Joanne Chan, MD
NPI 1700103421 · Family Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Chan, MD is a Family Medicine Physician provider in Boston, MA (NPI 1700103421).
Provider details
- NPI number
- 1700103421
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A124873 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-04-21
- Last updated
- 2022-09-09
- Certified
- 2022-09-08
Frequently asked questions
- What is Joanne Chan's NPI number?
- Joanne Chan's National Provider Identifier (NPI) is 1700103421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Chan's specialty?
- Joanne Chan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Chan located?
- Joanne Chan's practice location on file with NPPES is 800 Boylston St #151, Boston, MA 02199.
- What is Joanne Chan's phone number?
- The practice phone number listed in the NPPES registry for Joanne Chan is (415) 349-0840.
- Does Joanne Chan accept Medicare?
- Joanne Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Chan's NPI active?
- Yes — Joanne Chan's NPI (1700103421) is active in the NPPES registry as of the last update on 2022-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.