Winston Vaughan, M.D.
NPI 1821182973 · Specialist · Atherton, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winston Vaughan, M.D. is a Specialist provider in Atherton, CA (NPI 1821182973).
Provider details
- NPI number
- 1821182973
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G77809 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,269 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) |
|---|---|---|
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 1,481 | $240 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,140 | $108 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 344 | $151 |
| Ct Scan of Face Without Contrast70486 | 86 | $170 |
| Biopsy Or Removal of Nasal Polyp Or Tissue Using an Endoscope31237 | 73 | $375 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 71 |
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 |
|---|---|---|
| Methylprednisolone | 55 | 51 |
| Ipratropium Bromide | 52 | 31 |
| Doxycycline Hyclate | 50 | 47 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 41 | 33 |
| Prednisone | 38 | 33 |
| Ciprofloxacin Hcl | 34 | 15 |
| Azithromycin | 27 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,755 across 6 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
- 2006-10-03
- Last updated
- 2015-10-19
Frequently asked questions
- What is Winston Vaughan's NPI number?
- Winston Vaughan's National Provider Identifier (NPI) is 1821182973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winston Vaughan's specialty?
- Winston Vaughan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Winston Vaughan located?
- Winston Vaughan's practice location on file with NPPES is 3351 El Camino Real, Atherton, CA 94027-3811.
- What is Winston Vaughan's phone number?
- The practice phone number listed in the NPPES registry for Winston Vaughan is (650) 399-4630.
- Does Winston Vaughan accept Medicare?
- Winston Vaughan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winston Vaughan's NPI active?
- Yes — Winston Vaughan's NPI (1821182973) is active in the NPPES registry as of the last update on 2015-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.