Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Patricia Rouisse Ballentine, R.N., MSN, FNP-C

Family Nurse Practitioner in San Marcos, TX · enumerated 2006 · practices at T A Castoldi & Associates.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1770688210

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Registry record

Entity type Individual (Type 1)

Name Ms. Patricia Rouisse Ballentine

Credential R.N., MSN, FNP-C

Sex Female

Practice address 310 Stagecoach Trl, Suite 200a, San Marcos, TX, 78666

Phone (512) 396-4700

Fax (512) 396-4796

Enumeration date Sep 13, 2006

Last updated in NPPES Jun 17, 2016

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 504232 (TX) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Other identifiers

Identifier	Type	State	Issuer
851N29	Other	TX	BCBS TX

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Patricia Ballentine?

The National Provider Identifier (NPI) for Patricia Ballentine is 1770688210, a Type 1 (individual) record in the CMS NPPES registry.

Where does Patricia Ballentine practice?

The practice location on file with NPPES is in San Marcos, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Larry Molenda General Practice Dentistry · San Marcos, TX NPI 1639176720 Thea Dake Clinical Social Worker · San Marcos, TX NPI 1326031592 Theodore Dake Specialist · San Marcos, TX NPI 1073506234 George Grant Oral and Maxillofacial Surgery (Dentist) · San Marcos, TX NPI 1871566984 William Rogers Adult Medicine Physician · San Marcos, TX NPI 1619041415 Joseph Sullivan General Practice Dentistry · San Marcos, TX NPI 1811048465 T A Castoldi & Associates General Practice Physician · San Marcos, TX NPI 1366752453

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-17.