MRS. ALYSSA S KEINER AGNP-BC
NPI 1336649276
Nurse Practitioner - Adult Health in Wentzville, MO

Active since February 16, 2018PECOS EnrolledAccepts Medicare Assignment
1620 SPRINGMILL DR, WENTZVILLE, MO 63385(636) 751-3405 Get Directions Write a Review

NPPES record last updated: August 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 16, 2021, Feb 16, 2018 (2 updates tracked since 2018).

About Mrs. Alyssa S Keiner Agnp-bc NPPES

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

MRS. ALYSSA S KEINER AGNP-BC (NPI 1336649276) is an individual adult health provider in Wentzville, Missouri, licensed in Missouri (2018001324) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Ssm Health Depaul Hospital St Louis, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1336649276
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. ALYSSA S KEINERCredential: AGNP-BC
Location Address1620 SPRINGMILL DRWentzville, MO 63385-3013
Mailing Address1620 Springmill DrWentzville, MO 63385-3013 · (636) 751-3405
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateFebruary 16, 2018
Last NPPES UpdateAugust 16, 20212 updates tracked since enumeration
NPPES CertifiedAugust 16, 2021
NPI 1336649276 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 · 2018001324
1620 SPRINGMILL DR, Wentzville, MO 63385

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Alyssa S Keiner Agnp-bc 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 ID5193070654
PECOS Enrollment IDI20180625001585
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.

Areas of Expertise CMS Part B claims 2

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.
29 services28 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260104
Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63385 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.

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 Alyssa Keiner's NPI number?

The NPI number for Alyssa Keiner is 1336649276. It was assigned to this individual provider in the NPPES registry on February 16, 2018.

Where is Alyssa Keiner located?

Alyssa Keiner practices at 1620 Springmill Dr, Wentzville, MO 63385. The listed phone number is (636) 751-3405.

What is Alyssa Keiner's specialty?

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

Is Alyssa Keiner enrolled in Medicare?

Yes. Alyssa Keiner 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.

What insurance does Alyssa Keiner accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Alyssa Keiner 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 Alyssa Keiner affiliated with any hospitals?

According to CMS data, Alyssa Keiner is affiliated with Ssm Health Depaul Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Alyssa Keiner was last updated on August 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.