Doctor profile · Federal record

Dr. Sima Porten, M.D

Urology Physician (CMS: Urology) · San Francisco, CA

  • NPI 1124157474
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1825 4Th Street
San Francisco, CA 94158
(415) 353-7171
Additional location
1515 Holcombe Blvd
Houston, TX 770304009
(713) 792-6161

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
August 4, 2023
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
California #XXXXXXXX
Medicaid
TX #319115701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124157474. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,037
Distinct HCPCS
10
Medicare allowed
$148,504
HCPCS Description Services Patients Avg allowed
52000 Diagnostic exam of bladder and urethra using an endoscope 478 238 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 119 86 $110
99204 New patient office or other outpatient visit, 45-59 minutes 85 85 $150
99213 Established patient office or other outpatient visit, 20-29 minutes 75 63 $74
74420 Imaging of urinary tract following injection of a contrast agent 41 31 $28
52235 Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm 40 36 $312
52332 Insertion of stent in ureter using an endoscope 38 27 $144
99203 New patient office or other outpatient visit, 30-44 minutes 29 29 $92
52234 Destruction and/or removal of growth of bladder and urethra using an endoscope, 0.5-2.0 cm 25 24 $264
52204 Biopsy of bladder using an endoscope 22 20 $139

In context: peer comparison

Among 17 peers in San Francisco Urology Physician, average services per provider: 101. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12,262
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 4 $5,260.00
Janssen Research & Development, LLC 1 $4,725.00
E.R. Squibb & Sons, L.L.C. 2 $2,040.00
Ferring Pharmaceuticals INC. 2 $149.21
Immunitybio, INC. 1 $32.32
Boston Scientific Corporation 1 $29.28
Astellas Pharma Global Development 1 $25.94

By nature of payment

Consulting Fee
$11,995
Food and Beverage
$267

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
68
Total drug cost
$16,854
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 88 24 $1,560
Finasteride Generic 35 0 $533
Oxybutynin Chloride Generic 34 21 $534
Myrbetriq (Mirabegron) Brand 27 0 $14,064
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 11 $99
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 12 $63

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sima Porten's medical specialty?
Dr. Sima Porten practices Urology Physician in San Francisco, CA.
Where does Dr. Sima Porten practice?
Dr. Sima Porten practices at 1825 4Th Street, San Francisco, CA 94158. Office phone: 4153537171.
What is Dr. Sima Porten's NPI?
Dr. Sima Porten's National Provider Identifier (NPI) is 1124157474, issued by NPPES.
Does Dr. Sima Porten accept Medicare assignment?
Yes. Dr. Sima Porten accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sima Porten commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of bladder and urethra using an endoscope (HCPCS 52000); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.