Quick answers
- Which hospitals does S Marc Testa work at?
- Medicare's official clinician data lists S Marc Testa at 1 hospital: Sinai Hospital of Baltimore. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does S Marc Testa see patients?
- Medicare's clinician data lists 7 practice locations, including Baltimore, MD and Randallstown, MD. Call before your visit to confirm the address.
- What is S Marc Testa's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does S Marc Testa accept Medicare assignment?
- Medicare's clinician data says S Marc Testa may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for S Marc Testa?
- (410) 585-2830, as listed in official Medicare / NPI Registry data.
- What is S Marc Testa's NPI number?
- 1629114699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where S Marc Testa works
Medicare's Facility Affiliation Data lists S Marc Testa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sinai Hospital of BaltimoreBaltimore, MD · Acute Care Hospital · CCN 210012
Practice locations
Addresses where S Marc Testa is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2700 Quarry Lake DrBaltimore, MD 21209
- 2700 Quarry Lake Dr, Suite 180Baltimore, MD 21209
- 2700 Quarry Lake Dr, Suite 260Baltimore, MD 21209 (410) 585‑2830
- 5051 Greenspring AveBaltimore, MD 21209 (410) 601‑9513
- 5401 Old Court RdRandallstown, MD 21133
Group practices
Medicare enrollment lists S Marc Testa as a member of this group (CMS data updated 2026-10-02).
- Sinai Hospital of Baltimore, Inc380 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1629114699 |
| 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