Erica Aronson, M.D.
NPI 1033431549 · Dermatology Physician · Napa, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erica Aronson, M.D. is a Dermatology Physician provider in Napa, CA (NPI 1033431549).
Provider details
- NPI number
- 1033431549
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A124252 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
14,466 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 5,564 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,151 | $146 |
| Biopsy of Related Skin Growth, First Growth11102 | 1,421 | $112 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 1,365 | $57 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 986 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 519 | 294 |
| Triamcinolone Acetonide | 364 | 257 |
| Doxycycline Hyclate | 243 | 140 |
| Mupirocin | 227 | 175 |
| Fluocinonide | 149 | 97 |
| Metronidazole | 90 | 65 |
| Minoxidil | 71 | 23 |
| Valacyclovir Hclbrand: Valacyclovir | 65 | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,496 across 172 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
- 2010-02-25
- Last updated
- 2023-04-12
- Certified
- 2023-04-12
Frequently asked questions
- What is Erica Aronson's NPI number?
- Erica Aronson's National Provider Identifier (NPI) is 1033431549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erica Aronson's specialty?
- Erica Aronson is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Erica Aronson located?
- Erica Aronson's practice location on file with NPPES is 1700 2nd St Ste 220, Napa, CA 94559-2455.
- What is Erica Aronson's phone number?
- The practice phone number listed in the NPPES registry for Erica Aronson is (707) 252-2931.
- Does Erica Aronson accept Medicare?
- Erica Aronson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erica Aronson's NPI active?
- Yes — Erica Aronson's NPI (1033431549) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.