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ALLISON REBECCA SHENKER MSN, APRN, FNP-BC
NPI 1235655465
Nurse Practitioner - Family in Chesterfield, MO

Active since August 18, 2017PECOS EnrolledAccepts Medicare Assignment
1585 WOODLAKE DR STE 100, CHESTERFIELD, MO 63017(314) 434-4278(314) 851-4466 Get Directions Write a Review

NPPES record last updated: May 17, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 17, 2023, Jul 21, 2022, Aug 18, 2017 (3 updates tracked since 2017).

About Allison Rebecca Shenker Msn, Aprn, Fnp-bc NPPES

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

ALLISON REBECCA SHENKER MSN, APRN, FNP-BC (NPI 1235655465) is an individual family provider in Chesterfield, Missouri, licensed in Missouri (2017023156) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1235655465
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALLISON REBECCA SHENKERCredential: MSN, APRN, FNP-BC
Location Address1585 WOODLAKE DR STE 100Chesterfield, MO 63017-5740
Mailing AddressPo Box 23340Saint Louis, MO 63156-3340 · (314) 851-1000
Phone(314) 434-4278
Fax(314) 851-4466
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateAugust 18, 2017
Last NPPES UpdateMay 17, 20233 updates tracked since enumeration
NPPES CertifiedMay 17, 2023
✔ NPI 1235655465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2017023156
1585 WOODLAKE DR STE 100, Chesterfield, MO 63017
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company 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

Allison Rebecca Shenker Msn, Aprn, Fnp-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 ID6103199252
PECOS Enrollment IDI20170912000900
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 Allison Shenker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

American Multispecialty Group Inc.
0.6 mi
Internal Medicine
555 MARYVILLE UNIVERSITY DR STE 240
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 119 clinicians in this Medicare group
NPI 1972559532 (314) 851-1000
Physician Specialists Of St Lukes LLC
1.0 mi
Internal Medicine
232 S WOODS MILL RD
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 215 clinicians in this Medicare group
NPI 1235168410 (314) 434-1500

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 12

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 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.
127 services97 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
84 services62 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
50 services47 patients
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.
48 services40 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
37 services36 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
26 services23 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 63017 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 Allison Shenker's NPI number?

The NPI number for Allison Shenker is 1235655465. It was assigned to this individual provider in the NPPES registry on August 18, 2017.

Where is Allison Shenker located?

Allison Shenker practices at 1585 Woodlake Dr Ste 100, Chesterfield, MO 63017. The listed phone number is (314) 434-4278.

What is Allison Shenker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Allison Shenker enrolled in Medicare?

Yes. Allison Shenker 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 Allison Shenker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Shenker reassigns Medicare benefits to 2 organizations: American Multispecialty Group Inc. (Saint Louis, MO) and Physician Specialists Of St Lukes LLC (Chesterfield, 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 Allison Shenker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Shenker accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company and UnitedHealthcare list Allison Shenker 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 Allison Shenker affiliated with any hospitals?

According to CMS data, Allison Shenker is affiliated with Mercy Hospital St Louis and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Allison Shenker was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.