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Obstetrics/Gynecology

Thomas F. Mattox, MD

Works at hospitals in Medford, WI · Wisconsin

Summary

Dr. Thomas F. Mattox, MD is an OB-GYN at 135 S Gibson St, Medford, WI 54451. Phone: (715) 748-8100. Accepts Medicare assignment. In 2024, Thomas F. Mattox had 130 Original Medicare patients and 1,073 services. NPI 1437113537. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 135 S Gibson St, Medford, WI 54451 · Directions (2 more locations)
  • Phone: (715) 748‑8100
  • Medicare: Accepts Medicare assignment
  • Hospital: Aspirus Medford Hospital & Clinics, Inc
  • Group practice: Aspirus Medford Hospital and Clinics Inc
  • Medical school: University Of North Carolina At Chapel Hill School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas F. Mattox, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Thomas F. Mattox accept Medicare assignment?
Yes. Medicare's clinician data says Thomas F. Mattox accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Thomas F. Mattox see?
In 2024, CMS data shows 130 Original Medicare patients and 1,073 services for Thomas F. Mattox. This counts Original Medicare only and measures volume, not quality.
What is Thomas F. Mattox's NPI number?
1437113537. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Thomas F. Mattox, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients130
Services billed to Medicare1,073
Different services or procedures39
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)81 services
  2. Ultrasound measurement of bladder capacity after voiding (51798)72 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)35 services
  5. Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies (51729)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure68%
  • Arthritis67%
  • Anxiety40%
  • Diabetes35%
  • Depression35%

Hospitals where Thomas F. Mattox works

Medicare's Facility Affiliation Data lists Thomas F. Mattox at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Thomas F. Mattox is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Thomas F. Mattox as a member of this group (CMS data updated October 2, 2026).

  • Aspirus Medford Hospital and Clinics Inc119 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All OB-GYNs in Wisconsin →

Other clinicians in Aspirus Medford Hospital and Clinics Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437113537
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians