1. Home
  2. Directory
  3. Missouri
  4. Hannibal
  5. Counselor
  6. NPI Profile

CRYSTAL L NEFF PLPC
NPI 1013747435
Counselor - Professional in Hannibal, MO

Active since August 02, 2024PECOS Enrolled
154 FORREST DR, HANNIBAL, MO 63401(573) 221-2120(573) 221-4380 Get Directions Write a Review

NPPES record last updated: August 2, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Crystal L Neff Plpc NPPES

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

CRYSTAL L NEFF PLPC (NPI 1013747435) is an individual professional provider in Hannibal, Missouri, licensed in Missouri (2024029151) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1013747435
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameCRYSTAL L NEFFCredential: 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 2024
Enumeration DateAugust 2, 2024
NPPES CertifiedAugust 2, 2024
✔ NPI 1013747435 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 · 2024029151
154 FORREST DR, Hannibal, MO 63401
Open in Google Maps ↗

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 (PECOS)

Crystal L Neff Plpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7911464235
PECOS Enrollment IDI20260806002650
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 Crystal Neff 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.

SHAY M MAYER 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 Crystal Neff's NPI number?

The NPI number for Crystal Neff is 1013747435. It was assigned to this individual provider in the NPPES registry on August 2, 2024.

Where is Crystal Neff located?

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

What is Crystal Neff's specialty?

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

Is Crystal Neff enrolled in Medicare?

Yes. Crystal Neff is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Crystal Neff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Neff 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 Crystal Neff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Crystal Neff 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 2 other insurers list Crystal Neff 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 Crystal Neff was last updated on August 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.