1. Home
  2. Directory
  3. Texas
  4. Corpus Christi
  5. Counselor
  6. NPI Profile

MARY RUTH MONTELONGO
NPI 1255981148
Counselor - Professional in Corpus Christi, TX

Active since September 12, 2019PECOS Enrolled
5866 S STAPLES ST STE 102, CORPUS CHRISTI, TX 78413(361) 563-8619(361) 334-1574 Get Directions Write a Review

NPPES record last updated: April 1, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 1, 2021, Sep 12, 2019 (2 updates tracked since 2019).

About Mary Ruth Montelongo NPPES

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

MARY RUTH MONTELONGO (NPI 1255981148) is an individual professional provider in Corpus Christi, Texas, licensed in Texas (78764) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Angelo.

NPPES Registry Identity

NPI1255981148
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARY RUTH MONTELONGO
Location Address5866 S STAPLES ST STE 102Corpus Christi, TX 78413-3769
Mailing Address4929 Bermuda DrSan Angelo, TX 76904-7206 · (325) 650-6544
Phone(361) 563-8619
Fax(361) 334-1574
Sole ProprietorYes
Enumeration DateSeptember 12, 2019
Last NPPES UpdateApril 1, 20212 updates tracked since enumeration
NPPES CertifiedApril 1, 2021
✔ NPI 1255981148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in TX · 78764
5866 S STAPLES ST STE 102, Corpus Christi, TX 78413
Open in Google Maps ↗

Secondary Practice Location 1

Location 13115 Loop 306 Ste 103San Angelo, TX 76904-5995 · Phone (361) 563-8619

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Ruth Montelongo 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 Mary Montelongo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Deer Oaks Geriatric Services P C
145 mi
Clinical
7272 WURZBACH RD, SUITE 706
San Antonio, TX 78240
  • Reassigned Medicare billing, Texas enrollment
  • 296 clinicians in this Medicare group
NPI 1134169287 (210) 615-3405

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

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

WAVES OF COMPASSION COUNSELING PLLC
Counselor (Professional)
5866 S STAPLES ST STE 102
CORPUS CHRISTI, TX 78413
Nueces County (361) 563-8619

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 Mary Montelongo's NPI number?

The NPI number for Mary Montelongo is 1255981148. It was assigned to this individual provider in the NPPES registry on September 12, 2019.

Where is Mary Montelongo located?

Mary Montelongo practices at 5866 S Staples St Ste 102, Corpus Christi, TX 78413. The listed phone number is (361) 563-8619.

What is Mary Montelongo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Mary Montelongo enrolled in Medicare?

Yes. Mary Montelongo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Montelongo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Montelongo reassigns Medicare benefits to Deer Oaks Geriatric Services P C (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 Mary Montelongo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Montelongo accept?

Health plans from Blue Cross and Blue Shield of Texas list Mary Montelongo 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 Mary Montelongo was last updated on April 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.