DR. DEREK VICTOR CHAN M.D., PH.D.
NPI 1932488574
Dermatology in New York, NY
About Dr. Derek Victor Chan M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEREK VICTOR CHAN M.D., PH.D. (NPI 1932488574) is an individual dermatology provider in New York, New York, licensed in New York (279602) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with P H S Indian Hospital-ft Belknap At Harlem - Cah, and is a graduate of Boston University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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. Derek Victor Chan M.d., Ph.d. 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 Reassignments
6Medicare enrollment records show Derek Chan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10010
- Reassigned Medicare billing, New York enrollment
New York, NY 10075
- Reassigned Medicare billing, New York enrollment
- 3 clinicians in this Medicare group
Cannonball, ND 58528
- Reassigned Medicare billing, Texas enrollment
- 71 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 clinicians in this Medicare group
Poplar, MT 59255
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Health Dept Of Health & Human Services
- 306 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
P H S Indian Hospital-Ft Belknap At Harlem - Cah
Critical Access Hospitals · Harlem, MTP H S Indian Hospital Crow / Northern Cheyenne
Critical Access Hospitals · Crow Agency, MTEagle Butte Indian Health Service Hospital
Critical Access Hospitals · Eagle Butte, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10010 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Derek Chan's NPI number?
The NPI number for Derek Chan is 1932488574. It was assigned to this individual provider in the NPPES registry on August 14, 2011.
Where is Derek Chan located?
Derek Chan practices at 928 Broadway Ste 301, New York, NY 10010. The listed phone number is (212) 606-3780.
What is Derek Chan's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Derek Chan enrolled in Medicare?
Yes. Derek Chan 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 organizations bill Medicare for Derek Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Chan reassigns Medicare benefits to 6 organizations: All Dermis Dermatology, PC (New York, NY), Monica Halem MD PC (New York, NY), Fort Yates Indian Health Service Hospital (Cannonball, ND), Rosebud Indian Health Service (Rosebud, SD), Eagle Butte Indian Health Service Hospital (Eagle Butte, SD) and 1 more organization, listed in the Medicare section above. Each 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 Derek Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Chan accept?
Health plans from Blue Cross Blue Shield of North Dakota list Derek Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Derek Chan affiliated with any hospitals?
According to CMS data, Derek Chan is affiliated with P H S Indian Hospital-Ft Belknap At Harlem - Cah, P H S Indian Hospital Crow / Northern Cheyenne and Eagle Butte Indian Health Service Hospital.
When was this NPI record last updated?
The NPPES record for Derek Chan was last updated on September 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.