Paul Sun, M.D.
NPI 1861599193 · Otolaryngology Physician · Laguna Hills, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Sun, M.D. is a Otolaryngology Physician provider in Laguna Hills, CA (NPI 1861599193).
Provider details
- NPI number
- 1861599193
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- BS4682363 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,716 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) |
|---|---|---|
| Removal of Impacted Ear Wax69210 | 541 | $46 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 381 | $138 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 213 | $207 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 152 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 145 | $179 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 385 | 173 |
| Ipratropium Bromide | 162 | 56 |
| Azelastine Hcl | 141 | 55 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hc | 71 | 36 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 28 |
| Omeprazole | 17 | — |
| Hydrocortisone Valerate | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$219 across 8 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
Additional practice locations (1)
- 22 Odyssey Ste 100Irvine, CA 92618-3186Phone: (949) 679-9000Fax: (949) 679-9001
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2019-08-16
Frequently asked questions
- What is Paul Sun's NPI number?
- Paul Sun's National Provider Identifier (NPI) is 1861599193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Sun's specialty?
- Paul Sun is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Sun located?
- Paul Sun's practice location on file with NPPES is 24411 Health Center Dr Ste 600, Laguna Hills, CA 92653-3687.
- What is Paul Sun's phone number?
- The practice phone number listed in the NPPES registry for Paul Sun is (949) 305-8000.
- Does Paul Sun accept Medicare?
- Paul Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Sun's NPI active?
- Yes — Paul Sun's NPI (1861599193) is active in the NPPES registry as of the last update on 2019-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.