Quick answers
- Which hospitals does Mark Co work at?
- Medicare's official clinician data lists Mark Co at 2 hospitals: Dallas Medical Center and Dallas Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Co see patients?
- Medicare's clinician data lists 3 practice locations, including Mesquite, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Mark Co's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Internal Medicine.
- Does Mark Co accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Co 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 Co?
- (214) 320-7000, as listed in official Medicare / NPI Registry data.
- What is Mark Co's NPI number?
- 1912990987. 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 Co works
Medicare's Facility Affiliation Data lists Mark Co at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Dallas Medical CenterDallas, TX · Acute Care Hospital · CCN 450379
- Dallas Regional Medical CenterMesquite, TX · Acute Care Hospital · CCN 450688
Practice locations
Addresses where Mark Co is enrolled with Medicare (CMS data updated 2026-10-02).
- 1011 N Galloway AveMesquite, TX 75149 (214) 320‑7000
- 5308 N Galloway Ave, 100 Southwest Cardiac AssociatesMesquite, TX 75150 (972) 226‑0505
- 9 Medical Pkwy, Suite 306Dallas, TX 75234 (972) 888‑4063
Group practices
Medicare enrollment lists Mark Co as a member of this group (CMS data updated 2026-10-02).
- Dallas Medical Physician Group17 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912990987 |
| 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