Timothy Chan, MD, PHD
NPI 1538205620 · Radiation Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Chan, MD, PHD is a Radiation Oncology Physician provider in New York, NY (NPI 1538205620).
Provider details
- NPI number
- 1538205620
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- T0161 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-29
- Last updated
- 2010-05-05
Frequently asked questions
- What is Timothy Chan's NPI number?
- Timothy Chan's National Provider Identifier (NPI) is 1538205620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Chan's specialty?
- Timothy Chan is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Chan located?
- Timothy Chan's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Timothy Chan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Chan is (646) 888-2765.
- Does Timothy Chan accept Medicare?
- Timothy Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Chan's NPI active?
- Yes — Timothy Chan's NPI (1538205620) is active in the NPPES registry as of the last update on 2010-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.