ELIZABETH D NAILLING
NPI 1124509609
Counselor - Mental Health in Saint Louis, MO

Active since August 23, 2018PECOS EnrolledAccepts Medicare Assignment
1430 OLIVE ST STE 500, SAINT LOUIS, MO 63103(314) 206-3700 Get Directions Write a Review

NPPES record last updated: August 23, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Elizabeth D Nailling NPPES

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

ELIZABETH D NAILLING (NPI 1124509609) is an individual mental health provider in Saint Louis, Missouri and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1124509609
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameELIZABETH D NAILLING
Location Address1430 OLIVE ST STE 500Saint Louis, MO 63103-2377
Mailing Address820 W Marietta St Nw Apt 1429Atlanta, GA 30318-8042
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 23, 2018
✔ NPI 1124509609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1430 OLIVE ST STE 500, Saint Louis, MO 63103

Accepted 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

Elizabeth D Nailling 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 ID7113388687
PECOS Enrollment IDI20230731003033
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 Elizabeth Nailling reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical
1738 WYNKOOP ST STE 303
Denver, CO 80202
  • Reassigned Medicare billing, Georgia enrollment
  • 206 clinicians in this Medicare group
Clinical
6203 SAN IGNACIO AVE STE 110
San Jose, CA 95119
  • Reassigned Medicare billing, North Carolina enrollment
  • 108 clinicians in this Medicare group

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.

Social Worker
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Social Worker
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Social Worker (Clinical)
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Case Manager/Care Coordinator
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Case Manager/Care Coordinator
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Case Manager/Care Coordinator
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Counselor
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103
Case Manager/Care Coordinator
1430 OLIVE ST STE 500
SAINT LOUIS, MO 63103

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 Elizabeth Nailling's NPI number?

The NPI number for Elizabeth Nailling is 1124509609. It was assigned to this individual provider in the NPPES registry on August 23, 2018.

Where is Elizabeth Nailling located?

Elizabeth Nailling practices at 1430 Olive St Ste 500, Saint Louis, MO 63103. The listed phone number is (314) 206-3700.

What is Elizabeth Nailling's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Elizabeth Nailling enrolled in Medicare?

Yes. Elizabeth Nailling 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 Elizabeth Nailling's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Nailling reassigns Medicare benefits to 2 organizations: Sondermind Provider Network LLC (Denver, CO) and Sondermind PC (San Jose, CA). 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 Elizabeth Nailling's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Nailling accept?

Health plans from CareSource, Cigna Healthcare and UnitedHealthcare list Elizabeth Nailling 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 Elizabeth Nailling was last updated on August 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.