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KAY MICHELLE WUNDERLICH FNP-C
NPI 1568180289
Nurse Practitioner in Saint Peters, MO

Active since August 18, 2022PECOS EnrolledAccepts Medicare Assignment
6994 MEXICO RD, SAINT PETERS, MO 63376(636) 397-3231 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 4, 2026, Mar 5, 2025, Aug 9, 2023 and 1 more (4 updates tracked since 2022).

About Kay Michelle Wunderlich Fnp-c NPPES

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

KAY MICHELLE WUNDERLICH FNP-C (NPI 1568180289) is an individual nurse practitioner in Saint Peters, Missouri, licensed in Missouri (2022032857) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1568180289
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKAY MICHELLE WUNDERLICHCredential: FNP-C
Location Address6994 MEXICO RDSaint Peters, MO 63376-1512
Mailing AddressPo Box 955534Saint Louis, MO 63195-5534
Phone(636) 397-3231
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 18, 2022
Last NPPES UpdateMay 4, 20264 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
✔ NPI 1568180289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · 2022032857
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
6994 MEXICO RD, Saint Peters, MO 63376
Open in Google Maps ↗

Other Names 1

Former Name (1)Kay Seemiller

Secondary Practice Locations 2

Location 1536 Hilltop Townes DrEureka, MO 63025-1057 · Phone (314) 600-8461
Location 213655 Riverport DrMaryland Heights, MO 63043-4812 · Phone (314) 254-1865

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

Kay Michelle Wunderlich Fnp-c 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 ID2062885775
PECOS Enrollment IDI20230228001963
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

4

Medicare enrollment records show Kay Wunderlich reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Pain Relief Center LLC
2.1 mi
General Practice
4710 MEXICO RD STE B
Saint Peters, MO 63376
  • Reassigned Medicare billing, Missouri enrollment
  • 4 clinicians in this Medicare group
NPI 1467186411 (636) 244-0124
Morningstar Neuropathy & Pain Treatment Center LLC
2.1 mi
General Practice
4710 MEXICO RD
Saint Peters, MO 63376
  • Reassigned Medicare billing, Missouri enrollment
NPI 1073184248 (636) 244-0124
Ssm Medical Group, Inc.
6.9 mi
Clinic/Center
1101 HIGHWAY K STE A
O Fallon, MO 63366
  • Reassigned Medicare billing, Missouri enrollment
  • 697 clinicians in this Medicare group
NPI 1851896146 (844) 766-7200
St Louis Pain Center LLC
27 mi
General Practice
4455 TELEGRAPH RD STE 250
Saint Louis, MO 63129
  • Reassigned Medicare billing, Missouri enrollment
  • 4 clinicians in this Medicare group
NPI 1992587968 (314) 846-2100

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 8

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.

Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg J7320
Genvisc 850 is an injection containing hyaluronan, a substance naturally found in your joints. It helps to lubricate and cushion your joints. This treatment is used to relieve knee pain due to osteoarthritis when other treatments have not worked.
4,500 services35 patients
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
205 services39 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
182 services35 patients
Fluoroscopic guidance for needle placement 77002
Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.
54 services14 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
44 services30 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients

Hospital Affiliations CMS Care Compare

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

Ssm St Joseph Health Center

Acute Care Hospitals · Saint Charles, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260005
Location300 1st Capitol DrSaint Charles, MO 63301 · St. Charles County
Emergency services

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 6

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

DR. MARK D HINGST M.D.
Family Medicine
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231
CHRISTINE VOGEL DO
Family Medicine
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231
JOY STOWELL M.D.
Family Medicine
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231
MRS. CINDY MYERS FNP, BC
Nurse Practitioner (Family)
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231
CANDACE K CALTON FNP-C
Nurse Practitioner (Family)
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231
JESSICA LYNN UNDERHILL DO
Family Medicine
6994 MEXICO RD
SAINT PETERS, MO 63376
St. Charles County (636) 397-3231

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 Kay Wunderlich's NPI number?

The NPI number for Kay Wunderlich is 1568180289. It was assigned to this individual provider in the NPPES registry on August 18, 2022. The provider is also known as Kay Seemiller.

Where is Kay Wunderlich located?

Kay Wunderlich practices at 6994 Mexico Rd, Saint Peters, MO 63376. The listed phone number is (636) 397-3231.

What is Kay Wunderlich's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kay Wunderlich enrolled in Medicare?

Yes. Kay Wunderlich 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 Kay Wunderlich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kay Wunderlich reassigns Medicare benefits to 4 organizations: Advanced Pain Relief Center LLC (Saint Peters, MO), Morningstar Neuropathy & Pain Treatment Center LLC (Saint Peters, MO), Ssm Medical Group, Inc. (O Fallon, MO) and St Louis Pain Center LLC (Saint Louis, 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 Kay Wunderlich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kay Wunderlich 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 4 other insurers list Kay Wunderlich 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 Kay Wunderlich affiliated with any hospitals?

According to CMS data, Kay Wunderlich is affiliated with Ssm St Joseph Health Center.

When was this NPI record last updated?

The NPPES record for Kay Wunderlich was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.