James Warren Irwin, R.PH.
Pharmacist · Longview, TX
James Warren Irwin, R.PH. is a pharmacist with a practice address in Longview, Texas, and NPI 1427281021, issued on Aug 29, 2009. Check the license (Texas 18671, 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
- James Warren Irwin
- Credential
- R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 18671 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2321 W Loop 281, Longview, TX 75604
- Phone
- (903) 297-0558
- Enumerated
- Aug 29, 2009
- Record last updated
- Aug 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (903) 297-7496
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 18,541 in Texas → Look up another NPI →
Also registered at 2321 W Loop 281
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Haygood, R.PH.Pharmacist1316655392
Verify James Warren Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 18671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Warren Irwin among 18,541 pharmacist records in Texas
James Warren Irwin, R.PH. 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).
94 pharmacist records list a practice address in Longview
They are 94 of the 2,066 NPPES records with a practice address in Longview, 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 Longview → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Nebolisa Agupusi, PHARMDLongview, TX 756041053922930
- Fred Albert, RPHLongview, TX 756041568798171
- Nikki Aylor, PHARMDLongview, TX 756041134456411
- Larry Baker, R.PH.Longview, TX 756041134769771
- Gary BakerLongview, TX 756041932703386
- James DelongLongview, TX 756041588263321
- Deana Harkness, RPHLongview, TX 756041669709721
- Sonya Holman, RPHLongview, TX 756041619357357
Common questions
What is James Warren Irwin, R.PH.'s NPI number?
James Warren Irwin, R.PH.'s National Provider Identifier (NPI) is 1427281021, issued on Aug 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Warren Irwin, R.PH. located?
The NPPES record lists a practice address at 2321 W Loop 281, Longview, TX, 75604. Phone: (903) 297-0558. Providers update this record themselves, so call before visiting.
How can I verify James Warren Irwin, R.PH.'s license?
NPPES lists Texas license number 18671, 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.