Quick answers
- Which hospitals does Mark Ramirez work at?
- Medicare's official clinician data lists Mark Ramirez at 1 hospital: Shannon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Ramirez see patients?
- Medicare's clinician data lists 1 practice location in San Angelo, TX. Call before your visit to confirm the address.
- What is Mark Ramirez's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Mark Ramirez accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Ramirez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark Ramirez?
- (325) 224-5981, as listed in official Medicare / NPI Registry data.
- What is Mark Ramirez's NPI number?
- 1639373210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Ramirez works
Medicare's Facility Affiliation Data lists Mark Ramirez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Shannon Medical CenterSan Angelo, TX · Acute Care Hospital · CCN 450571
Practice locations
Addresses where Mark Ramirez is enrolled with Medicare (CMS data updated 2026-10-02).
- 3555 Knickerbocker RdSan Angelo, TX 76904 (325) 224‑5981
Specialties
- Dermatologyprimary
Other dermatologists in San Angelo
Clinicians with the same Medicare primary specialty in San Angelo, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639373210 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians