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SHAY M MAYER PLPC
NPI 1013593003
Counselor - Professional in Hannibal, MO

Active since March 22, 2021PECOS EnrolledAccepts Medicare Assignment
154 FORREST DR, HANNIBAL, MO 63401(573) 221-2120(573) 221-4380 Get Directions Write a Review

NPPES record last updated: March 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Shay M Mayer Plpc NPPES

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

SHAY M MAYER PLPC (NPI 1013593003) is an individual professional provider in Hannibal, Missouri, licensed in Missouri (2020049251) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1013593003
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameSHAY M MAYERCredential: PLPC
Location Address154 FORREST DRHannibal, MO 63401-5511
Mailing Address154 Forrest DrHannibal, MO 63401-5511 · (573) 221-2120 · Fax (573) 221-4380
Phone(573) 221-2120
Fax(573) 221-4380
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 22, 2021
NPPES CertifiedMarch 22, 2021
✔ NPI 1013593003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in MO · 2020049251
154 FORREST DR, Hannibal, MO 63401
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Accepted Insurance

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

Shay M Mayer Plpc 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 ID2163961285
PECOS Enrollment IDI20240903001893
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 Reassignment

Medicare enrollment records show Shay Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mark Twain Association For Mental Health, Inc.
Same address
Community/Behavioral Health
154 FORREST DR
Hannibal, MO 63401
  • Reassigned Medicare billing, Missouri enrollment
  • 47 clinicians in this Medicare group
NPI 1700933363 (573) 221-2120

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

Other Providers at the Same Location NPPES 20

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

CRYSTAL L NEFF PLPC
Counselor (Professional)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
LORRIE LYNN LOCK PLPC
Counselor (Professional)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
MARK TWAIN ASSOCIATION FOR MENTAL HEALTH, INC.
Case Management
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
MEGAN E WILSON PLPC
Counselor (Professional)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
MARK TWAIN ASSOCIATION FOR MENTAL HEALTH, INC
Community/Behavioral Health
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
JILL KAY MILLER LCSW
Social Worker (Clinical)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
HOLLY L SCHARNHORST LPC
Counselor (Professional)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120
ASHLEY A RUSH PLPC
Counselor (Professional)
154 FORREST DR
HANNIBAL, MO 63401
Marion County (573) 221-2120

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 Shay Mayer's NPI number?

The NPI number for Shay Mayer is 1013593003. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Shay Mayer located?

Shay Mayer practices at 154 Forrest Dr, Hannibal, MO 63401. The listed phone number is (573) 221-2120.

What is Shay Mayer's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Shay Mayer enrolled in Medicare?

Yes. Shay Mayer 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 organization bills Medicare for Shay Mayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shay Mayer reassigns Medicare benefits to Mark Twain Association For Mental Health, Inc. (Hannibal, MO). The 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 Shay Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shay Mayer accept?

Health plans from Anthem Blue Cross and Blue Shield list Shay Mayer 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.

When was this NPI record last updated?

The NPPES record for Shay Mayer was last updated on March 22, 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.