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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. MARY CATHERINE BLACKWELL-GARNER MSN, CNS, LMFT
NPI 1497735716
Marriage & Family Therapist in Houston, TX

Active since January 20, 2006PECOS Enrolled
1214 N POST OAK RD STE 100, HOUSTON, TX 77055(713) 686-9194(713) 686-9413 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 15, 2026, Apr 18, 2022 (2 updates tracked since 2022).

About Mrs. Mary Catherine Blackwell-garner Msn, Cns, Lmft NPPES

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

MRS. MARY CATHERINE BLACKWELL-GARNER MSN, CNS, LMFT (NPI 1497735716) is an individual marriage & family therapist in Houston, Texas, licensed in Texas (4593) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Austin.

NPPES Registry Identity

NPI1497735716
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. MARY CATHERINE BLACKWELL-GARNERCredential: MSN, CNS, LMFT
Location Address1214 N POST OAK RD STE 100Houston, TX 77055-7236
Mailing Address101 Feu Follet Rd Ste 100Lafayette, LA 70508-4234 · (713) 686-9194 · Fax (713) 686-9413
Phone(713) 686-9194
Fax(713) 686-9413
Sole ProprietorYes
Enumeration DateJanuary 20, 2006
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1497735716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in TX · 4593
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedClinical Nurse SpecialistTaxonomy 364S00000X · License 552483 (TX)
1214 N POST OAK RD STE 100, Houston, TX 77055
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Secondary Practice Location 1

Location 114205 N MoPac Expy, Ste 570 PMB 402404Austin, TX 78728 · Phone (512) 222-8759 · Fax (570) 750-0837

Other Identifiers 1

Medicaid146371304TX

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 (PECOS)

Mrs. Mary Catherine Blackwell-garner Msn, Cns, Lmft 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 Catherine Blackwell-garner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Deblin Health Concepts & Associates, LLC
Same address
Professional
1214 N POST OAK RD STE 100
Houston, TX 77055
  • Reassigned Medicare billing, Texas enrollment
  • 38 clinicians in this Medicare group
NPI 1063492320 (713) 686-9194

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 18

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

ANTHONY FERNANDEZ LCSW
Social Worker (Clinical)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
DEBLIN HEALTH CONCEPTS & ASSOCIATES, LLC
Counselor (Professional)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
ANASTACIA MEDINA P.T.A.
Community Health Worker
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 880-4400
MS. KINO LEWIS LPC
Counselor (Professional)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
AMANDA BROWN
Case Manager/Care Coordinator
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
MS. DEBRA R JACKSON LCSW
Social Worker (Clinical)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
MS. JESSICA MARTINEZ M.S, LPC
Counselor (Professional)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194
MRS. BRANDI RACHAE' CELESTINE LPC
Counselor (Professional)
1214 N POST OAK RD STE 100
HOUSTON, TX 77055
Harris County (713) 686-9194

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 Catherine Blackwell-garner's NPI number?

The NPI number for Mary Catherine Blackwell-garner is 1497735716. It was assigned to this individual provider in the NPPES registry on January 20, 2006.

Where is Mary Catherine Blackwell-garner located?

Mary Catherine Blackwell-garner practices at 1214 N Post Oak Rd Ste 100, Houston, TX 77055. The listed phone number is (713) 686-9194.

What is Mary Catherine Blackwell-garner's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Mary Catherine Blackwell-garner enrolled in Medicare?

Yes. Mary Catherine Blackwell-garner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Catherine Blackwell-garner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Catherine Blackwell-garner reassigns Medicare benefits to Deblin Health Concepts & Associates, LLC (Houston, 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 Catherine Blackwell-garner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Catherine Blackwell-garner 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 Mary Catherine Blackwell-garner 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 Catherine Blackwell-garner was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.