Erica R. Aronson, M.D.
Dermatology Physician · Napa, CA
Erica R. Aronson, M.D. is a dermatology physician with a practice address in Napa, California, and NPI 1033431549, issued on Feb 25, 2010. Check the license (California A124252, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erica R. Aronson
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A124252 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 2ND St Ste 220, Napa, CA 94559
- Phone
- (707) 252-2931
- Enumerated
- Feb 25, 2010
- Record last updated
- Apr 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20130820000390); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Erica R. Aronson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average dermatology physician in 2024
2,217 Medicare Part D claims for 752 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 15 claims were for opioids.
Most prescribed
- Ketoconazole519 claims
- Triamcinolone Acetonide364 claims
- Doxycycline Hyclate243 claims
- Mupirocin227 claims
- Fluocinonide149 claims
- Metronidazole90 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,495.55
172 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Solano Dermatology Associates IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erica R. Aronson among 2,083 dermatology physician records in California
Erica R. Aronson, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2009 · median 2006 among the 1,450 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Napa → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Diane Silver, MDNapa, CA 945591578533964
- Caroline Campbell, MDNapa, CA 945581538651385
- Brent Loftis, DONapa, CA 945581639348683
- Lewis May, MDNapa, CA 945581316025158
- Eli Silver, M.D.Napa, CA 945581245581123
- Arthur Mayo, M.D.Orinda, CA 945631083901607
- Norman Price, MDOrinda, CA 945631376542340
- Kristin Walker, M.D.Orinda, CA 945631841208402
Common questions
What is Erica R. Aronson, M.D.'s NPI number?
Erica R. Aronson, M.D.'s National Provider Identifier (NPI) is 1033431549, issued on Feb 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Erica R. Aronson, M.D. located?
The NPPES record lists a practice address at 1700 2ND St Ste 220, Napa, CA, 94559. Phone: (707) 252-2931. Providers update this record themselves, so call before visiting.
How can I verify Erica R. Aronson, M.D.'s license?
NPPES lists California license number A124252, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erica R. Aronson, M.D. prescribe under Medicare Part D?
In 2024, Erica R. Aronson, M.D. had 2,217 Medicare Part D claims for 752 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Erica R. Aronson, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.