Dr. Michelle Aszterbaum, MD

  • Newport Beach, CA
  • Dermatologist
NPI1992891329PAC ID6305977711
Medicare services, 2024
8,927
Medicare patients, 2024
721
Part D claims, 2024
709
Publications
15
MIPS score, 2024
100
Practice address
1441 Avocado Ave, Newport Beach, CA 92660
Practice phone
Call (949) 640-7200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Beth Ary MD Inc

Newport Beach, California

See all 7 affiliations

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Dr. Michelle Aszterbaum is a dermatologist in Newport Beach, California

Dr. Aszterbaum practices at Beth Ary MD Inc in Newport Beach, California.

Dr. Aszterbaum's NPI, 1992891329, was assigned on October 5, 2006. Dr. Aszterbaum graduated from UC Davis School of Medicine in 1993. Dr. Aszterbaum holds California license G81356.

NPI and contact details
Medicare PAC ID
6305977711
NPI enumeration date
October 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 640-7200
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michelle Aszterbaum practices at Beth Ary MD Inc in Newport Beach, California

Dr. Aszterbaum's primary practice is Beth Ary MD Inc, at 1441 Avocado Ave, Newport Beach, CA 92660 in Orange County. The practice phone is (949) 640-7200.

  • Beth Ary MD Inc
    1441 Avocado Ave, Newport Beach, CA 92660 · Orange CountyPhone(949) 640-7200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michelle Aszterbaum is affiliated with 4 sites of care and 3 medical groups

Dr. Aszterbaum's primary practice is Beth Ary MD Inc in Newport Beach, California. Dr. Aszterbaum is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Skin Cancer and Reconstructive Surgery (SCARS) Center. Dmand AI also links Dr. Aszterbaum to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Aszterbaum

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michelle Aszterbaum's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aszterbaum practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Beth Ary MD IncAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michelle Aszterbaum is one of 1,910 dermatologists in California

Dermatology is Dr. Aszterbaum's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Aszterbaum is board certified in dermatology by the American Board of Dermatology. Dr. Aszterbaum is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense G81356 · 1995 to 2027 · taxonomy 207N00000X

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and hives among the conditions Dr. Aszterbaum treats.

Dermatologists near Dr. Aszterbaum

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michelle Aszterbaum billed Medicare for 8,927 services in 2024

CMS data shows 8,927 Medicare services from Dr. Aszterbaum across 33 procedure codes in 2024, for 721 Medicare patients. Medicare paid $362,306 for them. Every service was in an office.

Medicare services, 20248,927
Medicare patients721
Paid by Medicare$362,306
Procedure codes33

Dr. Aszterbaum's Medicare services by type, 2024

  1. Surgery3,694
  2. Drugs given in the office3,435
  3. Office and hospital visits1,221
  4. Lab and pathology560
  5. Other services17

Dr. Aszterbaum compared with the California median for dermatologists, 2024

  • Dr. Aszterbaum
  • California median
Medicare services
8,927vs 1,7505.1 times
Medicare patients
721vs 37791% above
Part D claims
571vs 36756% above

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Aszterbaum's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Aszterbaum

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michelle Aszterbaum treated 721 Medicare patients in 2024, average age 76

CMS counts 721 Medicare patients who saw Dr. Aszterbaum in 2024. The largest group is 75 to 84, with 327 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Aszterbaum's median patient age at 63, with 61% women.

Medicare patients, 2024721
Average age76
Average risk score0.87

Dr. Aszterbaum's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Aszterbaum's Medicare patients by sex, 2024

  • Women47666%
  • Men24534%

Chronic conditions among Dr. Aszterbaum's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis51%
  4. Osteoporosis23%
  5. Ischemic heart disease22%
  6. Cancer21%
  7. Diabetes18%
  8. Mood disorders18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Aszterbaum's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women61%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michelle Aszterbaum wrote 709 Medicare Part D claims in 2024

In 2024, Dr. Aszterbaum wrote 709 Medicare Part D claims for 273 patients. 91% of them were for generic drugs. CMS names the drug for 571 of them, across 20 drugs with 11 or more claims each, at $113,032 in total drug cost.

Part D claims, 2024709
Drugs named by CMS20
Total drug cost$113,032
Part D patients273

Dr. Aszterbaum's Part D claims by kind of drug, 2024

  • Generic644 claims91%
  • Brand-name65 claims9%

Dr. Aszterbaum's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Aszterbaum's Part D claims, 2024

  • Opioids2%13 of 709 claims
  • Antibiotics12%85 of 709 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Aszterbaum

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michelle Aszterbaum scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Aszterbaum for performance year 2024, reported through an alternative payment model (APM). Dr. Aszterbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,374 procedures of removal of skin lesions by Dr. Aszterbaum, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Aszterbaum's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Aszterbaum ranks in Medicare procedure volume

Removal of skin lesions
98th percentile2,374 procedures
Removal or shaving of skin growth
98th percentile866 procedures
Skin biopsy
92nd percentile342 procedures
Removal of skin cancer
31st percentile172 procedures
Melanoma (skin cancer) excision
92nd percentile89 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Michelle Aszterbaum has 15 publications on record

Dmand AI links 15 papers to Dr. Aszterbaum, published from 2014 to 2016. The most frequent topics are Skin Neoplasms, Carcinoma, Basal Cell and Basal Cell Nevus Syndrome. Dr. Aszterbaum has published most often in J Invest Dermatol. Dr. Aszterbaum's most frequent co-authors are Ervin Epstein, MD, David R. Bickers, MD and Anita Morena Chanana, MD.

