DR. THOMAS A ROISUM MD
NPI 1528171964
Pathology - Anatomic Pathology & Clinical Pathology in Enid, OK

Q: What is Thomas Roisum's NPI number?

The NPI number for Thomas Roisum is 1528171964. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Q: What is Thomas Roisum's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Roisum was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since August 17, 2006PECOS EnrolledAccepts Medicare Assignment

305 S 5TH ST, ENID, OK 73701(913) 396-8509(913) 318-8378 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 13, 2026, Sep 30, 2022 (2 updates tracked since 2022).

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About Dr. Thomas A Roisum Md NPPES

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

DR. THOMAS A ROISUM MD (NPI 1528171964) is an individual anatomic pathology & clinical pathology provider in Enid, Oklahoma, licensed in Oklahoma (34698) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Integris Bass Baptist Health Center, and is a graduate of University Of North Dakota School Of Medicine (1995).

NPPES Registry Identity

NPI1528171964

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. THOMAS A ROISUMCredential: MD

Location Address305 S 5TH STEnid, OK 73701-5832

Mailing Address261 Hummingbird LnHannibal, MO 63401-6931 · (573) 231-0130

Phone(913) 396-8509

Fax(913) 318-8378

Sole ProprietorNo

Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 1995

Enumeration DateAugust 17, 2006

Last NPPES UpdateJune 15, 20262 updates tracked since enumeration

NPPES CertifiedJune 15, 2026

✔ NPI 1528171964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in OK · 34698✔ Licensed in IA · 36424✔ Licensed in ND · 15065✔ Licensed in MO · 109630✔ Licensed in PA · MD479037

Definition

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.

305 S 5TH ST, Enid, OK 73701

Open in Google Maps ↗

Other Identifiers 2

Other1C220032011MO · Railroad Medicare

Medicaid201085050AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Blue Cross and Blue Shield of Oklahoma, Medica and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas A Roisum Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345347753

PECOS Enrollment IDI20220516002777, I20250124002198

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,371 services586 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

214 services154 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

206 services105 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

197 services48 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

69 services66 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

63 services61 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

61 services53 patients

Cell examination of body fluid, smears 88104

Cell examination of body fluid, or smear, is a laboratory test where a sample of your body fluid is taken. It's then thinly spread on a glass slide and examined under a microscope to check for abnormalities. This can help diagnose various health conditions.

53 services34 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

51 services43 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

48 services44 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

39 services34 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

36 services32 patients

Pathology clinical consultation for clinical problem, 5-20 minutes 80503

A pathology clinical consultation is a brief meeting with a medical expert to discuss health concerns. The consultation, lasting between 5-20 minutes, involves reviewing your medical history and possibly conducting tests to diagnose or understand your health condition better.

25 services23 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

20 services20 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

13 services11 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

11 services11 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Integris Bass Baptist Health Center

Acute Care Hospitals · Enid, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370016

Location600 South MonroeEnid, OK 73701 · Garfield County

Emergency services Birthing friendly

St Mary's Regional Medical Center

Acute Care Hospitals · Enid, OK

4/5 CMS rating

OwnershipProprietary

CMS Certification Number370026

Location305 South 5th StreetEnid, OK 73701 · Garfield County

Emergency services Birthing friendly

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370028

Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County

Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370093

Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County

Emergency services Birthing friendly

Avera St Lukes

Acute Care Hospitals · Aberdeen, SD

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number430014

Location305 S State St Post Office Box 4450Aberdeen, SD 57401 · Brown County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.06 typical visit price

range $53.00 – $162.61

Typical copayment $30.76 (range $13.25 – $40.65)

Most-billed visit code 99204

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ENID RADIOLOGY PLLC

Radiology (Diagnostic Radiology)

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 234-2878

SARAH WHITE

Speech-Language Pathologist

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 233-6100

MRS. FRANCES COLLEEN BILLINGS APRN

Nurse Practitioner

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 233-6100

MRS. MARLYS SCHROEDER P.T.

Physical Therapist

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 548-5072

LAND RUN EMERGENCY PHYSICIANS

Emergency Medicine

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 249-3001

UHS OF OKLAHOMA, LLC

Skilled Nursing Facility

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 233-6100

LAURA JO HOFFERBER APRN

Nurse Practitioner (Family)

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 548-5010

KORY BAKER PTA

Physical Therapy Assistant

305 S 5TH ST
ENID, OK 73701

Garfield County (580) 249-5533

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 Roisum's NPI number?

The NPI number for Thomas Roisum is 1528171964. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Thomas Roisum located?

Thomas Roisum practices at 305 S 5th St, Enid, OK 73701. The listed phone number is (913) 396-8509.

What is Thomas Roisum's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Thomas Roisum enrolled in Medicare?

Yes. Thomas Roisum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Roisum accept?

Health plans from Avera Health Plans, Blue Cross and Blue Shield of Oklahoma, Medica and Oscar Insurance Company list Thomas Roisum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Roisum affiliated with any hospitals?

According to CMS data, Thomas Roisum is affiliated with Integris Bass Baptist Health Center, St Mary's Regional Medical Center, Integris Baptist Medical Center, Inc, O U Medical Center and Avera St Lukes.

When was this NPI record last updated?

The NPPES record for Thomas Roisum was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.