Dr. Jennifer Gruenenfelder, M.D.
What this data tells you about Dr. Gruenenfelder
Dr. Jennifer Gruenenfelder is an urology physician in Orange, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Gruenenfelder performed 758 Medicare services across 656 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gruenenfelder received a total of $85,333 from 21 pharmaceutical and/or device companies across 262 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in urology physician. 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. Gruenenfelder 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. |
181 | $70 | $210 |
| 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. |
109 | $88 | $291 |
| 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. |
54 | $43 | $144 |
| Insertion of temporary bladder tube | 52 | $18 | $58 |
| 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. |
52 | $111 | $390 |
| Electronic assessment of bladder emptying A test that uses electronic monitoring to evaluate how well the bladder empties urine. |
43 | $3 | $19 |
| 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. |
43 | $27 | $105 |
| Cystourethroscopy A diagnostic exam of the bladder and urethra using an endoscope to visually inspect the urinary tract. |
43 | $44 | $197 |
| 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. |
42 | $13 | $143 |
| 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. |
33 | $78 | $243 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
22 | $35 | $85 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
20 | $117 | $407 |
| Simple insertion of temporary bladder tube A procedure to place a temporary tube into the bladder. This allows for the drainage of urine from the bladder. |
15 | $17 | $58 |
| Urethral sling procedure for female incontinence A surgical procedure that creates a supportive sling around the urethra to help control urinary leakage in women. |
14 | $435 | $1,670 |
| Ureteral stone crushing with stent insertion An endoscope is used to break up a stone in the ureter, followed by the placement of a stent to keep the ureter open. |
12 | $306 | $961 |
| 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. |
12 | $679 | $2,202 |
| Ureteral stent insertion via endoscope A flexible tube is inserted into the ureter using an endoscope to keep the passage open and allow urine to flow from the kidney to the bladder. |
11 | $99 | $358 |
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 (83%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in urology physician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 5% for urology physician 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. Gruenenfelder is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 5% 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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