GRIFFITH HSU MD
NPI 1669448056
Otolaryngology - Otology & Neurotology in Glen Ellyn, IL
About Griffith Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRIFFITH HSU MD (NPI 1669448056) is an individual otology & neurotology provider in Glen Ellyn, Illinois, licensed in Illinois (036107355) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Griffith Hsu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Griffith Hsu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 clinicians in this Medicare group
St Charles, IL 60175
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Wellsboro, PA 16901
- Reassigned Medicare billing, Pennsylvania and New York enrollments
- Medicare enrollment name: Guthrie Medical Group PC
- Also billed through NPI 1134178635 (New York)
- 830 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Francis Medical Center
Acute Care Hospitals · Peoria, ILCorning Hospital
Acute Care Hospitals · Corning, NYRobert Packer Hospital
Acute Care Hospitals · Sayre, PAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Griffith Hsu's NPI number?
The NPI number for Griffith Hsu is 1669448056. It was assigned to this individual provider in the NPPES registry on February 24, 2006.
Where is Griffith Hsu located?
Griffith Hsu practices at 430 Pennsylvania Ave # 330, Glen Ellyn, IL 60137. The listed phone number is (630) 469-9200.
What is Griffith Hsu's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.
Is Griffith Hsu enrolled in Medicare?
Yes. Griffith Hsu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Griffith Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Griffith Hsu reassigns Medicare benefits to 5 organizations: Dupage Medical Group Ltd (Downers Grove, IL), Allergy & Asthma Medical Associates Ltd (St Charles, IL), Columbia St. Mary's Hospital Milwaukee, Inc (Milwaukee, WI), Osf Multi-Specialty Group (Peoria, IL) and Guthrie Medical Group, P.C. (Wellsboro, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Griffith Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Griffith Hsu accept?
Health plans from Anthem Blue Cross and Blue Shield and Network Health list Griffith Hsu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Griffith Hsu affiliated with any hospitals?
According to CMS data, Griffith Hsu is affiliated with Saint Francis Medical Center, Corning Hospital and Robert Packer Hospital.
When was this NPI record last updated?
The NPPES record for Griffith Hsu was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Griffith Hsu, MD · NPI 1669448056
Otology & Neurotology physician in Glen Ellyn, Illinois. Individual provider, active in the CMS NPPES registry since February 24, 2006.
## Identity
- **NPI:** 1669448056 (Entity type: Individual)
- **Enumerated:** February 24, 2006
- **Primary specialty:** Otolaryngology - Otology & Neurotology · taxonomy 207YX0901X
- **State license:** 036107355 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 430 PENNSYLVANIA AVE # 330, Glen Ellyn, IL 60137-4464
- **Phone:** (630) 469-9200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Dupage Medical Group Ltd (NPI 1801833983, Downers Grove, IL); Allergy & Asthma Medical Associates Ltd (NPI 1396894812, St Charles, IL); Columbia St. Mary's Hospital Milwaukee, Inc (NPI 1023064482, Milwaukee, WI); Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL); Guthrie Medical Group, P.C. (NPI 1952350167, Wellsboro, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** March 23, 2026
- **Other identifiers:** Medicaid 036107355 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1669448056) · Data from the CMS NPPES public registry.