Mason Kimmel, AA
NPI 1659234946 · Anesthesiologist Assistant · Saint Louis, MO
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Kimmel, AA is a Anesthesiologist Assistant provider in Saint Louis, MO (NPI 1659234946).
Provider details
- NPI number
- 1659234946
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2025-12-04
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Mason Kimmel's NPI number?
- Mason Kimmel's National Provider Identifier (NPI) is 1659234946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Kimmel's specialty?
- Mason Kimmel is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mason Kimmel located?
- Mason Kimmel's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Mason Kimmel's phone number?
- The practice phone number listed in the NPPES registry for Mason Kimmel is (636) 386-9224.
- Does Mason Kimmel accept Medicare?
- Mason Kimmel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Kimmel's NPI active?
- Yes — Mason Kimmel's NPI (1659234946) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.