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Internal Medicine

Heather A. Childers Okas, DO

Works at hospitals in Madison, WI · Wisconsin

Summary

Dr. Heather A. Childers Okas, DO is an internal medicine doctor at 202 S Park St, Madison, WI 53715. Phone: (608) 417-6000. Accepts Medicare assignment. In 2024, Heather A. Childers Okas had 264 Original Medicare patients and 651 services. NPI 1093782765. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Heather A. Childers Okas, 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 Heather A. Childers Okas accept Medicare assignment?
Yes. Medicare's clinician data says Heather A. Childers Okas 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 Heather A. Childers Okas see?
In 2024, CMS data shows 264 Original Medicare patients and 651 services for Heather A. Childers Okas. This counts Original Medicare only and measures volume, not quality.
What is Heather A. Childers Okas's NPI number?
1093782765. 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 Heather A. Childers Okas, 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 patients264
Services billed to Medicare651
Different services or procedures8
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)325 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)102 services
  3. Hospital discharge day management, 30 minutes or less (99238)75 services
  4. Hospital discharge day management, more than 30 minutes (99239)57 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 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 blood pressure75%
  • High cholesterol75%
  • Arthritis51%
  • Anxiety51%
  • Chronic kidney disease50%
  • Heart failure48%

Hospitals where Heather A. Childers Okas works

Medicare's Facility Affiliation Data lists Heather A. Childers Okas 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 Heather A. Childers Okas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heather A. Childers Okas as a member of this group (CMS data updated October 2, 2026).

  • Meriter Hospital Inc122 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All internal medicine doctors in Madison →

Other clinicians in Meriter Hospital Inc

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

Clinician information

CredentialDO
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093782765
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