Physician Profile
Chrystal Y. Chang, M.D.
Unclaimed ProfileAbout Dr. Chang
Based in Philadelphia, PA, Chrystal Y. Chang, M.D. is listed in the NPI registry under urology. Chrystal graduated from Rutgers New Jersey Medical School in 2017. Chrystal is also listed as specializing in student in an organized health care education program. Medicare claims data shows Chrystal provided 280 services to 220 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (215) 728-6900
- Email not available
Practice Locations
333 COTTMAN AVE
Philadelphia, PA 19111
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
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
Most searched procedures
Office diagnosis
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
Procedures Most Often Billed to Medicare
280 services · 220 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
23 | Less often than most peers in Urology |
| Complex measurement of pressure of urine flow in bladder with voiding pressure studies | Procedure | 51728 |
13 | Less often than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
11 | Less often than most peers in Urology |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
14 | Less 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 |
68 | Less often than most peers in Urology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
56 | More often than most peers in Urology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
50 | More often than most peers in Urology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 | As often as other peers in Urology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
17 | 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.
Other urologists at this location 2
Same specialty, same street address — most likely the same department or group.
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 Philadelphia 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Rutgers New Jersey Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of bladder and urethra using an endoscope 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Chrystal Y. Chang specialize in?
Chrystal Y. Chang is an urologist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Chrystal Y. Chang located?
Chrystal Y. Chang is listed at 333 Cottman Ave, Philadelphia, PA 19111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Chrystal Y. Chang's phone number?
The number on file is (215) 728-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Chrystal Y. Chang?
Chrystal Y. Chang's National Provider Identifier is 1568995009. 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 Chrystal Y. Chang train?
Chrystal Y. Chang attended Rutgers New Jersey Medical School, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Chrystal Y. Chang have?
Chrystal Y. Chang has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Chrystal Y. Chang do most often?
According to Medicare billing data, Chrystal Y. Chang performs procedures including diagnostic exam of bladder and urethra using an endoscope, complex measurement of pressure of urine flow in bladder with voiding pressure studies and ultrasound measurement of bladder capacity after voiding; 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
Is Chrystal Y. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Chrystal Y. Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.