Sandra O'Neil-Callahan, WHNP-BC
NPI 1114279502 · Women's Health Nurse Practitioner · St. Louis, MO
Sandra O'Neil-Callahan, WHNP-BC is a Women's Health Nurse Practitioner provider in St. Louis, MO (NPI 1114279502).
Provider details
- NPI number
- 1114279502
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- WHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 2012033869 (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 tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$175 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-09
- Last updated
- 2013-07-23
Frequently asked questions
- What is Sandra O'Neil-Callahan's NPI number?
- Sandra O'Neil-Callahan's National Provider Identifier (NPI) is 1114279502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra O'Neil-Callahan's specialty?
- Sandra O'Neil-Callahan is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra O'Neil-Callahan located?
- Sandra O'Neil-Callahan's practice location on file with NPPES is 4251 Forest Park Avenue, St. Louis, MO 63108.
- What is Sandra O'Neil-Callahan's phone number?
- The practice phone number listed in the NPPES registry for Sandra O'Neil-Callahan is (314) 531-7526.
- Is Sandra O'Neil-Callahan's NPI active?
- Yes — Sandra O'Neil-Callahan's NPI (1114279502) is active in the NPPES registry as of the last update on 2013-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.