Joan Cho, MD
NPI 1942242490 · Endocrinology, Diabetes & Metabolism Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Cho, MD is a Endocrinology, Diabetes & Metabolism Physician provider in New Haven, CT (NPI 1942242490).
Provider details
- NPI number
- 1942242490
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 027052 (CT)
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
20 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
- 2006-06-11
- Last updated
- 2011-02-28
Frequently asked questions
- What is Joan Cho's NPI number?
- Joan Cho's National Provider Identifier (NPI) is 1942242490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Cho's specialty?
- Joan Cho is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Cho located?
- Joan Cho's practice location on file with NPPES is 55 Lock Street, New Haven, CT 06520-8237.
- What is Joan Cho's phone number?
- The practice phone number listed in the NPPES registry for Joan Cho is (203) 432-0076.
- Does Joan Cho accept Medicare?
- Joan Cho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Cho's NPI active?
- Yes — Joan Cho's NPI (1942242490) is active in the NPPES registry as of the last update on 2011-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.