Dr. Susan Mendelsohn, MD
What this data tells you about Dr. Mendelsohn
Dr. Susan Mendelsohn is an obstetrics & gynecology specialist in Laguna Hills, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Mendelsohn performed 2,664 Medicare services across 2,592 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mendelsohn received a total of $1,939 from 30 pharmaceutical and/or device companies across 96 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in obstetrics & gynecology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Mendelsohn is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
371 | $100 | $301 |
| Fecal immunochemical test (FIT), 1-3 simultaneous A screening test that uses a stool sample to detect hidden blood in the feces, helping to identify potential colorectal cancer. |
371 | $18 | $39 |
| 3D screening mammography (tomosynthesis) A screening imaging test of the breast using 3D technology to detect potential abnormalities. |
357 | $29 | $59 |
| Screening mammography An X-ray of the breast used to detect breast cancer in women who have no signs or symptoms of the disease. |
357 | $111 | $234 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
275 | $76 | $204 |
| Pelvic and clinical breast exam for cancer screening A physical examination of the pelvis and breasts to screen for cervical or vaginal cancer. This procedure involves a clinical assessment performed by a healthcare provider. |
272 | $44 | $87 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
167 | $45 | $200 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
109 | $87 | $303 |
| Pap smear screening test A screening test to collect and prepare a cervical or vaginal sample for laboratory analysis. |
88 | $50 | $99 |
| Transvaginal pelvic ultrasound An ultrasound exam using a probe inserted into the vagina to image the uterus, ovaries, fallopian tubes, cervix, and surrounding pelvic structures. |
55 | $105 | $284 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
47 | $3 | $9 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
47 | $127 | $461 |
| Annual depression screening | 43 | $21 | $55 |
| Complete pelvic ultrasound An imaging test using sound waves to create pictures of the organs and structures within the pelvis. |
42 | $99 | $254 |
| Endometrial biopsy A procedure to remove a small sample of tissue from the lining of the uterus for examination. |
21 | $79 | $311 |
| Assessment of emotional or behavioral problems An evaluation to identify and understand emotional or behavioral issues. This process involves reviewing symptoms and behaviors to determine the nature of the concerns. |
19 | $3 | $20 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
12 | $156 | $403 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
11 | $43 | $125 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Mendelsohn is a clinical cardiology specialist, with above-average Medicare volume (top 2% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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