David Chan
NPI 1538480181 · Otolaryngology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chan is a Otolaryngology Physician provider in Chicago, IL (NPI 1538480181).
Provider details
- NPI number
- 1538480181
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036145556 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
794 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 237 | $93 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 116 | $133 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 104 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $130 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 55 | $170 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levocetirizine Dihydrochloride | 269 | 119 |
| Azelastine Hcl | 185 | 121 |
| Fluticasone Propionate | 177 | 116 |
| Omeprazole | 91 | 53 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 67 | 56 |
| Ibuprofen | 39 | 34 |
| Cephalexin | 29 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$244 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-17
- Last updated
- 2022-05-19
- Certified
- 2020-11-15
Frequently asked questions
- What is David Chan's NPI number?
- David Chan's National Provider Identifier (NPI) is 1538480181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chan's specialty?
- David Chan is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is David Chan located?
- David Chan's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is David Chan's phone number?
- The practice phone number listed in the NPPES registry for David Chan is (888) 824-0200.
- Does David Chan accept Medicare?
- David Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chan's NPI active?
- Yes — David Chan's NPI (1538480181) is active in the NPPES registry as of the last update on 2022-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.