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MRS. JENNIFER A GRIMMER PNP
NPI 1548473879
Nurse Practitioner - Pediatrics in Saint Louis, MO

Active since May 07, 2007PECOS Enrolled
1000 DES PERES RD, STE 280, SAINT LOUIS, MO 63131(314) 966-8500(314) 966-4499 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 9, 2024, Nov 29, 2021, Jun 13, 2019 and 2 more (5 updates tracked since 2015).

About Mrs. Jennifer A Grimmer Pnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. JENNIFER A GRIMMER PNP (NPI 1548473879) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Missouri (140343) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548473879
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. JENNIFER A GRIMMERCredential: PNP
Location Address1000 DES PERES RD, STE 280Saint Louis, MO 63131-2064
Mailing AddressPo Box 7412023Chicago, IL 60674-2023 · (314) 966-8500 · Fax (314) 966-4499
Phone(314) 966-8500
Fax(314) 966-4499
Sole ProprietorNo
Enumeration DateMay 7, 2007
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
✔ NPI 1548473879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in MO · 140343
1000 DES PERES RD, Saint Louis, MO 63131
Open in Google Maps ↗

Other Identifiers 1

Medicaid420020001MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jennifer A Grimmer Pnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. HAYLEY M WURZEL MD
Pediatrics
1000 DES PERES RD, STE 280
SAINT LOUIS, MO 63131
St. Louis County (314) 966-8500
ST. JOHN'S MERCY HEALTH SERVICES, LLC
Psychologist (Addiction (Substance Use Disorder))
1000 DES PERES RD, SUITE 200C
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4639
BONE & JOINT CHIROPRACTIC, LLC
Chiropractor
1000 DES PERES RD, STE 120
SAINT LOUIS, MO 63131
St. Louis County (314) 628-5200
DR. MISTY CRIDER DAY M.D.
Obstetrics & Gynecology
1000 DES PERES RD, SUITE 100
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4440
DR. LEO A WHITESIDE M.D.
Specialist
1000 DES PERES RD, SUITE 120
SAINT LOUIS, MO 63131
St. Louis County (314) 205-2223
KAREN A. MCMAHON
Social Worker (Clinical)
1000 DES PERES RD, SUITE 200-C
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4600
DR. SANAA WAHEED M.D.
Internal Medicine
1000 DES PERES RD, SUITE 310
DES PERES, MO 63131
St. Louis County (314) 821-1313
DR. JENNIFER LEA ARTER MD
Pediatrics
1000 DES PERES RD, STE 280
SAINT LOUIS, MO 63131
St. Louis County (314) 966-8500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Grimmer's NPI number?

The NPI number for Jennifer Grimmer is 1548473879. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Where is Jennifer Grimmer located?

Jennifer Grimmer practices at 1000 Des Peres Rd Ste 280, Saint Louis, MO 63131. The listed phone number is (314) 966-8500.

What is Jennifer Grimmer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Jennifer Grimmer enrolled in Medicare?

Yes. Jennifer Grimmer is registered in the Medicare PECOS enrollment system.

What insurance does Jennifer Grimmer accept?

Health plans from Cox HealthPlans list Jennifer Grimmer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jennifer Grimmer was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.