Hector J. Castro, MD
Endocrinology, Diabetes & Metabolism Physician · Mesquite, TX
Hector J. Castro, MD is an endocrinology, diabetes & metabolism physician with a practice address in Mesquite, Texas, and NPI 1932107141, issued on Jul 12, 2005. Check the license (Texas L6737, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hector J. Castro
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- L6737 TX
Self-reported in NPPES; status is on the state search - Practice location
- 500 N Galloway Ave Ste 124, Mesquite, TX 75149
- Phone
- (972) 512-8092
- Enumerated
- Jul 12, 2005
- Record last updated
- Mar 21, 2023
- Fax
- (877) 451-0347
- Medicare enrollment
- Enrolled (PECOS I20040223001271); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Also registered at 500 N Galloway Ave Ste 124
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luis Gutierrez, DOFamily Medicine Physician1952961096
Verify Hector J. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
521 Medicare Part D claims for 145 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium37 claims
- Metformin Hcl31 claims
- Levothyroxine Sodium25 claims
- Amlodipine Besylate24 claims
- Lisinopril24 claims
- Pantoprazole Sodium18 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: $23.93
1 payment: food and beverage; the largest payer was Vifor Pharma, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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 2 group practices
- Lonestar Famicare ClinicArlington, TX
- Palo Pinto County Hospital DistrictMineral Wells, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hector J. Castro among 743 endocrinology, diabetes & metabolism physician records in Texas
Hector J. Castro, MD is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% 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, 94% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1991 · median 2004 among the 560 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Mesquite → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Sumana Gangi, M.DMesquite, TX 751491487679213
- Sreedevi Guttikonda, MBBSMesquite, TX 751491407050073
- Shalini Paturi, M.DMesquite, TX 751491215191754
- Fred Ciarochi, M.D.Duncanville, TX 751371023038973
- Omar Manlapaz, MDDuncanville, TX 751371730348426
- William Fears, MDDuncanville, TX 751161154364537
- Pooja Goel, MDDallas, TX 752011558948869
- Shreya Goyal, MDDallas, TX 752011245791854
Common questions
What is Hector J. Castro, MD's NPI number?
Hector J. Castro, MD's National Provider Identifier (NPI) is 1932107141, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hector J. Castro, MD located?
The NPPES record lists a practice address at 500 N Galloway Ave Ste 124, Mesquite, TX, 75149. Phone: (972) 512-8092. Providers update this record themselves, so call before visiting.
How can I verify Hector J. Castro, MD's license?
NPPES lists Texas license number L6737, 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 Hector J. Castro, MD prescribe under Medicare Part D?
In 2024, Hector J. Castro, MD had 521 Medicare Part D claims for 145 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.