Monica L. Aszterbaum, MD
Obstetrics & Gynecology Physician · Newport Beach, CA
Monica L. Aszterbaum, MD is an obstetrics & gynecology physician with a practice address in Newport Beach, California, and NPI 1689737942, issued on Dec 18, 2006. Check the license (California G69224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Monica L. Aszterbaum
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G69224 CA
Self-reported in NPPES; status is on the state search - Practice location
- 510 Superior Avenue Suite 200B, Newport Beach, CA 92663
- Phone
- (949) 559-1911
- Enumerated
- Dec 18, 2006
- Record last updated
- Jul 6, 2022
- Fax
- (949) 559-4071
- Medicaid ID
- 00G692240 CA
- Medicare enrollment
- Enrolled (PECOS I20041025001028); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1986
- Entity
- Type 1 · individual
Verify Monica L. Aszterbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
806 Medicare Part D claims for 235 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Estradiol199 claims
- Progesterone157 claims
- Estradiol (Twice Weekly)64 claims
- Alprazolam43 claims
- Clobetasol Propionate43 claims
- Misoprostol32 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): 84.4 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: $21.10
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Monica L. Aszterbaum, MD's NPI number?
Monica L. Aszterbaum, MD's National Provider Identifier (NPI) is 1689737942, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Monica L. Aszterbaum, MD located?
The NPPES record lists a practice address at 510 Superior Avenue Suite 200B, Newport Beach, CA, 92663. Phone: (949) 559-1911. Providers update this record themselves, so call before visiting.
How can I verify Monica L. Aszterbaum, MD's license?
NPPES lists California license number G69224, 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 Monica L. Aszterbaum, MD prescribe under Medicare Part D?
In 2024, Monica L. Aszterbaum, MD had 806 Medicare Part D claims for 235 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Monica L. Aszterbaum, MD's MIPS final score?
The 2023 MIPS final score is 84.4 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.