Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS OLIVER D.O
NPI 1083069470
Internal Medicine - Hematology & Oncology in Wausau, WI

Q: What is Thomas Oliver's NPI number?

The NPI number for Thomas Oliver is 1083069470. It was assigned to this individual provider in the NPPES registry on May 4, 2016.

Q: What is Thomas Oliver's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Oliver was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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 May 04, 2016PECOS Enrolled

215 N 28TH AVE, WAUSAU, WI 54401(715) 847-2866 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 24, 2026, Sep 9, 2020, Jun 1, 2020 and 2 more (5 updates tracked since 2019).

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About Dr. Thomas Oliver D.o NPPES

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

DR. THOMAS OLIVER D.O (NPI 1083069470) is an individual hematology & oncology provider in Wausau, Wisconsin, licensed in Arizona (008380) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2016).

NPPES Registry Identity

NPI1083069470

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. THOMAS OLIVERCredential: D.O

Location Address215 N 28TH AVEWausau, WI 54401-4100

Mailing Address215 N 28th AveWausau, WI 54401-4100 · (715) 847-2866

Phone(715) 847-2866

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2016

Enumeration DateMay 4, 2016

Last NPPES UpdateAugust 24, 20265 updates tracked since enumeration

NPPES CertifiedAugust 24, 2026

✔ NPI 1083069470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in AZ · 008380

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License OS019524 (PA)

215 N 28TH AVE, Wausau, WI 54401

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners 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 Oliver D.o 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 ID9739477324

PECOS Enrollment IDI20200604000170, I20230711001880

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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

144 services60 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

76 services36 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

42 services42 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

28 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

25 services20 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

22 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Aspirus Stevens Point Hospital & Clinics, Inc.

Acute Care Hospitals · Stevens Point, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520002

Location900 Illinois AveStevens Point, WI 54481 · Portage County

Emergency services Birthing friendly

Aspirus Rhinelander Hospital

Acute Care Hospitals · Rhinelander, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520019

Location2251 North Shore DrRhinelander, WI 54501 · Oneida County

Emergency services Birthing friendly

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number520030

Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County

Emergency services Birthing friendly

Aspirus Stanley Hospital

Critical Access Hospitals · Stanley, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521311

Location1120 Pine StStanley, WI 54768 · Chippewa County

Emergency services

Aspirus Medford Hospital & Clinics, Inc

Critical Access Hospitals · Medford, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521324

Location135 S Gibson StMedford, WI 54451 · Taylor County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 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

$163.24 typical visit price

range $53.90 – $163.24

Typical copayment $40.81 (range $13.47 – $40.81)

Most-billed visit code 99205

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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 15

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

EDWARD MCKENNA MD

Internal Medicine (Hematology & Oncology)