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Family Practice

Cheryl A. Martin Foster, MD

Works at hospitals in Madison, WI · Wisconsin

Summary

Dr. Cheryl A. Martin Foster, MD is a family doctor at 202 S Park St, Madison, WI 53715. Accepts Medicare assignment. In 2024, Cheryl A. Martin Foster had 86 Original Medicare patients and 175 services. NPI 1578670030. 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: Family doctor (Medicare lists Family Practice)
  • Address: 202 S Park St, Madison, WI 53715 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: UnityPoint Health - Meriter
  • Medical school: graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cheryl A. Martin Foster, 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 Cheryl A. Martin Foster accept Medicare assignment?
Yes. Medicare's clinician data says Cheryl A. Martin Foster 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 Cheryl A. Martin Foster see?
In 2024, CMS data shows 86 Original Medicare patients and 175 services for Cheryl A. Martin Foster. This counts Original Medicare only and measures volume, not quality.
What is Cheryl A. Martin Foster's NPI number?
1578670030. 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 Cheryl A. Martin Foster, 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 patients86
Services billed to Medicare175
Different services or procedures13
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)47 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)30 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)29 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 pressure60%
  • Arthritis33%
  • Osteoporosis30%
  • Anxiety28%
  • Diabetes24%

Hospitals where Cheryl A. Martin Foster works

Medicare's Facility Affiliation Data lists Cheryl A. Martin Foster 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 Cheryl A. Martin Foster is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Madison

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

All family doctors in Madison →

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578670030
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