Individual provider · Type 1 NPI
William Sanderson Twaddell, MD
Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
Practice location
22 S Greene St, NBW73
Baltimore, MD 21201-1544
Fax (410) 328-0929
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Anatomic Pathology Physician | 207ZP0101X | 242497-1 (NY) |
| Anatomic Pathology & Clinical Pathology Physician Primary | 207ZP0102X | D68076 (MD) |
Anatomic Pathology & Clinical Pathology Physician: A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, ex…
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About NPI 1538296124
William Sanderson Twaddell, MD's National Provider Identifier is 1538296124, issued on Feb 28, 2007. The primary taxonomy on file is Anatomic Pathology & Clinical Pathology Physician (207ZP0102X), and the practice location is in Baltimore, MD. The record was last updated on May 7, 2026.