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OSCAR ARMENDARIZ
NPI 1649738998
Counselor - Mental Health in San Antonio, TX

Active since March 06, 2019PECOS EnrolledAccepts Medicare Assignment
5825 CALLAGHAN RD STE 200, SAN ANTONIO, TX 78228(832) 356-9843(210) 579-8578 Get Directions Write a Review

NPPES record last updated: September 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 3, 2024, Mar 6, 2019 (2 updates tracked since 2019).

About Oscar Armendariz NPPES

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

OSCAR ARMENDARIZ (NPI 1649738998) is an individual mental health provider in San Antonio, Texas, licensed in Texas (73663) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1649738998
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameOSCAR ARMENDARIZ
Location Address5825 CALLAGHAN RD STE 200San Antonio, TX 78228-1107
Mailing Address12223 Luckey SmtSan Antonio, TX 78252-2328 · (210) 412-0529
Phone(832) 356-9843
Fax(210) 579-8578
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 6, 2019
Last NPPES UpdateSeptember 3, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2024
✔ NPI 1649738998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in TX · 73663
5825 CALLAGHAN RD STE 200, San Antonio, TX 78228
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Oscar Armendariz is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032651609
PECOS Enrollment IDI20240611001703
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 Oscar Armendariz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Armendariz Counseling Incorporated
Same address
Professional
5825 CALLAGHAN RD STE 200
San Antonio, TX 78228
  • Reassigned Medicare billing, Texas enrollment
NPI 1265198485 (832) 356-9843

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

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.

ARMENDARIZ COUNSELING INCORPORATED
Counselor (Professional)
5825 CALLAGHAN RD STE 200
SAN ANTONIO, TX 78228
Bexar County (832) 356-9843
MS. KAREN LYNN PREWITT MA
Counselor (Mental Health)
5825 CALLAGHAN RD STE 200
SAN ANTONIO, TX 78228
Bexar County (210) 521-4833
MRS. MARIAN F RUBIO MA, LPC
Counselor (Professional)
5825 CALLAGHAN RD STE 200
SAN ANTONIO, TX 78228
Bexar County (210) 364-8663

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 Oscar Armendariz's NPI number?

The NPI number for Oscar Armendariz is 1649738998. It was assigned to this individual provider in the NPPES registry on March 6, 2019.

Where is Oscar Armendariz located?

Oscar Armendariz practices at 5825 Callaghan Rd Ste 200, San Antonio, TX 78228. The listed phone number is (832) 356-9843.

What is Oscar Armendariz's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Oscar Armendariz enrolled in Medicare?

Yes. Oscar Armendariz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Oscar Armendariz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Armendariz reassigns Medicare benefits to Armendariz Counseling Incorporated (San Antonio, 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 Oscar Armendariz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oscar Armendariz accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Oscar Armendariz 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 Oscar Armendariz was last updated on September 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.