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THOMAS LARRY WARREN JR. MD
NPI 1851376404
Internal Medicine - Hematology & Oncology in Cedar Rapids, IA

Active since December 07, 2005
202 10TH STREET SE, CEDAR RAPIDS, IA 52403(319) 297-2900(319) 297-2969 Get Directions Write a Review

NPPES record last updated: September 11, 2013. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Thomas Larry Warren Jr. Md NPPES

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

THOMAS LARRY WARREN JR. MD (NPI 1851376404) is an individual hematology & oncology provider in Cedar Rapids, Iowa, licensed in Iowa (30923) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1851376404
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameTHOMAS LARRY WARREN JR.Credential: MD
Location Address202 10TH STREET SECedar Rapids, IA 52403-2404
Mailing AddressPo Box 3178Cedar Rapids, IA 52406-3178 · (319) 398-1583 · Fax (319) 399-2085
Phone(319) 297-2900
Fax(319) 297-2969
Sole ProprietorNo
Enumeration DateDecember 7, 2005
Last NPPES UpdateSeptember 11, 2013
✔ NPI 1851376404 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 IA · 30923
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.
202 10TH STREET SE, Cedar Rapids, IA 52403
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Other Identifiers 4

Other39788IA · Blue Cross Blue Shield
Medicaid2224774IA
Medicare UPINH24505IA
Medicare ID-Type UnspecifiedI15494IA

Other Providers at the Same Location NPPES 20

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

WARREN NEIL VERDECK MD
Orthopaedic Surgery
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 398-1500
MATTHEW JOSEPH WHITE MD
Orthopaedic Surgery
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 398-1545
JILL NELLIE MILLER ARNP
Nurse Practitioner (Family)
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 398-1721
DR. STEVEN MARK WAHLE MD
Urology
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 363-8171
DAVID MICHAEL LAWRENCE MD
Surgery (Vascular Surgery)
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 362-5118
DR. JAMES MICHAEL PAPE MD
Orthopaedic Surgery (Orthopaedic Trauma)
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 398-1545
DR. ROBERT FRANCIS KEATING MD
Surgery
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 362-5118
DR. JAMES MICHAEL LEVETT MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
202 10TH STREET SE
CEDAR RAPIDS, IA 52403
Linn County (319) 362-5118

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 Thomas Warren's NPI number?

The NPI number for Thomas Warren is 1851376404. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is Thomas Warren located?

Thomas Warren practices at 202 10th Street SE, Cedar Rapids, IA 52403. The listed phone number is (319) 297-2900.

What is Thomas Warren'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 Thomas Warren was last updated on September 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.