Gretchen Sinclair FNP
About this NPIWhat this record shows.
NPI 1881903649 is registered to Gretchen Sinclair FNP, a Nurse Practitioner practising at 4800 Fredericksburg Rd, Suite 127 in San Antonio, Texas. Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Gretchen Sinclair FNP has been enumerated in the National Provider Identifier (NPI) registry since 2010.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 7 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20110310000748Nurse PractitionerTX
- I20240916002250Nurse PractitionerAR
- I20241212002080Nurse PractitionerAZ
- I20241217001421Nurse PractitionerIA
- I20250401002844Nurse PractitionerIL
- I20260203004005Nurse PractitionerPA
- I20260225003789Nurse PractitionerCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Gretchen Sinclair FNP accepts. To confirm in-network status with your specific health plan, contact Gretchen Sinclair FNP directly at (210) 733-5072.
Frequently asked
Yes. NPI 1881903649 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (210) 733-5072.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Gretchen Sinclair FNP is a Type-1 individual NPI.