MS. JENNIFER LOUISE KEEN APN
NPI 1114193083
Nurse Practitioner - Adult Health in Saint Peters, MO

Active since May 01, 2008PECOS Enrolled
6 JUNGERMANN CIR, SUITE 209, SAINT PETERS, MO 63376(636) 916-9080(636) 916-9332 Get Directions Write a Review

NPPES record last updated: October 5, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Jennifer Louise Keen Apn NPPES

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

MS. JENNIFER LOUISE KEEN APN (NPI 1114193083) is an individual adult health provider in Saint Peters, Missouri, licensed in Missouri (ANP141151) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114193083
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. JENNIFER LOUISE KEENCredential: APN
Location Address6 JUNGERMANN CIR, SUITE 209Saint Peters, MO 63376-1621
Mailing Address2999 Imperial DrSaint Peters, MO 63303-1221 · (314) 750-0435
Fax(636) 916-9332
Sole ProprietorNo
Enumeration DateMay 1, 2008
Last NPPES UpdateOctober 5, 2021
NPPES CertifiedOctober 5, 2021
✔ NPI 1114193083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · ANP141151
6 JUNGERMANN CIR, Saint Peters, MO 63376

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Jennifer Louise Keen Apn 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Jennifer Keen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adult Medicine
2621 RAYMOND DR
Saint Charles, MO 63301
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: The Health Centers PC
  • 8 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Missouri enrollment
  • 412 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63376 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 15

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

Clinic/Center (Medical Specialty)
6 JUNGERMANN CIR, SUITE 209
SAINT PETERS, MO 63376
Internal Medicine (Pulmonary Disease)
6 JUNGERMANN CIR, SUITE 210
SAINT PETERS, MO 63376
Surgery
6 JUNGERMANN CIR, SUITE 205
SAINT PETERS, MO 63376
Internal Medicine (Pulmonary Disease)
6 JUNGERMANN CIR, SUITE 121
SAINT PETERS, MO 63376
Internal Medicine (Pulmonary Disease)
6 JUNGERMANN CIR, SUITE 210
SAINT PETERS, MO 63376
Internal Medicine (Nephrology)
6 JUNGERMANN CIR, SUITE 215
SAINT PETERS, MO 63376
Specialist
6 JUNGERMANN CIR, SUITE 211
SAINT PETERS, MO 63376
Family Medicine
6 JUNGERMANN CIR, 108
SAINT PETERS, MO 63376

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 Keen's NPI number?

The NPI number for Jennifer Keen is 1114193083. It was assigned to this individual provider in the NPPES registry on May 1, 2008.

Where is Jennifer Keen located?

Jennifer Keen practices at 6 Jungermann Cir Suite 209, Saint Peters, MO 63376. The listed phone number is (636) 916-9080.

What is Jennifer Keen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Jennifer Keen enrolled in Medicare?

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

Which organizations bill Medicare for Jennifer Keen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Keen reassigns Medicare benefits to 2 organizations: The Health Centers, P.C. (Saint Charles, MO) and Signify Health, LLC (Dallas, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Keen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Keen was last updated on October 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.