Guy Sydney, M.D.
NPI 1386218089 · Student in an Organized Health Care Education/Training Program · New Haven, CT
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Sydney, M.D. is a Student in an Organized Health Care Education/Training Program provider in New Haven, CT (NPI 1386218089).
Provider details
- NPI number
- 1386218089
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125077717 (IL)
Specialties & taxonomies
Student, Health Care
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
5 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
- 2021-05-17
- Last updated
- 2024-05-12
- Certified
- 2024-05-12
Frequently asked questions
- What is Guy Sydney's NPI number?
- Guy Sydney's National Provider Identifier (NPI) is 1386218089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Sydney's specialty?
- Guy Sydney is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Guy Sydney located?
- Guy Sydney's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Guy Sydney's phone number?
- The practice phone number listed in the NPPES registry for Guy Sydney is (203) 688-4242.
- Does Guy Sydney accept Medicare?
- Guy Sydney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Sydney's NPI active?
- Yes — Guy Sydney's NPI (1386218089) is active in the NPPES registry as of the last update on 2024-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.