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DR. WILLIAM SIEGEL MD
NPI 1164512216
Internal Medicine - Hematology & Oncology in Salt Lake City, UT

Active since October 12, 2006
4021 S 700 E, SUITE 300, SALT LAKE CITY, UT 84107(800) 453-3030 Get Directions Write a Review

NPPES record last updated: March 6, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Siegel Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM SIEGEL MD (NPI 1164512216) is an individual hematology & oncology provider in Salt Lake City, Utah, licensed in Pennsylvania (026921L) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1164512216
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. WILLIAM SIEGELCredential: MD
Location Address4021 S 700 E, SUITE 300Salt Lake City, UT 84107-2192
Mailing Address413 Norwick PlaceBlue Bell, PA 19442 · (215) 699-1934 · Fax (215) 699-1738
Phone(800) 453-3030
Sole ProprietorYes
Enumeration DateOctober 12, 2006
Last NPPES UpdateMarch 6, 2018
✔ NPI 1164512216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in PA · 026921L
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
4021 S 700 E, Salt Lake City, UT 84107
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Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. EDWIN M. MARKS M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4021 S 700 E, SUITE 300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 423-1605
RENEE WARREN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4021 S 700 E, #300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 423-1605
DR. ANTHONY E HOWES M.D.
Radiology (Radiation Oncology)
4021 S 700 E, 300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 732-7176
DR. JAMES EDWARD WEISS M.D.
Dermatology
4021 S 700 E, SUITE 300
SALT LAKE CITY, UT 84107
Salt Lake County (888) 474-3786
DR. RENE BROWN LEDBETTER JR. M.D.
Internal Medicine (Hematology & Oncology)
4021 S 700 E, SUITE 300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 732-7176
MR. BERNARD LARRY WEINSTEIN MD
Psychiatry & Neurology (Psychiatry)
4021 S 700 E, SUITE 300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 328-3035
BRUCE W BEAUCHAMP DO
Anesthesiology
4021 S 700 E, SUITE 220
SALT LAKE CITY, UT 84107
Salt Lake County (800) 211-4971
DR. THOMAS MARTIN KILBRIDGE MD
Internal Medicine (Hematology & Oncology)
4021 S 700 E, SUITE 300
SALT LAKE CITY, UT 84107
Salt Lake County (800) 732-7176

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Siegel's NPI number?

The NPI number for William Siegel is 1164512216. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is William Siegel located?

William Siegel practices at 4021 S 700 E Suite 300, Salt Lake City, UT 84107. The listed phone number is (800) 453-3030.

What is William Siegel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for William Siegel was last updated on March 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.