Chrystal Chang, M.D.
NPI 1568995009 · Urology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chrystal Chang, M.D. is a Urology Physician provider in Philadelphia, PA (NPI 1568995009).
Provider details
- NPI number
- 1568995009
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD477520 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
280 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $136 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 56 | $83 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $196 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 28 | $138 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 23 | $216 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 96 | 36 |
| Trospium Chloride | 43 | 17 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 23 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 20 | 18 |
| Finasteride | 18 | — |
| Levofloxacin | 12 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$522 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-11
- Last updated
- 2022-08-19
- Certified
- 2022-08-17
Frequently asked questions
- What is Chrystal Chang's NPI number?
- Chrystal Chang's National Provider Identifier (NPI) is 1568995009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chrystal Chang's specialty?
- Chrystal Chang is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Chrystal Chang located?
- Chrystal Chang's practice location on file with NPPES is 333 Cottman Ave, Philadelphia, PA 19111-2434.
- What is Chrystal Chang's phone number?
- The practice phone number listed in the NPPES registry for Chrystal Chang is (215) 728-6900.
- Does Chrystal Chang accept Medicare?
- Chrystal Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chrystal Chang's NPI active?
- Yes — Chrystal Chang's NPI (1568995009) is active in the NPPES registry as of the last update on 2022-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.