NPPES file of Aug 9, 2026

John Michael Castro, PHARMD, BS, RPH

Pharmacist · Harlingen, TX

John Michael Castro, PHARMD, BS, RPH is a pharmacist with a practice address in Harlingen, Texas, and NPI 1861153876, issued on Jan 3, 2022. Check the license (Texas 51440, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1861153876
Name
John Michael Castro
Credential
PHARMD, BS, RPH
Primary taxonomy
Pharmacist 183500000X
License number
51440 TX
Self-reported in NPPES; status is on the state search
Practice location
2325 S 77 Sunshinestrip, Harlingen, TX 78550
Phone
(956) 423-2986
Enumerated
Jan 3, 2022
Record last updated
May 24, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pharmacist records → All 18,541 in Texas → Look up another NPI →

Also registered at 2325 S 77 Sunshinestrip

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ruben Atencio, R.PH.Pharmacist1942263041
  2. Michael Murphy, R.PH.Pharmacist1508086414
  3. Kim Torres, PHARM.D.Pharmacist1639491665
  4. Chiderah UgbajaPharmacist1144934951

Verify John Michael Castro 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 51440    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
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Michael Castro among 18,541 pharmacist records in Texas

John Michael Castro, PHARMD, BS, RPH 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 2022, is newer than 80% of them.

  • NPI issued2022 · 80% of these records are older, 14% 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 updated2023 · 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).

97 pharmacist records list a practice address in Harlingen

They are 97 of the 2,419 NPPES records with a practice address in Harlingen, 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 Harlingen → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Ruben Atencio, R.PH.Harlingen, TX 785501942263041
  2. David BernhardHarlingen, TX 785501902068687
  3. Stephen Grayson, PHARM.D.Harlingen, TX 785501346401940
  4. Daniel Hernandez, RPH.Harlingen, TX 785501861554685
  5. Jose Muniz, RPHHarlingen, TX 785501902096290
  6. Jose Muniz, PHARM.D.Harlingen, TX 785501497086995
  7. Michael Murphy, R.PH.Harlingen, TX 785501508086414
  8. Cally Nlemchy, PHARMDHarlingen, TX 785501811218399

Common questions

What is John Michael Castro, PHARMD, BS, RPH's NPI number?

John Michael Castro, PHARMD, BS, RPH's National Provider Identifier (NPI) is 1861153876, issued on Jan 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Castro, PHARMD, BS, RPH located?

The NPPES record lists a practice address at 2325 S 77 Sunshinestrip, Harlingen, TX, 78550. Phone: (956) 423-2986. Providers update this record themselves, so call before visiting.

How can I verify John Michael Castro, PHARMD, BS, RPH's license?

NPPES lists Texas license number 51440, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.