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DR. JENNIFER LYNN KNOX D.O.
NPI 1184822801
Family Medicine in Saint Louis, MO

Active since July 03, 2007PECOS EnrolledAccepts Medicare Assignment
9338 OLIVE BLVD, SUITE 100, SAINT LOUIS, MO 63132(314) 993-2400(314) 993-5952 Get Directions Write a Review

NPPES record last updated: June 24, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jennifer Lynn Knox D.o. NPPES

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

DR. JENNIFER LYNN KNOX D.O. (NPI 1184822801) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2007016874) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Kansas City University Of Physicians And Surgeons (2007).

NPPES Registry Identity

NPI1184822801
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JENNIFER LYNN KNOXCredential: D.O.
Location Address9338 OLIVE BLVD, SUITE 100Saint Louis, MO 63132-3248
Mailing Address9338 Olive Blvd, Suite 100Saint Louis, MO 63132-3248 · (314) 993-2400
Phone(314) 993-2400
Fax(314) 993-5952
Sole ProprietorNo
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2007
Enumeration DateJuly 3, 2007
Last NPPES UpdateJune 24, 2010
✔ NPI 1184822801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 2007016874
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9338 OLIVE BLVD, Saint Louis, MO 63132
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Lynn Knox D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496879884
PECOS Enrollment IDI20100908000537
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 Knox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic East Communities
3.9 mi
Family Medicine
615 S NEW BALLAS RD, ADMINISTRATION BUILDING, 5TH FLOOR
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 744 clinicians in this Medicare group
NPI 1043574940 (314) 251-6000
Tri-County Family Practice, LLC
21 mi
Family Medicine
5551 WINGHAVEN BLVD STE 142
O Fallon, MO 63368
  • Reassigned Medicare billing, Missouri enrollment
  • 12 clinicians in this Medicare group
NPI 1285720169 (636) 695-2510

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
104 services72 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
58 services58 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
32 services19 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
25 services23 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63132 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers13 claims42 services$6.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Knox's NPI number?

The NPI number for Jennifer Knox is 1184822801. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Where is Jennifer Knox located?

Jennifer Knox practices at 9338 Olive Blvd Suite 100, Saint Louis, MO 63132. The listed phone number is (314) 993-2400.

What is Jennifer Knox's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jennifer Knox enrolled in Medicare?

Yes. Jennifer Knox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jennifer Knox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Knox reassigns Medicare benefits to 2 organizations: Mercy Clinic East Communities (Saint Louis, MO) and Tri-County Family Practice, LLC (O Fallon, MO). 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 Knox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Knox accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 5 other insurers list Jennifer Knox 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.

Is Jennifer Knox affiliated with any hospitals?

According to CMS data, Jennifer Knox is affiliated with Mercy Hospital St Louis and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Knox was last updated on June 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.