MR. LACY HOWARD RAINEY JR. FNP
NPI 1285941211
Nurse Practitioner - Family in San Marcos, TX

Active since September 13, 2010PECOS Enrolled
1941 S INTERSTATE 35, SAN MARCOS, TX 78666(210) 233-7000(512) 392-2567 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 4, 2025, Jul 21, 2022, Aug 8, 2017 (3 updates tracked since 2017).

About Mr. Lacy Howard Rainey Jr. Fnp NPPES

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

MR. LACY HOWARD RAINEY JR. FNP (NPI 1285941211) is an individual family provider in San Marcos, Texas, licensed in Texas (AP119266) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285941211
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. LACY HOWARD RAINEY JR.Credential: FNP
Location Address1941 S INTERSTATE 35San Marcos, TX 78666-6168
Mailing Address3066 E Commerce StSan Antonio, TX 78220-1013 · (210) 233-7000 · Fax (210) 277-6387
Fax(512) 392-2567
Sole ProprietorNo
Enumeration DateSeptember 13, 2010
Last NPPES UpdateDecember 4, 20253 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1285941211 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 · AP119266
1941 S INTERSTATE 35, San Marcos, TX 78666

Other Identifiers 1

Medicaid282357701TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Lacy Howard Rainey Jr. Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Lacy Rainey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
1941 S INTERSTATE 35 STE 101
San Marcos, TX 78666
  • Reassigned Medicare billing, Texas enrollment
  • 268 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1941 S INTERSTATE 35
SAN MARCOS, TX 78666
Nurse Practitioner (Family)
1941 S INTERSTATE 35
SAN MARCOS, TX 78666
Nurse Practitioner (Family)
1941 S INTERSTATE 35
SAN MARCOS, TX 78666

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 Lacy Rainey's NPI number?

The NPI number for Lacy Rainey is 1285941211. It was assigned to this individual provider in the NPPES registry on September 13, 2010.

Where is Lacy Rainey located?

Lacy Rainey practices at 1941 S Interstate 35, San Marcos, TX 78666. The listed phone number is (210) 233-7000.

What is Lacy Rainey's specialty?

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

Is Lacy Rainey enrolled in Medicare?

Yes. Lacy Rainey is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lacy Rainey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lacy Rainey reassigns Medicare benefits to Barrio Comprehensive Family Health Care Center, Inc. (San Marcos, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lacy Rainey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lacy Rainey accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Lacy Rainey 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 Lacy Rainey was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.