Quick answers
- Where does Steven W. Sullivan see patients?
- Medicare's clinician data lists 5 practice locations, including Columbia, MD, Chester, MD and Germantown, MD. Call before your visit to confirm the address.
- What is Steven W. Sullivan's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Steven W. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Steven W. 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 Steven W. Sullivan?
- (410) 644-1880, as listed in official Medicare / NPI Registry data.
- What is Steven W. Sullivan's NPI number?
- 1215106067. 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 Steven W. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 10710 Charter Dr, Suite 300Columbia, MD 21044 (410) 644‑1880
- 1630 Main StChester, MD 21619 (410) 643‑3410
- 19851 Observation Dr, Suite 360Germantown, MD 20876 (410) 571‑2946
- 2635 Riva Rd, Suite 209Annapolis, MD 21401 (410) 349‑9930
- 499 Idlewild Ave, Suite 105Easton, MD 21601 (855) 527‑7246
Group practices
Medicare enrollment lists Steven W. Sullivan as a member of these groups (CMS data updated 2026-10-02).
- Centers for Advanced Orthopaedics LLC604 clinicians in the group
- Advanced Pain Management Specialists LLC77 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215106067 |
| 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