Sondra Mcclanahan, FNP
NPI 1487747879 · Family Nurse Practitioner · O Fallon, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sondra Mcclanahan, FNP is a Family Nurse Practitioner provider in O Fallon, MO (NPI 1487747879).
Provider details
- NPI number
- 1487747879
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 105589 (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
- 2006-09-30
- Last updated
- 2015-05-05
Frequently asked questions
- What is Sondra Mcclanahan's NPI number?
- Sondra Mcclanahan's National Provider Identifier (NPI) is 1487747879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sondra Mcclanahan's specialty?
- Sondra Mcclanahan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sondra Mcclanahan located?
- Sondra Mcclanahan's practice location on file with NPPES is 300 Winding Woods Dr, O Fallon, MO 63366-4771.
- What is Sondra Mcclanahan's phone number?
- The practice phone number listed in the NPPES registry for Sondra Mcclanahan is (636) 978-8600.
- Does Sondra Mcclanahan accept Medicare?
- Sondra Mcclanahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sondra Mcclanahan's NPI active?
- Yes — Sondra Mcclanahan's NPI (1487747879) is active in the NPPES registry as of the last update on 2015-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.