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Family Practice

Frank B. Fung, MD

Works at hospitals in Winfield, IL · Illinois

Summary

Dr. Frank B. Fung, MD is a family doctor at 233 S Gary Ave, Bloomingdale, IL 60108. Phone: (630) 358-4414. Accepts Medicare assignment. In 2024, Frank B. Fung had 1,677 Original Medicare patients and 2,704 services. NPI 1043431661. 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: 233 S Gary Ave, Bloomingdale, IL 60108 · Directions (12 more locations)
  • Phone: (630) 358‑4414
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Medicine Central Dupage Hospital
  • Group practice: Northwestern Medical Faculty Foundation
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Frank B. Fung, 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 Frank B. Fung accept Medicare assignment?
Yes. Medicare's clinician data says Frank B. Fung 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 Frank B. Fung see?
In 2024, CMS data shows 1,677 Original Medicare patients and 2,704 services for Frank B. Fung. This counts Original Medicare only and measures volume, not quality.
What is Frank B. Fung's NPI number?
1043431661. 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 Frank B. Fung, 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 patients1,677
Services billed to Medicare2,704
Different services or procedures70
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)1,529 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)188 services
  3. X-ray of chest, 2 views (71046)155 services
  4. Blood test, clotting time (85610)128 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)112 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%
  • Arthritis48%
  • Diabetes32%
  • Ischemic heart disease29%
  • Chronic kidney disease23%

Hospitals where Frank B. Fung works

Medicare's Facility Affiliation Data lists Frank B. Fung 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 Frank B. Fung is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.

Group practices

Medicare enrollment lists Frank B. Fung as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Bloomingdale

Clinicians with the same Medicare primary specialty in Bloomingdale, IL — not a recommendation.

All family doctors in Bloomingdale →

Other clinicians in Northwestern Medical Faculty Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043431661
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