Skip to main content

Dr. Ryan Y. Lam, MD

Hospitalist (Hospitalist Physician)

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2016
Medicare patients seen, 2024
197

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

  • 2016Medical school: Medical College of Georgia School of Medicine
  • 2016Registered with an NPI (national billing number; not a license date)

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

  • Hospitalist Physician primary
    TN license 59189

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

Map: Hospitalist 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
197
Services billed
557
Patients’ average age
76
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes312113
Hospital discharge day management, more than 30 minutes8383
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes7674
Advance care planning, first 30 minutes6354
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes3115

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

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Gabapentin
Other prescribers in Chattanooga, TN
22
Prednisone
Other prescribers in Chattanooga, TN
13

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

Other Hospitalist clinicians in Chattanooga

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 1, 2019), 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 1366896870. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.