Mary Katherine Gardner Dixon, CPNP-AC
Pediatric Nurse Practitioner · Houston, TX
Mary Katherine Gardner Dixon, CPNP-AC is a pediatric nurse practitioner with a practice address in Houston, Texas, and NPI 1346647880, issued on Nov 26, 2014. Check the license (Texas AP126928, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Gardner Dixon
- Credential
- CPNP-AC
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License numbers
- AP126928 TX
787974 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Nov 26, 2014
- Record last updated
- Mar 24, 2025
- Medicaid IDs
- 340908808 TX
340908809 TX - Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 2,220 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Katherine Gardner Dixon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP126928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average pediatric nurse practitioner in 2024
104 Medicare Part D claims for 17 beneficiaries, against an average of 206 among the 854 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $68.30
4 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Katherine Gardner Dixon among 2,220 pediatric nurse practitioner records in Texas
Mary Katherine Gardner Dixon, CPNP-AC is one of 2,220 pediatric nurse practitioner records with a practice address in Texas. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nurse Practitioner providers in Texas
There are 2,220 pediatric nurse practitioner records in Texas.
All 2,220 in Texas → Every provider in Houston → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Monique Berntsen, CPNPHouston, TX 770301619913027
- Christine Bollinger, RN, MS, CPNPHouston, TX 770301548340979
- Andrea Brooks, PHD, APRN, PPCNP-BCHouston, TX 770301447341037
- William Cook, ARNPHouston, TX 770301669490751
- Twiila Cox, NPHouston, TX 770301710990163
- Cori Guerin, RN, CPNPHouston, TX 770301528148871
- Tomika Harris, CPNPHouston, TX 770301710997523
- Heather Meador, RN, CPNPHouston, TX 770301043259922
Common questions
What is Mary Katherine Gardner Dixon, CPNP-AC's NPI number?
Mary Katherine Gardner Dixon, CPNP-AC's National Provider Identifier (NPI) is 1346647880, issued on Nov 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Gardner Dixon, CPNP-AC located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Gardner Dixon, CPNP-AC's license?
NPPES lists Texas license number AP126928, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Katherine Gardner Dixon, CPNP-AC prescribe under Medicare Part D?
In 2024, Mary Katherine Gardner Dixon, CPNP-AC had 104 Medicare Part D claims for 17 beneficiaries; the average among pediatric nurse practitioner prescribers was 206. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.