Nancy M. Birtley, LLC
NPI 1003933631 · Adult Psychiatric/Mental Health Clinical Nurse Specialist · Saint Peters, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy M. Birtley, LLC is a Adult Psychiatric/Mental Health Clinical Nurse Specialist organization in Saint Peters, MO (NPI 1003933631).
Provider details
- NPI number
- 1003933631
- Entity type
- Organization
- Primary specialty
- Adult Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Patrice Flanagan, Practice Manager(636) 244-4500
- License
- 107603 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2007-11-21
Frequently asked questions
- What is Nancy M. Birtley, LLC's NPI number?
- Nancy M. Birtley, LLC's National Provider Identifier (NPI) is 1003933631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nancy M. Birtley, LLC?
- Nancy M. Birtley, LLC is classified in the NPPES registry as Adult Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy M. Birtley, LLC located?
- Nancy M. Birtley, LLC's practice location on file with NPPES is 6209 Mid Rivers Mall Dr, Saint Peters, MO 63304-1102.
- What is Nancy M. Birtley, LLC's phone number?
- The practice phone number listed in the NPPES registry for Nancy M. Birtley, LLC is (636) 244-4500.
- Does Nancy M. Birtley, LLC accept Medicare?
- Nancy M. Birtley, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Nancy M. Birtley, LLC?
- The authorized official listed on Nancy M. Birtley, LLC's NPPES record is Patrice Flanagan, Practice Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nancy M. Birtley, LLC's NPI active?
- Yes — Nancy M. Birtley, LLC's NPI (1003933631) is active in the NPPES registry as of the last update on 2007-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.