Amy S. Chang, MD
Dermatology Physician · North Easton, MA
Amy S. Chang, MD is a dermatology physician with a practice address in North Easton, Massachusetts, and NPI 1023022522, issued on Jul 28, 2006. Check the license (Massachusetts 220385, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Amy S. Chang
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 220385 MA
Self-reported in NPPES; status is on the state search - Practice location
- 31 Roche Bros Way, North Easton, MA 02356
- Phone
- (508) 535-3376
- Enumerated
- Jul 28, 2006
- Record last updated
- Jan 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (508) 535-3377
- Medicaid ID
- 2064821 MA
- Medicare enrollment
- Enrolled (PECOS I20040728000362); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 31 Roche Bros Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliana Bahia Mazzafera, MDInternal Medicine Physician1588152631
- Patricia Bido, MDInternal Medicine Physician1740819150
- Leera Briceno, MDDermatology Physician1952374209
- Suvekchha Devkota, M.D.Pediatrics Physician1316294929
- Lindsay Eminger, M.D.Dermatology Physician1184851826
- James Fitzgerald, M.D.Urology Physician1841297710
Verify Amy S. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 220385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average dermatology physician in 2024
796 Medicare Part D claims for 375 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Clobetasol Propionate105 claims
- Triamcinolone Acetonide84 claims
- Metronidazole67 claims
- Ketoconazole61 claims
- Fluorouracil49 claims
- Fluocinonide48 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $173.30
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- South Shore Dermatology Physicians PCNorth Easton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy S. Chang among 627 dermatology physician records in Massachusetts
Amy S. Chang, MD is one of 627 dermatology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2000 · median 2008 among the 445 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 dermatology physician records list a practice address in North Easton
They are 5 of the 320 NPPES records with a practice address in North Easton, and 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in North Easton → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Leera Briceno, MDNorth Easton, MA 023561952374209
- Lindsay Eminger, M.D.North Easton, MA 023561184851826
- Daniel Loo, MDNorth Easton, MA 023561982695573
- Christine Urman, M.D.North Easton, MA 023561750576351
- Katherine Ayers, M.D.Plymouth, MA 023601104923069
- Navid Bouzari, M.D.Plymouth, MA 023601417168535
- Jeffrey Farber, M.D.Plymouth, MA 023601497774962
- Anne-Sophie Gadenne, MDPlymouth, MA 023601891850343
Common questions
What is Amy S. Chang, MD's NPI number?
Amy S. Chang, MD's National Provider Identifier (NPI) is 1023022522, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy S. Chang, MD located?
The NPPES record lists a practice address at 31 Roche Bros Way, North Easton, MA, 02356. Phone: (508) 535-3376. Providers update this record themselves, so call before visiting.
How can I verify Amy S. Chang, MD's license?
NPPES lists Massachusetts license number 220385, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Amy S. Chang, MD prescribe under Medicare Part D?
In 2024, Amy S. Chang, MD had 796 Medicare Part D claims for 375 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Amy S. Chang, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.