Juan G. Castillo, M.D.
Family Medicine Physician · Edinburg, TX
Juan G. Castillo, M.D. is a family medicine physician with a practice address in Edinburg, Texas, and NPI 1457333411, issued on Nov 16, 2005. Check the license (Texas M1042, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Juan G. Castillo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- M1042 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3601 S Business Highway 281, Edinburg, TX 78539
- Phone
- (956) 271-0131
- Enumerated
- Nov 16, 2005
- Record last updated
- Mar 17, 2026
- Fax
- (888) 815-0809
- Medicaid ID
- 190222101 TX
- Medicare enrollment
- Enrolled (PECOS I20050621000066); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 3601 S Business Highway 281
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Ruiz, MSN, APRN, FNP-BCFamily Nurse Practitioner1619584711
Verify Juan G. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M1042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,700 Medicare Part D claims for 996 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 198 claims were for opioids.
Most prescribed
- Atorvastatin Calcium490 claims
- Losartan Potassium331 claims
- Metformin Hcl291 claims
- Famotidine282 claims
- Amlodipine Besylate226 claims
- Lisinopril226 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: $88.01
4 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Centerwell Senior Primary Care TX PAEdinburg, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juan G. Castillo among 11,119 family medicine physician records in Texas
Juan G. Castillo, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · median 2004 among the 7,095 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 family medicine physician records list a practice address in Edinburg
They are 62 of the 2,724 NPPES records with a practice address in Edinburg, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Edinburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maria Arango, MDEdinburg, TX 785391053313809
- Dario Arango, MDEdinburg, TX 785391437151289
- Diana Cortinas, MDEdinburg, TX 785391669480976
- Marin Garza, MDEdinburg, TX 785391164481834
- Jesus Garza-Tamez, M.D.Edinburg, TX 785391891773305
- Desmond Ikondu, MDEdinburg, TX 785391053393983
- Jose Lopez, MDEdinburg, TX 785391053383810
- Maria Madrid, MDEdinburg, TX 785391457312365
Common questions
What is Juan G. Castillo, M.D.'s NPI number?
Juan G. Castillo, M.D.'s National Provider Identifier (NPI) is 1457333411, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Juan G. Castillo, M.D. located?
The NPPES record lists a practice address at 3601 S Business Highway 281, Edinburg, TX, 78539. Phone: (956) 271-0131. Providers update this record themselves, so call before visiting.
How can I verify Juan G. Castillo, M.D.'s license?
NPPES lists Texas license number M1042, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Juan G. Castillo, M.D. prescribe under Medicare Part D?
In 2024, Juan G. Castillo, M.D. had 7,700 Medicare Part D claims for 996 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.