Papers15
Years published2014 to 2016

Topics Dr. Aszterbaum writes about most

  • Skin Neoplasms
  • Carcinoma, Basal Cell
  • Basal Cell Nevus Syndrome
  • Skin
  • Membrane Proteins
  • Patched Receptors
  • Receptors, Cell Surface
  • Trans-Activators

Dr. Aszterbaum's most frequent co-authors

Recent publications by Dr. Aszterbaum

See all 15 publications and co-authors

See who Dr. Aszterbaum researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Aszterbaum works with, so you can find a warm path to the right dermatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michelle Aszterbaum received $1,778 in industry payments from 2024 to 2025

CMS Open Payments shows 63 general payments to Dr. Aszterbaum from 17 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Incyte Corporation paid the most, $300.

General payments to Dr. Aszterbaum by program year, 2024 to 2025

Companies that paid Dr. Aszterbaum the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Aszterbaum

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michelle Aszterbaum has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Aszterbaum.

Awards and honors for Dr. Aszterbaum

  1. Undated
    • AAD Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Michelle Aszterbaum graduated from UC Davis School of Medicine

Dr. Aszterbaum graduated from UC Davis School of Medicine in 1993. Dr. Aszterbaum is a member of AAD.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Michelle Aszterbaum accepts plans from 14 insurance carriers

Dr. Aszterbaum is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Aszterbaum accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Michelle Aszterbaum's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michelle Aszterbaum

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michelle Aszterbaum's NPI number?

Dr. Michelle Aszterbaum's NPI number is 1992891329. It was assigned on October 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michelle Aszterbaum?

Dr. Michelle Aszterbaum is a dermatologist in Newport Beach, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Michelle Aszterbaum practice?

Dr. Aszterbaum practices at 1441 Avocado Ave, Newport Beach, CA 92660. Dr. Aszterbaum's primary practice is Beth Ary MD Inc in Newport Beach, California. Dmand AI also links Dr. Aszterbaum to 1 hospital, 2 medical groups and 1 group practice or clinic.

What is Dr. Michelle Aszterbaum's office phone number?

The practice phone on file for Dr. Aszterbaum is (949) 640-7200.

What is Dr. Michelle Aszterbaum's medical license number?

Dr. Aszterbaum holds California license G81356.

Which hospitals is Dr. Michelle Aszterbaum affiliated with?

Dr. Aszterbaum is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Aszterbaum to 1 more hospital.

What medical group is Dr. Michelle Aszterbaum part of?

Dr. Aszterbaum is linked to Skin Cancer and Reconstructive Surgery (SCARS) Center. Dmand AI links Dr. Aszterbaum to 2 more medical groups.

Does Dr. Michelle Aszterbaum accept Medicare?

Yes. CMS data shows Dr. Aszterbaum billed Medicare for 8,927 services in 2024, and Dr. Aszterbaum accepts Medicare assignment.

What is Dr. Michelle Aszterbaum's MIPS score?

Dr. Aszterbaum's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Michelle Aszterbaum see?

CMS counts 721 Medicare patients who saw Dr. Aszterbaum in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Michelle Aszterbaum board certified?

Yes. Dr. Aszterbaum is board certified in dermatology by the American Board of Dermatology.

What services does Dr. Michelle Aszterbaum bill to Medicare?

In 2024, Dr. Aszterbaum's most billed Medicare services were injected or infused drug (J7345), surgery: skin and soft tissue (17003) and office visit, established patient (99214).

Where did Dr. Michelle Aszterbaum go to medical school?

Dr. Aszterbaum graduated from UC Davis School of Medicine in 1993.

What drugs does Dr. Michelle Aszterbaum prescribe most?

In 2024 Medicare Part D data, Dr. Aszterbaum's most prescribed drugs by claims were Mupirocin, Clobetasol Propionate and Triamcinolone Acetonide.

Has Dr. Michelle Aszterbaum received payments from drug or device companies?

CMS Open Payments shows $1,778 in general payments to Dr. Aszterbaum from 17 companies from 2024 to 2025. The largest total came from Incyte Corporation.

How long has Dr. Michelle Aszterbaum been practicing?

Dr. Aszterbaum graduated from medical school in 1993, 33 years ago.

Does Dr. Michelle Aszterbaum do research?

Dmand AI links 15 publications to Dr. Aszterbaum, published from 2014 to 2016.

Who does Dr. Michelle Aszterbaum publish with?

Dr. Aszterbaum's most frequent co-authors are Ervin Epstein, MD (11 shared papers), David R. Bickers, MD (7 shared papers) and Anita Morena Chanana, MD (3 shared papers).

What insurance does Dr. Michelle Aszterbaum accept?

Dr. Aszterbaum is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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