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Dermatology

Alexandra R. Vaughn, MD

Sees patients in Modesto, CA · Folsom, CA · Walnut Creek, CA · California

Summary

Dr. Alexandra R. Vaughn, MD is a dermatologist at 1324 Nelson Ave, Modesto, CA 95350. Phone: (209) 524-9481. Accepts Medicare assignment. In 2024, Alexandra R. Vaughn had 1,079 Original Medicare patients and 5,899 services. NPI 1457842908. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 1324 Nelson Ave, Modesto, CA 95350 · Directions (2 more locations)
  • Phone: (209) 524‑9481
  • Medicare: Accepts Medicare assignment
  • Group practice: Golden State Dermatology Associates, Inc.
  • Medical school: Drexel University College Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alexandra R. Vaughn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alexandra R. Vaughn accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra R. Vaughn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Alexandra R. Vaughn see?
In 2024, CMS data shows 1,079 Original Medicare patients and 5,899 services for Alexandra R. Vaughn. This counts Original Medicare only and measures volume, not quality.
What is Alexandra R. Vaughn's NPI number?
1457842908. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Alexandra R. Vaughn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,079
Services billed to Medicare5,899
Different services or procedures88
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)1,582 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)988 services
  3. Biopsy of related skin growth, first growth (11102)593 services
  4. Destruction of precancer skin growth, 1 growth (17000)556 services
  5. Destruction of skin growth, 1-14 growths (17110)434 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure60%
  • Arthritis45%
  • Anxiety19%
  • Osteoporosis19%
  • Ischemic heart disease18%

Practice locations

Addresses where Alexandra R. Vaughn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexandra R. Vaughn as a member of this group (CMS data updated October 2, 2026).

  • Golden State Dermatology Associates, Inc.125 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in Modesto

Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.

All dermatologists in Modesto →

Other clinicians in Golden State Dermatology Associates, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolDrexel University College Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457842908
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians