Michelle Aszterbaum, MD
Dermatology Physician · Newport Beach, CA
Michelle Aszterbaum, MD is a dermatology physician with a practice address in Newport Beach, California, and NPI 1992891329, issued on Oct 5, 2006. Check the license (California G81356, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle Aszterbaum
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G81356 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Avocado Ave Ste 807, Newport Beach, CA 92660
- Phone
- (949) 525-0700
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (866) 299-5012
- Medicare enrollment
- Enrolled (PECOS I20100629000787); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 1441 Avocado Ave Ste 807
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brett Hughes, MDGastroenterology Physician1831630243
Verify Michelle Aszterbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G81356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average dermatology physician in 2024
709 Medicare Part D claims for 273 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 13 claims were for opioids.
Most prescribed
- Mupirocin51 claims
- Clobetasol Propionate48 claims
- Triamcinolone Acetonide43 claims
- Valacyclovir40 claims
- Mometasone Furoate39 claims
- Metronidazole37 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $720.71
25 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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 2 group practices
- Michelle Aszterbaum MD IncNewport Beach, CA
- Uci Department OF DermatologyOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Aszterbaum among 2,083 dermatology physician records in California
Michelle Aszterbaum, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1993 · median 2006 among the 1,450 with a school on file
- Record last updated2022 · 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 Newport Beach → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Susan Cox, MDNewport Beach, CA 926601811985724
- Lynn Dimino, M.D.Newport Beach, CA 926601699724542
- Leila Ettefagh, M.D.Newport Beach, CA 926601881643724
- Kristen Forman, M.D.Newport Beach, CA 926601992750335
- Peter Helton, DONewport Beach, CA 926601295775872
- Hui-Kyung Kim, MDNewport Beach, CA 926601720076631
- Navid Nami, D.O.Newport Beach, CA 926601710936646
- Samuel Peterson, MDNewport Beach, CA 926601073571295
Common questions
What is Michelle Aszterbaum, MD's NPI number?
Michelle Aszterbaum, MD's National Provider Identifier (NPI) is 1992891329, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Aszterbaum, MD located?
The NPPES record lists a practice address at 1441 Avocado Ave Ste 807, Newport Beach, CA, 92660. Phone: (949) 525-0700. Providers update this record themselves, so call before visiting.
How can I verify Michelle Aszterbaum, MD's license?
NPPES lists California license number G81356, 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 Michelle Aszterbaum, MD prescribe under Medicare Part D?
In 2024, Michelle Aszterbaum, MD had 709 Medicare Part D claims for 273 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Michelle Aszterbaum, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.