Susan Mercier, NNP
NPI 1043238322 · Neonatal Nurse Practitioner · San Antonio, TX
Susan Mercier, NNP is a Neonatal Nurse Practitioner provider in San Antonio, TX (NPI 1043238322).
Provider details
- NPI number
- 1043238322
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP108321 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-07-17
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Susan Mercier's NPI number?
- Susan Mercier's National Provider Identifier (NPI) is 1043238322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Mercier's specialty?
- Susan Mercier is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Mercier located?
- Susan Mercier's practice location on file with NPPES is 5430 Fredericksburg Rd Ste 508, San Antonio, TX 78229-3561.
- What is Susan Mercier's phone number?
- The practice phone number listed in the NPPES registry for Susan Mercier is (210) 541-8281.
- Is Susan Mercier's NPI active?
- Yes — Susan Mercier's NPI (1043238322) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.