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BILLIE NANETTE CORWIN FNP-C
NPI 1881446631
Nurse Practitioner - Family in San Marcos, TX

Active since April 04, 2024PECOS Enrolled
151 STAGECOACH TRL STE 105, SAN MARCOS, TX 78666(737) 213-1271 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 14, 2026, Feb 27, 2025, May 6, 2024 and 1 more (4 updates tracked since 2024).

About Billie Nanette Corwin Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BILLIE NANETTE CORWIN FNP-C (NPI 1881446631) is an individual family provider in San Marcos, Texas, licensed in Texas (1156416) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1881446631
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameBILLIE NANETTE CORWINCredential: FNP-C
Location Address151 STAGECOACH TRL STE 105San Marcos, TX 78666-3863
Mailing AddressPo Box 5730Belfast, ME 04915-5700
Phone(737) 213-1271
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateApril 4, 2024
Last NPPES UpdateMay 14, 20264 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1881446631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1156416
151 STAGECOACH TRL STE 105, San Marcos, TX 78666
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Other Names 1

Other Name (5)Nanette Billie Corwin Fnp-c

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Billie Nanette Corwin Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385085364
PECOS Enrollment IDI20240508000865
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 99345
A new patient home visit is a comprehensive 75-minute appointment conducted at your home. The healthcare professional will assess your health, discuss any concerns, and create a personalized care plan. It's convenient, comfortable, and tailored to your specific needs.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Billie Corwin's NPI number?

The NPI number for Billie Corwin is 1881446631. It was assigned to this individual provider in the NPPES registry on April 4, 2024. The provider is also known as Nanette Billie Corwin Fnp-C.

Where is Billie Corwin located?

Billie Corwin practices at 151 Stagecoach Trl Ste 105, San Marcos, TX 78666. The listed phone number is (737) 213-1271.

What is Billie Corwin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Billie Corwin enrolled in Medicare?

Yes. Billie Corwin is registered in the Medicare PECOS enrollment system.

What insurance does Billie Corwin accept?

Health plans from Molina Healthcare and UnitedHealthcare list Billie Corwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Billie Corwin was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.