314) 362-1408.
- Does Douglas Larsen accept Medicare?
- Douglas Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Larsen's NPI active?
- Yes — Douglas Larsen's NPI (1669635181) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.