MARY KATHERINE GARDNER DIXON CPNP-AC
NPI 1346647880
Nurse Practitioner - Pediatrics in Houston, TX
About Mary Katherine Gardner Dixon Cpnp-ac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATHERINE GARDNER DIXON CPNP-AC (NPI 1346647880) is an individual pediatrics provider in Houston, Texas, licensed in Texas (AP126928) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Accepted 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
Mary Katherine Gardner Dixon Cpnp-ac 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Dixon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,675 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Dixon's NPI number?
The NPI number for Mary Dixon is 1346647880. It was assigned to this individual provider in the NPPES registry on November 26, 2014. The provider is also known as Mary Katherine Gardner Cpnp-Ac.
Where is Mary Dixon located?
Mary Dixon practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is Mary Dixon's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Mary Dixon enrolled in Medicare?
Yes. Mary Dixon 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 organizations bill Medicare for Mary Dixon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Dixon reassigns Medicare benefits to 2 organizations: Physicians Referral Service (Houston, TX) and Texas Children's Physician Group (Houston, TX). Each 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 Dixon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Dixon accept?
Health plans from Moda Health Plan, Inc. list Mary Dixon 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 Dixon was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mary Katherine Gardner Dixon, CPNP-AC · NPI 1346647880
Pediatrics physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since November 26, 2014.
## Identity
- **NPI:** 1346647880 (Entity type: Individual)
- **Enumerated:** November 26, 2014
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** AP126928 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4000
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Physicians Referral Service (NPI 1073574810, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** March 24, 2025
- **Other identifiers:** Medicaid 340908808 (TX); Medicaid 340908809 (TX); Other 8JF130 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1346647880) · Data from the CMS NPPES public registry.