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Edit this profileGriffith Hsu, MD practices otolaryngology (ent) in Glen Ellyn, IL. According to Medicare claims data, Griffith cared for 40 Medicare patients across 41 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1669448056.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
430 PENNSYLVANIA AVE # 330
Glen Ellyn, IL 60137
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Cancer
Pediatric and congenital
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Head & Neck
Throat & Voice
Cosmetic
Ear & Hearing
Ear procedures
Endocrine Surgery
Facial plastic and reconstructive
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Office diagnosis
Throat, voice, and swallowing
Most searched procedures
Sleep and airway
Throat & Voice
41 services · 40 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 | Less often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less often than most peers in Otolaryngology (ENT) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hsu is an otolaryngology (ent) in Glen Ellyn, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Hsu is listed at 430 Pennsylvania Ave # 330, Glen Ellyn, IL 60137. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 469-9200. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Hsu's National Provider Identifier is 1669448056. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Hsu attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hsu has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hsu the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hsu. If this is you, claiming it is free.
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