Rex Michael Mustard
Pharmacist · Round Rock, TX
Rex Michael Mustard is a pharmacist with a practice address in Round Rock, Texas, and NPI 1902135627, issued on Dec 8, 2009. Check the license (Texas 25913, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rex Michael Mustard
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 25913 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2220 S IH 35, Round Rock, TX 78681
- Phone
- (512) 244-3753
- Enumerated
- Dec 8, 2009
- Record last updated
- Dec 8, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 18,541 in Texas → Look up another NPI →
Also registered at 2220 S IH 35
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret ElliottPharmacist1477830099
- Christine Lanier, RPHPharmacist1700470754
- Thao Thai, PHARMDPharmacist1780912527
- Augusta UdeaniPharmacist1205771557
Verify Rex Michael Mustard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 25913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rex Michael Mustard among 18,541 pharmacist records in Texas
Rex Michael Mustard is one of 18,541 pharmacist records with a practice address in Texas. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 8% of them.
- NPI issued2009 · 8% of these records are older, 84% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 pharmacist records list a practice address in Round Rock
They are 120 of the 3,815 NPPES records with a practice address in Round Rock, and 18,541 pharmacist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 18,541 in Texas → Every provider in Round Rock → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Grant Armstrong, PHARMDRound Rock, TX 786811730417635
- Richard Cuellar, RPHRound Rock, TX 786811538396379
- Margaret ElliottRound Rock, TX 786811477830099
- Deborah Hannum, RPHRound Rock, TX 786811497988661
- Carol Jones, R.PH.Round Rock, TX 786811336202092
- Yunkyung Lee, PHARM.D.Round Rock, TX 786811295013753
- Sang Luong, PHARMDRound Rock, TX 786811235468828
- Thomas Pessia, PHARM D., RPHRound Rock, TX 786811629307418
Common questions
What is Rex Michael Mustard's NPI number?
Rex Michael Mustard's National Provider Identifier (NPI) is 1902135627, issued on Dec 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rex Michael Mustard located?
The NPPES record lists a practice address at 2220 S IH 35, Round Rock, TX, 78681. Phone: (512) 244-3753. Providers update this record themselves, so call before visiting.
How can I verify Rex Michael Mustard's license?
NPPES lists Texas license number 25913, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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. 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.