Skip to main content

Dr. Christopher E. Acker, MD

Family Medicine (Family Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2016
Medicare patients seen, 2024
222

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2016Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Family Medicine Physician primary
    TN license 61358
  • Student in an Organized Health Care Education/Training Program

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Family Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
222
Services billed
2,613
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg36832
Established patient office or other outpatient visit, 30-39 minutes269151
Insertion of needle into vein for collection of blood sample180132
Blood test, comprehensive group of blood chemicals151121
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count143122
Blood test, thyroid stimulating hormone (tsh)125111
Blood test, lipids (cholesterol and triglycerides)122110
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit108108
Annual depression screening, 5 to 15 minutes108108
Established patient office or other outpatient visit, 20-29 minutes8263

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 14 companies reported 71 payments worth $919 in total to this clinician.

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Feb 6, 2025Boehringer Ingelheim Pharmaceuticals, Inc.
Feb 6, 2025
Education
JARDIANCE · DIABETES · in-kind
$18.85

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Tennessee →

Other Family Medicine clinicians in Knoxville

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 17, 2020), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1497100564. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.