Karolyn A. Chang, PA
Physician Assistant · Carmel, NY
Karolyn A. Chang, PA is a physician assistant with a practice address in Carmel, New York, and NPI 1972862845, issued on May 11, 2012. Check the license (New York 23015501, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karolyn A. Chang
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 23015501 NY
Self-reported in NPPES; status is on the state search - Practice location
- 670 Stoneleigh Avenue, Carmel, NY 10512
- Phone
- (845) 278-5687
- Enumerated
- May 11, 2012
- Record last updated
- May 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170719002553); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 670 Stoneleigh Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amina AliStudent in an Organized Health Care Education/Training Program1639873060
- Jaskaran Gogi, MDStudent in an Organized Health Care Education/Training Program1831839596
- Miranda Vece, MDPsychiatry Physician1659075364
Verify Karolyn A. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 23015501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
70 Medicare Part D claims for 18 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam17 claims
- Methylphenidate Er12 claims
- Zolpidem Tartrate11 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): 79.1 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).
Bills Medicare through one group practice
- Stamford Health Medical Group IncStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
20 physician assistant records list a practice address in Carmel
They are 20 of the 774 NPPES records with a practice address in Carmel, and 15,555 physician assistant records in New York.
All 20 in Carmel → All 15,555 in New York → Every provider in Carmel →
Other physician assistant records in New York
- Brynn Aakjar, P.A.Yonkers, NY1447592456
- Andrea Aaron, PABronx, NY1427103555
- Gabriella AaronCentral Islip, NY1790605376
- Danielle AaronsSmithtown, NY1881207520
- John AbadeerBrooklyn, NY1801434949
- Zenebou Abalo-Toga, PANew York, NY1124556154
- Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
- Clarisse AbanillaNew York, NY1598445579
- Vincent Abanilla, PA-CBrooklyn, NY1366201808
- Marie Abate, PA-CValhalla, NY1285225524
Common questions
What is Karolyn A. Chang, PA's NPI number?
Karolyn A. Chang, PA's National Provider Identifier (NPI) is 1972862845, issued on May 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karolyn A. Chang, PA located?
The NPPES record lists a practice address at 670 Stoneleigh Avenue, Carmel, NY, 10512. Phone: (845) 278-5687. Providers update this record themselves, so call before visiting.
How can I verify Karolyn A. Chang, PA's license?
NPPES lists New York license number 23015501, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Karolyn A. Chang, PA prescribe under Medicare Part D?
In 2024, Karolyn A. Chang, PA had 70 Medicare Part D claims for 18 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Karolyn A. Chang, PA's MIPS final score?
The 2023 MIPS final score is 79.1 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.