OrganizationActive
Effie C. Chang, M.D., P.C.
NPI 1154605293 · Gynecology Physician · New Haven, CT
Effie C. Chang, M.D., P.C. is a Gynecology Physician organization in New Haven, CT (NPI 1154605293).
Provider details
- NPI number
- 1154605293
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Effie Chang, Owner(203) 776-5360
- License
- 17026 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
136 Sherman Ave
Suite 302
New Haven, CT 06511-5238
Phone: (203) 776-5360
Fax: (203) 787-4990
Street-level locationGet directions
Mailing address
136 Sherman Ave
New Haven, CT 06511-5238
Registry dates
- Enumerated
- 2011-10-07
- Last updated
- 2011-10-07
Frequently asked questions
- What is Effie C. Chang, M.D., P.C.'s NPI number?
- Effie C. Chang, M.D., P.C.'s National Provider Identifier (NPI) is 1154605293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Effie C. Chang, M.D., P.C.?
- Effie C. Chang, M.D., P.C. is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Effie C. Chang, M.D., P.C. located?
- Effie C. Chang, M.D., P.C.'s practice location on file with NPPES is 136 Sherman Ave, New Haven, CT 06511-5238.
- What is Effie C. Chang, M.D., P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Effie C. Chang, M.D., P.C. is (203) 776-5360.
- Who is the authorized official for Effie C. Chang, M.D., P.C.?
- The authorized official listed on Effie C. Chang, M.D., P.C.'s NPPES record is Effie Chang, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Effie C. Chang, M.D., P.C.'s NPI active?
- Yes — Effie C. Chang, M.D., P.C.'s NPI (1154605293) is active in the NPPES registry as of the last update on 2011-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.