Quick answers
- Where does Marcos Sastre Iii see patients?
- Medicare's clinician data lists 2 practice locations, including Chevy Chase, MD and Bethesda, MD. Call before your visit to confirm the address.
- What is Marcos Sastre Iii's specialty?
- Medicare lists Qualified Speech Language Pathologist as the primary specialty.
- Does Marcos Sastre Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Marcos Sastre Iii 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.
- Does Marcos Sastre Iii offer telehealth?
- Medicare's clinician data says Marcos Sastre Iii offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marcos Sastre Iii?
- (301) 652-8847, as listed in official Medicare / NPI Registry data.
- What is Marcos Sastre Iii's NPI number?
- 1164928487. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marcos Sastre Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 5454 Wisconsin Ave, Suite 1535Chevy Chase, MD 20815 (301) 652‑8847
- 6410 Rockledge Dr, Suite 305Bethesda, MD 20817 (301) 652‑8847
Group practices
Medicare enrollment lists Marcos Sastre Iii as a member of this group (CMS data updated 2026-10-02).
- Centers for Advanced Ent Care LLC103 clinicians in the group
Specialties
Find other clinicians: Qualified Speech Language Pathologist, Maryland →
Other speech-language pathologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164928487 |
| 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
- 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