Eric Fan, M.D. LLC
NPI 1700100781 · Internal Medicine Physician · New Haven, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Fan, M.D. LLC is a Internal Medicine Physician organization in New Haven, CT (NPI 1700100781).
Provider details
- NPI number
- 1700100781
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Eric Fan, Manager(203) 867-5600
- License
- 038797 (CT)
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
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
- 2010-03-20
- Last updated
- 2010-03-20
Frequently asked questions
- What is Eric Fan, M.D. LLC's NPI number?
- Eric Fan, M.D. LLC's National Provider Identifier (NPI) is 1700100781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Eric Fan, M.D. LLC?
- Eric Fan, M.D. LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Fan, M.D. LLC located?
- Eric Fan, M.D. LLC's practice location on file with NPPES is 200 Orchard St, New Haven, CT 06511-5363.
- What is Eric Fan, M.D. LLC's phone number?
- The practice phone number listed in the NPPES registry for Eric Fan, M.D. LLC is (203) 867-5600.
- Does Eric Fan, M.D. LLC accept Medicare?
- Eric Fan, M.D. LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Eric Fan, M.D. LLC?
- The authorized official listed on Eric Fan, M.D. LLC's NPPES record is Eric Fan, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Eric Fan, M.D. LLC's NPI active?
- Yes — Eric Fan, M.D. LLC's NPI (1700100781) is active in the NPPES registry as of the last update on 2010-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.