DR. MICHAEL S CHANG MD
NPI 1518609684
Dermatology in Boston, MA
About Dr. Michael S Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL S CHANG MD (NPI 1518609684) is an individual dermatology provider in Boston, Massachusetts, licensed in Massachusetts (1026668) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael S Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Michael Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Chang's NPI number?
The NPI number for Michael Chang is 1518609684. It was assigned to this individual provider in the NPPES registry on April 10, 2022.
Where is Michael Chang located?
Michael Chang practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-3753.
What is Michael Chang's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Michael Chang enrolled in Medicare?
Yes. Michael Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Michael Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chang reassigns Medicare benefits to Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Chang was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Michael S Chang, MD · NPI 1518609684
Dermatology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 10, 2022.
## Identity
- **NPI:** 1518609684 (Entity type: Individual)
- **Enumerated:** April 10, 2022
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 1026668 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVE, Boston, MA 02215-5400
- **Phone:** (617) 667-3753
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2022
## Record status
- **NPPES last updated:** July 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1518609684) · Data from the CMS NPPES public registry.