Quick answers
- Where does Mark Welch see patients?
- Medicare's clinician data lists 4 practice locations, including Hagerstown, MD, Annapolis, MD and Westminster, MD. Call before your visit to confirm the address.
- What is Mark Welch's specialty?
- Medicare lists Micrographic Dermatologic Surgery (MDS) as the primary specialty, and also Dermatology.
- Does Mark Welch accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Welch 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 Mark Welch?
- (443) 351-3376, as listed in official Medicare / NPI Registry data.
- What is Mark Welch's NPI number?
- 1619943644. 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 Mark Welch is enrolled with Medicare (CMS data updated 2026-10-02).
- 1185 Imperial Dr, Suite 201Hagerstown, MD 21740 (443) 351‑3376
- 180 Admiral Cochrane DrAnnapolis, MD 21401 (410) 263‑5439
- 410 Meadow Creek Dr, Suite 205Westminster, MD 21158 (301) 829‑4185
- 6410 Rockledge Dr, Suite 402Bethesda, MD 20817 (301) 530‑4800
Group practices
Medicare enrollment lists Mark Welch as a member of this group (CMS data updated 2026-10-02).
- Anne Arundel Dermatology PA127 clinicians in the group
Specialties
Find other Micrographic Dermatologic Surgery (MDS) doctors in Maryland →
Other dermatologic surgeons in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619943644 |
| 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