National Provider Identifier Database

WILLIAM S TWADDELL, M.D. – NPI #1538296124
Anatomic Pathology & Clinical Pathology

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, exclusion and monitoring of disease.


Contact Information

WILLIAM S TWADDELL, M.D.
22 S GREENE ST
NBW73
BALTIMORE, MD21201-1544
Phone: 410-328-5555
Fax: 410-328-0929
Website:
Specialty Taxonomy Code
* Anatomic Pathology & Clinical Pathology 207ZP0102X
Anatomic Pathology 207ZP0101X

* Indicates primary specialty

NPI Profile & details for WILLIAM S TWADDELL

NPI Number 1538296124
Credentials M.D.
Entity Individual
Enumeration date 02/28/2007
Last updated 05/07/2026 - About a month ago
Sole proprietor1 No
Identifiers
  • MD License #: D68076
  • NY License #: 242497-1
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

Reviews for WILLIAM S TWADDELL, M.D.

There are currently no reviews for WILLIAM S TWADDELL, M.D.


NPIdb - Home
v2.201