Quick answers
- Where does Robert Sullivan see patients?
- Medicare's clinician data lists 2 practice locations, including Germantown, MD and Frederick, MD. Call before your visit to confirm the address.
- What is Robert Sullivan's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Robert Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Sullivan 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 Robert Sullivan?
- (202) 276-9197, as listed in official Medicare / NPI Registry data.
- What is Robert Sullivan's NPI number?
- 1841238052. 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 Robert Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 20680 Seneca Meadows Pkwy, Suite 200Germantown, MD 20876 (202) 276‑9197
- 4991 New Design Rd, Suite 103Frederick, MD 21703 (301) 363‑5858
Group practices
Medicare enrollment lists Robert Sullivan as a member of this group (CMS data updated 2026-10-02).
- Capitol Anesthesia Associates Ltd18 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841238052 |
| 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