Quick answers
- Which hospitals does Marcus L. Lines work at?
- Medicare's official clinician data lists Marcus L. Lines at 5 hospitals: Ascension Seton Medical Center Austin, North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcus L. Lines see patients?
- Medicare's clinician data lists 3 practice locations, including Bee Cave, TX, West Lake Hills, TX and Austin, TX. Call before your visit to confirm the address.
- What is Marcus L. Lines's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Marcus L. Lines accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus L. Lines 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 Marcus L. Lines?
- (805) 577-2122, as listed in official Medicare / NPI Registry data.
- What is Marcus L. Lines's NPI number?
- 1629072459. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcus L. Lines works
Medicare's Facility Affiliation Data lists Marcus L. Lines at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Marcus L. Lines is enrolled with Medicare (CMS data updated 2026-10-02).
- 4512 Flameleaf Sumac DrBee Cave, TX 78738 (805) 577‑2122
- 5656 Bee Caves Rd, Bldg HWest Lake Hills, TX 78746 (512) 451‑7407
- 919 E 32nd StAustin, TX 78705 (713) 461‑3573
Group practices
Medicare enrollment lists Marcus L. Lines as a member of these groups (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
- Austin Radiological Association127 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629072459 |
| 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