Osmund Chan, M.D.
NPI 1346385663 · Otolaryngology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osmund Chan, M.D. is a Otolaryngology Physician provider in Los Angeles, CA (NPI 1346385663).
Provider details
- NPI number
- 1346385663
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G43950 (CA)
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
19 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
2,352 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) |
|---|---|---|
| Exam of Ear Using a Microscope92504 | 876 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 523 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 296 | $138 |
| Injection Into Skin Growth, 1-7 Growths11900 | 166 | $63 |
| Removal of Foreign Body in Ear Canal69200 | 151 | $89 |
| Comprehensive Hearing and Speech Recognition Test92557 | 125 | $39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ofloxacin | 1,122 | 451 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hydrocort | 176 | 69 |
| Azithromycin | 147 | 84 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 132 | 50 |
| Fluticasone Propionate | 129 | 49 |
| Amoxicillin | 41 | 26 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 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
- 2007-02-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Osmund Chan's NPI number?
- Osmund Chan's National Provider Identifier (NPI) is 1346385663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osmund Chan's specialty?
- Osmund Chan is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Osmund Chan located?
- Osmund Chan's practice location on file with NPPES is 711 W College St, Los Angeles, CA 90012-1163.
- What is Osmund Chan's phone number?
- The practice phone number listed in the NPPES registry for Osmund Chan is (213) 626-8338.
- Does Osmund Chan accept Medicare?
- Osmund Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osmund Chan's NPI active?
- Yes — Osmund Chan's NPI (1346385663) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.