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NANCY M. BIRTLEY, LLC
NPI 1003933631
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Saint Peters, MO

Active since March 26, 2007
6209 MID RIVERS MALL DR, #317, SAINT PETERS, MO 63304(636) 244-4500(636) 244-4505 Get Directions Write a Review

NPPES record last updated: November 21, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nancy M. Birtley, Llc NPPES

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

NANCY M. BIRTLEY, LLC (NPI 1003933631) is a healthcare organization registered as a psychiatric/mental health, adult in Saint Peters, Missouri and active in the NPI registry since March 2007. The organization lists Patrice M Flanagan, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1003933631
Entity TypeOrganization
Primary Taxonomy364SP0809X
Legal Business NameNANCY M. BIRTLEY, LLC
Location Address6209 MID RIVERS MALL DR, #317Saint Peters, MO 63304-1102
Mailing Address6209 Mid Rivers Mall Dr, #317Saint Peters, MO 63304-1102 · (636) 244-4500 · Fax (636) 244-4505
Phone(636) 244-4500
Fax(636) 244-4505
Organization SubpartNo
Authorized OfficialPatrice M FlanaganPractice Manager · (636) 244-4500
Enumeration DateMarch 26, 2007
Last NPPES UpdateNovember 21, 2007
✔ NPI 1003933631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental Health, AdultPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0809X
License✔ Licensed in MO · 107603
6209 MID RIVERS MALL DR, Saint Peters, MO 63304
Open in Google Maps ↗

Other Identifiers 1

OtherDC0679MO · Railroad Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy M. Birtley, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Nancy M. Birtley, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nancy Birtley, PMHNP
Nurse Practitioner
NPI 1689673956
6209 MID RIVERS MALL DR SUITE 317
Saint Peters, MO 63304
(636) 244-4500
✔ PECOS✔ Accepts MedicareSame address

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

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 Nancy M. Birtley, LLC's NPI number?

The NPI number for Nancy M. Birtley, LLC is 1003933631. It was assigned to this organization in the NPPES registry on March 26, 2007.

Where is Nancy M. Birtley, LLC located?

Nancy M. Birtley, LLC is located at 6209 Mid Rivers Mall Dr #317, Saint Peters, MO 63304. The listed phone number is (636) 244-4500.

What is Nancy M. Birtley, LLC's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 364SP0809X.

Is Nancy M. Birtley, LLC enrolled in Medicare?

Yes. Nancy M. Birtley, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nancy M. Birtley, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Nancy M. Birtley, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Nancy M. Birtley, LLC was last updated on November 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.