Dr. William Hemsley Merwin III, MD
Dr. William Hemsley Merwin III, MD is a Hospitalist in Baltimore, Maryland. Graduated from Georgetown University School of Medicine in 2015, 11 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group and accepts Medicare assignment. Licensed in Maryland.
- Years since qualifying
- 11
- Trained at
- Georgetown University School of Medicine
- Licensed in
- MD
- In the registry since
- 2015
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
201 E University Pkwy Dept OFBaltimore, MD 21218
Phone: (410) 554-2284
Fax: (410) 554-2184
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Student in an Organized Health Care Education/Training Program (primary) | Taxonomy 390200000X (MD) |
|---|---|
| Internal Medicine Physician | Taxonomy 207R00000X · Licence D0091613 (MD) |
Record details
| NPI number | 1043697600 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | May 4, 2015 |
| Last updated in NPPES | June 11, 2025 |
| Certification date | June 11, 2025 |
Medicare enrollment
| Medicare specialty | HOSPITALIST |
|---|---|
| Medical school | GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE |
| Graduated | 2015 (11 years in practice) |
| Group practice | Medstar Medical Group Ii Llc — 3717 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 2 on file with Medicare |
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