Individual Healthcare Provider
Thomas A Roisum, MD
Provider's NPPES record last updated: June 15, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1528171964
- Primary Specialty
- Pathology — Anatomic Pathology & Clinical Pathology
- Practice Location
- Enid, Oklahoma
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 6:19 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Pathology
Anatomic Pathology & Clinical Pathology
Allopathic & Osteopathic Physicians
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.
Taxonomy code 207ZP0102X
Provider-Reported License Information
- Pathology (Oklahoma)
- 34698
- Pathology (Iowa)
- 36424
- Pathology (North Dakota)
- 15065
- Pathology (Missouri)
- 109630
- Pathology (Pennsylvania)
- MD479037
Practice Locations
Practice Location
305 S 5th St
Enid, Oklahoma 73701-5832
Phone: (913) 396-8509
Additional Practice Location
1 Burdick Expy W
Minot, North Dakota 58701-4406
Phone: (701) 857-5214
Fax: (701) 857-5021
Additional Practice Location
6470 Interstate Ct
Hannibal, Missouri 63401-6759
Phone: (573) 248-0826
Fax: (573) 221-2252
Additional Practice Location
600 S Monroe St
Enid, Oklahoma 73701-7211
Phone: (913) 396-8509
Fax: (913) 318-8378
Additional Practice Location
187 Hospital Dr
Tyrone, Pennsylvania 16686-6759
Phone: (814) 684-1255
Fax: (814) 684-6395
Additional Practice Location
1225 Warm Springs Ave
Huntingdon, Pennsylvania 16652-6759
Phone: (814) 643-8632
Fax: (814) 643-8633
Additional Practice Location
100 Hospital Ave
Dubois, Pennsylvania 15801-6759
Phone: (814) 375-3238
Fax: (814) 375-3585
Additional Practice Location
2305 37th Ave Sw
Minot, North Dakota 58701-7669
Phone: (701) 857-5000
Record Information
- Enumeration Date
- August 17, 2006
- Provider's NPPES Record Last Updated
- June 15, 2026
- Certification Date
- June 15, 2026
- NPISignal NPPES Dataset
- August 2026
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