Dr. Christopher Tarnay, MD
What this data tells you about Dr. Tarnay
Dr. Christopher Tarnay is an obstetrics & gynecology specialist in Los Angeles, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Tarnay performed 2,836 Medicare services across 1,000 unique beneficiaries.
Between the years covered by Open Payments, Dr. Tarnay received a total of $40,013 from 11 pharmaceutical and/or device companies across 127 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in obstetrics & gynecology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Tarnay 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 |
|---|---|---|---|
| Botox injection, per unit An injection of onabotulinumtoxinA, a medication used to temporarily relax muscles or reduce gland activity. The dose is measured in units, with this code representing a single unit administered. |
1,600 | $5 | $38 |
| 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. |
288 | $105 | $858 |
| 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. |
246 | $73 | $508 |
| Bladder ultrasound after voiding An ultrasound scan performed after urination to measure the amount of urine remaining in the bladder. |
183 | $10 | $150 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
110 | $3 | $36 |
| 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. |
101 | $136 | $1,085 |
| Insertion of temporary bladder tube | 68 | $38 | $306 |
| Fitting and insertion of vaginal support device A procedure to measure, fit, and insert a device designed to support vaginal structures. |
27 | $67 | $394 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
24 | $22 | $85 |
| Electronic assessment of bladder emptying A test that uses electronic monitoring to evaluate how well the bladder empties urine. |
22 | $8 | $460 |
| Urethral sling procedure for female incontinence A surgical procedure that creates a supportive sling around the urethra to help control urinary leakage in women. |
17 | $400 | $4,612 |
| Cystoscopy with chemical ablation of bladder A procedure where a camera is used to examine the bladder and a chemical agent is applied to destroy abnormal tissue. |
16 | $359 | $2,125 |
| Non-rubber pessary A non-rubber device inserted into the vagina to support pelvic organs. |
16 | $52 | $229 |
| Complex urodynamic pressure flow study A test that measures the pressure of urine flow in the bladder during voiding to evaluate how well the bladder and urethra are functioning. |
15 | $342 | $2,180 |
| Non-needle muscle activity measurement of bladder and bowel openings This procedure measures and records the electrical activity of muscles at the bladder and bowel openings without using needles. |
15 | $29 | $1,085 |
| Abdominal device insertion with pressure and urine flow study A procedure involving the placement of a device into the abdomen, accompanied by a study to measure pressure and urine flow rate. |
14 | $182 | $1,400 |
| Vaginal defect repair using endoscope A surgical procedure to repair a defect in the vagina using an endoscope, which is a thin, lighted tube inserted into the body to visualize the area. |
14 | $834 | $4,602 |
| 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. |
14 | $100 | $684 |
| Simple measurement of urine flow pressure in bladder A test that measures the pressure of urine flow within the bladder. This procedure assesses bladder function by recording pressure changes during urination. |
12 | $203 | $1,107 |
| Vaginal repair of tissue between vagina, rectum, and bladder A surgical procedure to repair the vaginal wall and the tissue separating the vagina from the rectum and bladder. |
12 | $451 | $4,072 |
| Vaginal repair of pelvic ligaments A surgical procedure to repair pelvic ligaments through the vagina. |
11 | $384 | $2,685 |
| Vaginal repair of prolapsing vaginal vault A surgical procedure to correct a prolapse of the vaginal vault by repairing it through the vagina. |
11 | $304 | $3,154 |
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 ›
The majority of payments (84%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in obstetrics & gynecology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 2% for obstetrics & gynecology in CA.
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. Tarnay is a clinical cardiology specialist, with above-average Medicare volume (top 2% in CA), with speaking/promotional industry engagement in the top 2% of CA peers, 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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