Juan Luis Ramirez Castaneda, M.D.
NPI 1275797680ActiveIndividual· Psychiatry & Neurology, Neurology· San Antonio, TX
Psychiatry & Neurology, Neurology (M.D.) with Methodist Physician Practices PLLC, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,224,525 for 2,129 claims, against $250,056 paid for services in 2024. Mdd US Operations, LLC was the largest of 17 companies reporting payments in 2025, $160,460 in all, mostly honoraria. Lists Baptist Medical Center as a hospital affiliation.
Overview
| NPI | 1275797680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 15, 2008 |
| Last updated in NPPES | May 8, 2023 |
| Certified by provider | May 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | P7838 | TX |
| Internal Medicine | 207R00000X | BP10031447 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 27,330 across 23 procedure codes |
| Paid by Medicare | $250,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,129 · 3,526 30-day fills |
|---|---|
| Patients | 263 |
| Total drug cost | $1,224,525 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Methodist Physician Practices PLLCLive Oak, TX · 175 clinicians
Hospital affiliation
- Baptist Medical CenterSan Antonio, TX
Other facilities
- Completecare Home Health and HospiceHome health agency · San Antonio, TX
- Warm Springs Rehab Hospital of San Antonio LLCInpatient rehabilitation facility · San Antonio, TX
Industry payments (Open Payments)
- 2025$160,460 · 252 payments from 17 companies
- 2024$51,097 · 110 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mdd US Operations, LLC | $83,480 | 107 |
| Acadia Pharmaceuticals Inc | $24,292 | 37 |
| Abbvie Inc. | $20,560 | 34 |
| Boston Scientific Corporation | $15,806 | 29 |
| Amneal Pharmaceuticals LLC | $14,524 | 17 |
What the 2025 payments were for
- Honoraria$70,484 · 21 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$49,038 · 17 payments
- Travel and Lodging$28,099 · 94 payments
- Consulting Fee$6,880 · 2 payments
- Food and Beverage$4,937 · 116 payments
- Education$1,023 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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