Mark Chang, M.D.
Urology Physician · West Nyac, NY
Mark Chang, M.D. is a urology physician with a practice address in West Nyac, New York, and NPI 1356564934, issued on Apr 11, 2007. Check the license (New York 240243-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Chang
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 240243-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2 Medical Park Dr., West Nyac, NY 10994
- Phone
- (845) 354-5000
- Enumerated
- Apr 11, 2007
- Record last updated
- May 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (845) 354-9469
- Medicaid ID
- 02889150 NY
- Medicare enrollment
- Enrolled (PECOS I20070615000102); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,091 in New York → Look up another NPI →
Verify Mark Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 240243-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% more Medicare Part D claims than the average urology physician in 2024
2,608 Medicare Part D claims for 589 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Tamsulosin Hcl973 claims
- Finasteride365 claims
- Oxybutynin Chloride Er251 claims
- Gemtesa158 claims
- Alfuzosin Hcl Er139 claims
- Cefuroxime106 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $769.14
37 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. 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.
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
- Integrated Medical Professionals PLLCSeaford, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Chang among 1,091 urology physician records in New York
Mark Chang, M.D. is one of 1,091 urology physician records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2000 among the 735 with a school on file
- Record last updated2012 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in New York
There are 1,091 urology physician records in New York.
The 8 urology physician records with the nearest ZIP codes
- Ross Bauer, MDWest Nyack, NY 109941336308873
- Richard Evans, MDWest Nyack, NY 109941821073289
- Mitchell Fraiman, MDWest Nyack, NY 109941417931189
- John Giella, MDWest Nyack, NY 109941912982372
- Nikhil Gupta, M.D.West Nyack, NY 109941912298381
- Richard Kroll, MDWest Nyack, NY 109941831173582
- Kathleen Latino, MDWest Nyack, NY 109941699759340
- Alexander Schwartz, M.D.West Nyack, NY 109941275569378
Common questions
What is Mark Chang, M.D.'s NPI number?
Mark Chang, M.D.'s National Provider Identifier (NPI) is 1356564934, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Chang, M.D. located?
The NPPES record lists a practice address at 2 Medical Park Dr., West Nyac, NY, 10994. Phone: (845) 354-5000. Providers update this record themselves, so call before visiting.
How can I verify Mark Chang, M.D.'s license?
NPPES lists New York license number 240243-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Chang, M.D. prescribe under Medicare Part D?
In 2024, Mark Chang, M.D. had 2,608 Medicare Part D claims for 589 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Mark Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.