NPPES file of Aug 9, 2026

Chrystal Yin Chang, M.D.

Urology Physician · Philadelphia, PA

Chrystal Yin Chang, M.D. is a urology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1568995009, issued on Apr 11, 2017. Check the license (Pennsylvania MD477520, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568995009
Name
Chrystal Yin Chang
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
MD477520 PA
Self-reported in NPPES; status is on the state search
Practice location
333 Cottman Ave, Philadelphia, PA 19111
Phone
(215) 728-6900
Enumerated
Apr 11, 2017
Record last updated
Aug 19, 2022
Fax
(215) 214-1734
Medicare enrollment
Enrolled (PECOS I20230830004134); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 333 Cottman Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Philip Abbosh, MDPHDUrology Physician1871749424
  2. Andrea AbbottDiagnostic Radiology Physician1316268444
  3. Jesty Abraham, DODiagnostic Radiology Physician1417118373
  4. Allison Aggon, D.O.Surgery Physician1972759900
  5. Tahseen Al-Saleem, M.D.Anatomic Pathology & Clinical Pathology Physician1962474056
  6. Md Usman Ali, M.D.Internal Medicine Physician1619316882

Verify Chrystal Yin Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD477520
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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76% fewer Medicare Part D claims than the average urology physician in 2024

323 Medicare Part D claims for 102 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Chrystal Chang323
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl96 claims
  2. Trospium Chloride43 claims
  3. Alfuzosin Hcl Er23 claims
  4. Sulfamethoxazole-Trimethoprim20 claims
  5. Finasteride18 claims
  6. Levofloxacin12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score55.2
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $522.09

11 payments; by number, the most common kind was food and beverage; the largest payer was Coloplast Corp. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chrystal Chang$522.09
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Rutgers Health-Rwj Neurosurgery FacultyNew Brunswick, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Urology Physician providers in Pennsylvania

There are 663 urology physician records in Pennsylvania.

Other urology physician records in Pennsylvania

  1. Philip Abbosh, MDPHDPhiladelphia, PA1871749424
  2. Ahmed AbdallaPhiladelphia, PA1730758285
  3. Vineet Agrawal, M.D.Sayre, PA1932540218
  4. Victor Agusta, MDLancaster, PA1477754638
  5. Max Ahn, M.D.Wynnewood, PA1548224462
  6. Saeed Akbari, M.D.Coudersport, PA1356453062
  7. Mohammed Al Areef, MDErie, PA1285156968
  8. Samih Al Hayek, MDPittsburgh, PA1518247428
  9. Kusuma Devi Alaparthi, MDPhiladelphia, PA1538952353
  10. Rodrigo Alencar MoreiraPittsburgh, PA1679424071

Common questions

What is Chrystal Yin Chang, M.D.'s NPI number?

Chrystal Yin Chang, M.D.'s National Provider Identifier (NPI) is 1568995009, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Chrystal Yin Chang, M.D. located?

The NPPES record lists a practice address at 333 Cottman Ave, Philadelphia, PA, 19111. Phone: (215) 728-6900. Providers update this record themselves, so call before visiting.

How can I verify Chrystal Yin Chang, M.D.'s license?

NPPES lists Pennsylvania license number MD477520, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chrystal Yin Chang, M.D. prescribe under Medicare Part D?

In 2024, Chrystal Yin Chang, M.D. had 323 Medicare Part D claims for 102 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

What is Chrystal Yin Chang, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.