Jennifer Grimmer, PNP
NPI 1548473879 · Pediatric Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Grimmer, PNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1548473879).
Provider details
- NPI number
- 1548473879
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- No
- License
- 140343 (MO)
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
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
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-04-17
Frequently asked questions
- What is Jennifer Grimmer's NPI number?
- Jennifer Grimmer's National Provider Identifier (NPI) is 1548473879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Grimmer's specialty?
- Jennifer Grimmer is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Grimmer located?
- Jennifer Grimmer's practice location on file with NPPES is 1000 Des Peres Rd, Saint Louis, MO 63131-2064.
- What is Jennifer Grimmer's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Grimmer is (314) 966-8500.
- Does Jennifer Grimmer accept Medicare?
- Jennifer Grimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Grimmer's NPI active?
- Yes — Jennifer Grimmer's NPI (1548473879) 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.