Jaime D. Castillo, M.D.
Internal Medicine Physician · Houston, MS
Jaime D. Castillo, M.D. is an internal medicine physician with a practice address in Houston, Mississippi, and NPI 1538179536, issued on Aug 9, 2006. Check the license (Mississippi 18283, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jaime D. Castillo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18283 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1002 E Madison St, Houston, MS 38851
- Phone
- (662) 456-3000
- Enumerated
- Aug 9, 2006
- Record last updated
- Jan 18, 2024
- Fax
- (662) 456-9439
- Medicaid ID
- 07421365 MS
- Medicare enrollment
- Enrolled (PECOS I20040422000998); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1002 E Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Cromwell, CRNACertified Registered Nurse Anesthetist1154340776
- Jacob Davis, FNP-CFamily Nurse Practitioner1801780283
- Bethany Free, FNP- BCFamily Nurse Practitioner1235736778
- Katie Gann, CFNPFamily Nurse Practitioner1508154501
- Noel Garcia, M.D.Internal Medicine Physician1053322842
- Edward Gore, MDFamily Medicine Physician1205802584
Verify Jaime D. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 18283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average internal medicine physician in 2024
16,692 Medicare Part D claims for 685 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 2,063 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen946 claims
- Oxycodone-Acetaminophen777 claims
- Gabapentin716 claims
- Prednisone576 claims
- Hydroxychloroquine Sulfate555 claims
- Methotrexate447 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: $2,132.28
101 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Progressive Health OF Houston LLCHouston, MS
- Southern Health Corp OF Houston, Inc.Houston, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jaime D. Castillo among 972 internal medicine physician records in Mississippi
Jaime D. Castillo, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2008 among the 585 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Houston
They are 3 of the 58 NPPES records with a practice address in Houston, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Noel Garcia, M.D.Houston, MS 388511053322842
- Derek Moeller, M.D.Houston, MS 388511184725558
- Donald Robertson, DOIuka, MS 388521538297593
- James Rhinewalt, MDSaltillo, MS 388661669760609
- Hussam Chaudhry, DOCorinth, MS 388341134965007
- Andrew DosdosCorinth, MS 388341538058748
- Mark Grimes, MDCorinth, MS 388341568140713
- Imabong Idim, MDCorinth, MS 388341215827001
Common questions
What is Jaime D. Castillo, M.D.'s NPI number?
Jaime D. Castillo, M.D.'s National Provider Identifier (NPI) is 1538179536, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jaime D. Castillo, M.D. located?
The NPPES record lists a practice address at 1002 E Madison St, Houston, MS, 38851. Phone: (662) 456-3000. Providers update this record themselves, so call before visiting.
How can I verify Jaime D. Castillo, M.D.'s license?
NPPES lists Mississippi license number 18283, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jaime D. Castillo, M.D. prescribe under Medicare Part D?
In 2024, Jaime D. Castillo, M.D. had 16,692 Medicare Part D claims for 685 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.