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

THOMAS J COX MD
NPI 1851020994
Pediatrics in Oshkosh, WI

Active since June 06, 2022PECOS Enrolled
250 W 6TH AVE, OSHKOSH, WI 54902(920) 727-9982(920) 727-9983 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas J Cox Md NPPES

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

THOMAS J COX MD (NPI 1851020994) is an individual pediatrics provider in Oshkosh, Wisconsin, licensed in Wisconsin (85774) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2022).

NPPES Registry Identity

NPI1851020994
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameTHOMAS J COXCredential: MD
Location Address250 W 6TH AVEOshkosh, WI 54902-5910
Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900 · Fax (920) 830-5910
Phone(920) 727-9982
Fax(920) 727-9983
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2022
Enumeration DateJune 6, 2022
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1851020994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in WI · 85774✔ Licensed in IA · R-12615
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
250 W 6TH AVE, Oshkosh, WI 54902
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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, CareSource (Common Ground Healthcare) 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 (PECOS)

Thomas J Cox Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183006315
PECOS Enrollment IDI20250912001253
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54902 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
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 9

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

ALEEM BAKHTIAR M.D.
Emergency Medicine
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 651-8000
ANN ELIZABETH DETTLAFF APNP
Nurse Practitioner
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 237-5000
JESSICA ANNE BIELMEIER FNP-C
Nurse Practitioner (Family)
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 831-5050
REBECCA L WALDMAN MD
Pediatrics
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 727-9982
DAVID V MARUSKA MD
Family Medicine
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 237-5000
DR. GLENN D. VOGELSANG M.D., PHD
Family Medicine
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 237-5000
RAMEZ HOVEYDAI D.O.
Family Medicine (Sports Medicine)
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 831-5050
ASHLEY J ANDRUS APNP
Nurse Practitioner
250 W 6TH AVE
OSHKOSH, WI 54902
Winnebago County (920) 237-5000

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 Cox's NPI number?

The NPI number for Thomas Cox is 1851020994. It was assigned to this individual provider in the NPPES registry on June 6, 2022.

Where is Thomas Cox located?

Thomas Cox practices at 250 W 6th Ave, Oshkosh, WI 54902. The listed phone number is (920) 727-9982.

What is Thomas Cox's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Thomas Cox enrolled in Medicare?

Yes. Thomas Cox is registered in the Medicare PECOS enrollment system.

What insurance does Thomas Cox accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 1 other insurer list Thomas Cox 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.

When was this NPI record last updated?

The NPPES record for Thomas Cox was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.