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Internal Medicine

Michaela McKissack-Huynh, MD

Works at hospitals in Eau Claire, WI · Wisconsin

Summary

Dr. Michaela McKissack-Huynh, MD is an internal medicine doctor at 2000 Health Park Dr, Brentwood, TN 37027. May accept Medicare assignment. In 2024, Michaela McKissack-Huynh had 56 Original Medicare patients and 213 services. NPI 1386136141. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2000 Health Park Dr, Brentwood, TN 37027 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Mayo Clinic Health System Eau Claire Hospital
  • Medical school: University Of Texas Medical Branch At Galveston · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Michaela McKissack-Huynh, 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 Michaela McKissack-Huynh accept Medicare assignment?
Medicare's clinician data says Michaela McKissack-Huynh may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Michaela McKissack-Huynh see?
In 2024, CMS data shows 56 Original Medicare patients and 213 services for Michaela McKissack-Huynh. This counts Original Medicare only and measures volume, not quality.
What is Michaela McKissack-Huynh's NPI number?
1386136141. 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 Michaela McKissack-Huynh, 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 patients56
Services billed to Medicare213
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)73 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)47 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)46 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)15 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%
  • Arthritis54%
  • Diabetes52%
  • Chronic kidney disease45%
  • Anxiety27%

Hospitals where Michaela McKissack-Huynh works

Medicare's Facility Affiliation Data lists Michaela McKissack-Huynh 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 Michaela McKissack-Huynh is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2000 Health Park DrBrentwood, TN 37027

Specialties

Find other Internal Medicine doctors in Tennessee →

Other internal medicine doctors in Brentwood

Clinicians with the same Medicare primary specialty in Brentwood, TN — not a recommendation.

All internal medicine doctors in Brentwood →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1386136141
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