NPPES file of Aug 9, 2026

Matthew Robert Mullen, FNP-C

Nurse Practitioner · Austin, TX

Matthew Robert Mullen, FNP-C is a nurse practitioner with a practice address in Austin, Texas, and NPI 1528449626, issued on Jun 15, 2015. Check the license (Texas AP128329, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528449626
Name
Matthew Robert Mullen
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
AP128329 TX
766565 TX
Self-reported in NPPES; status is on the state search
Practice location
5306 Downs Dr, Austin, TX 78721
Phone
(210) 663-1622
Enumerated
Jun 15, 2015
Record last updated
Apr 29, 2026
Medicare enrollment
Enrolled (PECOS I20150930001624); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Matthew Robert Mullen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP128329
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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91% fewer Medicare Part D claims than the average nurse practitioner in 2024

98 Medicare Part D claims for 59 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.

  1. Matthew Mullen98
  2. Specialty average1,109

Most prescribed

  1. Cephalexin17 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.

Bills Medicare through one group practice

  1. Longhorn Emergency Medical Associates PAAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Robert Mullen among 4,825 nurse practitioner records in Texas

Matthew Robert Mullen, FNP-C is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 35% of them.

  • NPI issued2015 · 35% of these records are older, 62% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2015 · median 2018 among the 2,618 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Texas

There are 4,825 nurse practitioner records in Texas.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Christine ParkerAustin, TX 787211801471214
  2. Maria Abernathy, RNAustin, TX 787221528103371
  3. Yanwei Chen, NPAustin, TX 787221710022090
  4. Christine Divin, FNPAustin, TX 787221285756734
  5. Margaret Taylor, NPAustin, TX 787221104961358
  6. Sarah Beckley, CPNPAustin, TX 787231720532070
  7. Elaine Cisneros, NPAustin, TX 787231952773442
  8. Tracy Kuper, RN, CPNPAustin, TX 787231104954015

Common questions

What is Matthew Robert Mullen, FNP-C's NPI number?

Matthew Robert Mullen, FNP-C's National Provider Identifier (NPI) is 1528449626, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Robert Mullen, FNP-C located?

The NPPES record lists a practice address at 5306 Downs Dr, Austin, TX, 78721. Phone: (210) 663-1622. Providers update this record themselves, so call before visiting.

How can I verify Matthew Robert Mullen, FNP-C's license?

NPPES lists Texas license number AP128329, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Robert Mullen, FNP-C prescribe under Medicare Part D?

In 2024, Matthew Robert Mullen, FNP-C had 98 Medicare Part D claims for 59 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.