Dr. Sima Porten, M.D
What this data tells you about Dr. Porten
Dr. Sima Porten is an urology physician in San Francisco, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Porten performed 1,037 Medicare services across 722 unique beneficiaries.
Between the years covered by Open Payments, Dr. Porten received a total of $52,754 from 16 pharmaceutical and/or device companies across 65 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in urology physician. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Porten 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 |
|---|---|---|---|
| Cystourethroscopy A diagnostic exam of the bladder and urethra using an endoscope to visually inspect the urinary tract. |
478 | $62 | $1,271 |
| 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. |
119 | $85 | $577 |
| 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. |
85 | $111 | $867 |
| 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. |
75 | $56 | $393 |
| Imaging of urinary tract with contrast An imaging test of the urinary tract performed after a contrast agent is injected to enhance visibility of the structures. |
41 | $22 | $135 |
| Endoscopic removal of bladder or urethra growth, 2.0-5.0 cm This procedure uses an endoscope to destroy or remove a growth from the bladder or urethra that measures between 2.0 and 5.0 centimeters. |
40 | $247 | $1,557 |
| 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. |
38 | $113 | $3,534 |
| 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. |
29 | $66 | $575 |
| Bladder/urethra growth removal via endoscope, 0.5-2.0 cm This procedure uses an endoscope to destroy or remove a growth from the bladder or urethra that measures between 0.5 and 2.0 centimeters. |
25 | $211 | $1,331 |
| Bladder biopsy using endoscope A procedure to remove a small tissue sample from the bladder using a thin, flexible tube with a camera. The sample is then examined to check for abnormalities. |
22 | $111 | $2,930 |
| 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. |
19 | $30 | $241 |
| Telephone medical discussion, 21-30 minutes A telephone conversation with a physician lasting between 21 and 30 minutes. This code covers the time spent discussing medical matters over the phone. |
15 | $70 | $183 |
| Radical cystectomy with lymph node removal and urinary diversion Surgical removal of the bladder and pelvic lymph nodes, with rerouting of the ureters to the intestine to create a new opening for urine drainage. |
14 | $1,920 | $11,753 |
| Bladder instillation of anti-cancer drug A procedure where an anti-cancer medication is introduced directly into the bladder. This method delivers the treatment locally to the bladder tissue. |
14 | $19 | $711 |
| Bladder tumor removal via endoscope This procedure involves using an endoscope to destroy or remove a large growth from the bladder. |
12 | $326 | $2,706 |
| Endoscopic destruction of bladder/urethra growth, less than 0.5 cm A procedure to remove abnormal tissue growths from the bladder or urethra using an endoscope. This specific code applies when the growths are smaller than 0.5 centimeters. |
11 | $151 | $7,115 |
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 consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 6% for urology physician in CA.
Geographic Context
2.1 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. Porten is a clinical cardiology specialist, with moderate Medicare volume, with consulting-driven industry engagement in the top 6% 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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