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DR. MONICA L ASZTERBAUM MD
NPI 1689737942
Obstetrics & Gynecology in Newport Beach, CA

Active since December 18, 2006PECOS EnrolledAccepts Medicare Assignment
84.41/100
CMS Quality Rating
510 SUPERIOR AVENUE SUITE 200B, NEWPORT BEACH, CA 92663(949) 559-1911(949) 559-4071 Get Directions Write a Review

NPPES record last updated: July 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2022, Jun 28, 2021, May 19, 2021 (3 updates tracked since 2021).

About Dr. Monica L Aszterbaum Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MONICA L ASZTERBAUM MD (NPI 1689737942) is an individual obstetrics & gynecology provider in Newport Beach, California, licensed in California (G69224) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1986).

NPPES Registry Identity

NPI1689737942
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MONICA L ASZTERBAUMCredential: MD
Location Address510 SUPERIOR AVENUE SUITE 200BNewport Beach, CA 92663
Mailing Address510 Superior Avenue Suite 200bNewport Beach, CA 92663 · (949) 763-3106 · Fax (949) 559-4071
Phone(949) 559-1911
Fax(949) 559-4071
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1986
Enumeration DateDecember 18, 2006
Last NPPES UpdateJuly 6, 20223 updates tracked since enumeration
NPPES CertifiedJuly 6, 2022
✔ NPI 1689737942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G69224
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedSpecialistTaxonomy 174400000X · License G69224 (CA)
510 SUPERIOR AVENUE SUITE 200B, Newport Beach, CA 92663
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G692240CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Monica L Aszterbaum Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981665817
PECOS Enrollment IDI20041025001028
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Monica Aszterbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hoag Clinic
Same address
Primary Care
510 SUPERIOR AVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 529 clinicians in this Medicare group
NPI 1942799523 (949) 791-3001
Memorialcare Medical Foundation
5.9 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
92 services92 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
88 services72 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
73 services69 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
48 services48 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
32 services32 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.67
Promoting Interoperability100
Improvement Activities40
Cost57.36

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Monica Aszterbaum's NPI number?

The NPI number for Monica Aszterbaum is 1689737942. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Where is Monica Aszterbaum located?

Monica Aszterbaum practices at 510 Superior Avenue Suite 200B, Newport Beach, CA 92663. The listed phone number is (949) 559-1911.

What is Monica Aszterbaum's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Monica Aszterbaum enrolled in Medicare?

Yes. Monica Aszterbaum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Monica Aszterbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monica Aszterbaum reassigns Medicare benefits to 2 organizations: Hoag Clinic (Newport Beach, CA) and Memorialcare Medical Foundation (Fountain Valley, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Monica Aszterbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Monica Aszterbaum was last updated on July 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.