Are you Dr. Chang? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Timothy C. Chang, MD
- Stanford location main office
300 Pasteur Dr, Stanford, CA 94305 - Mountain View location
49 Showers Dr Apt A337, Mountain View, CA 94040
About Dr. Chang
Based in Stanford, CA, Timothy C. Chang, MD is listed in the NPI registry under urology. Timothy graduated from Stanford University School of Medicine in 2013. Timothy is also listed as specializing in surgery. According to Medicare claims data, Timothy cared for 451 Medicare patients across 505 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, telephone medical discussion with physician, 11-20 minutes, and insertion of stent in ureter using an endoscope. NPI 1437594496 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 725-5746
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
49 Showers Dr Apt A337
Mountain View, CA 94040
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Pediatric urology
Reconstructive and complex
- Urethral injury
- Urinary diversion complications
- Urinary tract fistula
- Urologic complications of kidney transplant
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Procedures & services
Bladder & bowel
Bladder and urinary
Bladder procedures
- Artificial Urinary Sphincter Implant
- Artificial urinary sphincter implantation
- Bladder Botox Injection
- Bladder instillation therapy
- Botulinum toxin injection into the bladder
- Percutaneous tibial nerve stimulation
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
- Urinary diversion
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
- Kidney and ureter removal
- Partial kidney removal
- Pyeloplasty
- Radical kidney removal
- Ureteral reconstruction
- Ureteral reimplantation
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
- Vasectomy reversal
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
- Transrectal ultrasound of the prostate
- Urinary flow testing
- Urodynamic testing
- Urologic consultation
Prostate
Prostate procedures
- HoLEP Laser Prostate Surgery
- Laser enucleation of the prostate
- Laser vaporization of the prostate
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Robotic simple prostatectomy
- Transurethral resection of the prostate
- Water-vapor treatment for enlarged prostate
Reconstructive and pediatric
Stone procedures
- Laser treatment of urinary stones
- Nephrostomy tube management
- Percutaneous kidney-stone removal
- Shock-wave treatment of kidney stones
- Ureteral stent placement
- Ureteroscopy
Most searched procedures
Procedures Most Often Billed to Medicare
505 services · 451 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
55 | More than most peers in Urology |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
40 | More than most peers in Urology |
| Removal or manipulation of stone in ureter or kidney using an endoscope | Procedure | 52352 |
19 | More often than most peers in Urology |
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | Procedure | 52310 |
18 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
14 | Less often than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
12 | Less often than most peers in Urology |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
22 | As often as other peers in Urology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
96 | As often as other peers in Urology |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
68 | More often than most peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other urologists in Stanford 8
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Stanford University School of Medicine 5
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of stent in ureter using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an urologist in Stanford, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (650) 725-5746. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1437594496. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chang go to medical school?
Dr. Chang attended Stanford University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
According to Medicare billing data, Dr. Chang performs procedures including insertion of stent in ureter using an endoscope, crushing of stone of ureter with insertion of stent using an endoscope and removal or manipulation of stone in ureter or kidney using an endoscope; reads or performs imaging such as imaging of urinary tract following injection of a contrast agent, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.