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Internal Medicine

Gene L. Hwang, MD

Sees patients in New Buffalo, MI · Michigan

Summary

Dr. Gene L. Hwang, MD is an internal medicine doctor at 225 S Whittaker St, New Buffalo, MI 49117. Phone: (269) 469-0202. Accepts Medicare assignment. In 2024, Gene L. Hwang had 55 Original Medicare patients and 212 services. NPI 1245213073. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 225 S Whittaker St, New Buffalo, MI 49117 · Directions
  • Phone: (269) 469‑0202
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gene L. Hwang, 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 Gene L. Hwang accept Medicare assignment?
Yes. Medicare's clinician data says Gene L. Hwang 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 Gene L. Hwang see?
In 2024, CMS data shows 55 Original Medicare patients and 212 services for Gene L. Hwang. This counts Original Medicare only and measures volume, not quality.
What is Gene L. Hwang's NPI number?
1245213073. 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 Gene L. Hwang, 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 patients55
Services billed to Medicare212
Different services or procedures17
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)53 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)35 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)32 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 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 cholesterol62%
  • Arthritis33%
  • Diabetes29%

Practice locations

Addresses where Gene L. Hwang is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All internal medicine doctors in Michigan →

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245213073
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians