Michelle Aszterbaum, MD
NPI 1992891329 · Dermatology Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Aszterbaum, MD is a Dermatology Physician provider in Newport Beach, CA (NPI 1992891329).
Provider details
- NPI number
- 1992891329
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G81356 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,492 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 | 1,852 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,002 | $141 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 577 | $55 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 560 | $39 |
| Biopsy of Related Skin Growth, First Growth11102 | 321 | $100 |
| Destruction of Skin Growth, 1-14 Growths17110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 51 | 39 |
| Clobetasol Propionate | 48 | 34 |
| Triamcinolone Acetonide | 43 | 35 |
| Valacyclovir Hclbrand: Valacyclovir | 40 | 30 |
| Mometasone Furoate | 39 | 31 |
| Metronidazole | 37 | 18 |
| Ciclopirox | 33 | 12 |
| Ketoconazole | 32 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$721 across 25 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
Additional practice locations (1)
- 1441 Avocado Ave Ste 806Newport Beach, CA 92660-7709Phone: (949) 718-1222Fax: (949) 718-1220
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2022-07-21
Frequently asked questions
- What is Michelle Aszterbaum's NPI number?
- Michelle Aszterbaum's National Provider Identifier (NPI) is 1992891329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Aszterbaum's specialty?
- Michelle Aszterbaum is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Aszterbaum located?
- Michelle Aszterbaum's practice location on file with NPPES is 1441 Avocado Ave Ste 807, Newport Beach, CA 92660-7709.
- What is Michelle Aszterbaum's phone number?
- The practice phone number listed in the NPPES registry for Michelle Aszterbaum is (949) 525-0700.
- Does Michelle Aszterbaum accept Medicare?
- Michelle Aszterbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Aszterbaum's NPI active?
- Yes — Michelle Aszterbaum's NPI (1992891329) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.