NPPES file of Aug 9, 2026

Raymundo Castillo, PA

Medical Physician Assistant · Brownsville, TX

Raymundo Castillo, PA is a medical physician assistant with a practice address in Brownsville, Texas, and NPI 1891137576, issued on Jul 23, 2013. Check the license (Texas PA08398, 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
1891137576
Name
Raymundo Castillo
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA08398 TX
Self-reported in NPPES; status is on the state search
Practice location
3302 Boca Chica Blvd, Brownsville, TX 78521
Phone
(956) 982-1001
Enumerated
Jul 23, 2013
Record last updated
Jul 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(956) 550-9393
Medicare enrollment
Enrolled (PECOS I20131216000741); 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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Also registered at 3302 Boca Chica Blvd

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

  1. Elizabeth Betz, NPFamily Nurse Practitioner1942572771
  2. Nathaniel GarciaPhysician Assistant1699207951
  3. Evelyn Jimenez, PA-CMedical Physician Assistant1992435309
  4. Gregory Johnson, MDEmergency Medicine Physician1801985056
  5. Hanifath LawaniPharmacist1720680432
  6. Daniel Martinez, PT, DPTPhysical Therapist1801148267

Verify Raymundo Castillo 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 PA08398
    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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3.7 times the Medicare Part D claims of the average medical physician assistant in 2024

4,285 Medicare Part D claims for 1,396 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 141 claims were for opioids.

  1. Raymundo Castillo4,285
  2. Specialty average1,148

Most prescribed

  1. Azithromycin204 claims
  2. Amoxicillin-Clavulanate Potass159 claims
  3. Metformin Hcl140 claims
  4. Atorvastatin Calcium132 claims
  5. Ciprofloxacin Hcl130 claims
  6. Lisinopril119 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: $60.49

4 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Raymundo Castillo$60.49
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. C.L. Anderson, JR., M.D., PLLCHarlingen, TX

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

Raymundo Castillo among 2,146 medical physician assistant records in Texas

Raymundo Castillo, PA is one of 2,146 medical physician assistant records with a practice address in Texas. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 58% of them.

  • NPI issued2013 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2012 · median 2012 among the 953 with a school on file
  • Record last updated2013 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 medical physician assistant records list a practice address in Brownsville

They are 23 of the 1,671 NPPES records with a practice address in Brownsville, and 2,146 medical physician assistant records in Texas.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Armando Flores, PABrownsville, TX 785211780681494
  2. Gustavo Garza, PABrownsville, TX 785211033775895
  3. Curtis Hanson, PA-CBrownsville, TX 785211437732773
  4. Eder Hernandez, MPAS, PA-CBrownsville, TX 785211386956852
  5. Evelyn Jimenez, PA-CBrownsville, TX 785211992435309
  6. Glenda Loza, PABrownsville, TX 785211639933179
  7. Edna Michi, PABrownsville, TX 785211992293906
  8. Sari Miller, PA-CBrownsville, TX 785211669579520

Common questions

What is Raymundo Castillo, PA's NPI number?

Raymundo Castillo, PA's National Provider Identifier (NPI) is 1891137576, issued on Jul 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Raymundo Castillo, PA located?

The NPPES record lists a practice address at 3302 Boca Chica Blvd, Brownsville, TX, 78521. Phone: (956) 982-1001. Providers update this record themselves, so call before visiting.

How can I verify Raymundo Castillo, PA's license?

NPPES lists Texas license number PA08398, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Raymundo Castillo, PA prescribe under Medicare Part D?

In 2024, Raymundo Castillo, PA had 4,285 Medicare Part D claims for 1,396 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.