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Karen Sondergaard, M.D.
NPI 1801079645 · Psychiatry Physician · New Haven, CT
Karen Sondergaard, M.D. is a Psychiatry Physician provider in New Haven, CT (NPI 1801079645).
Provider details
- NPI number
- 1801079645
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 045579 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
20 York St
T-209
New Haven, CT 06510-3220
Phone: (203) 688-2257
Fax: (203) 688-5599
Street-level locationGet directions
Mailing address
20 York St
New Haven, CT 06510-3220
Registry dates
- Enumerated
- 2007-12-16
- Last updated
- 2007-12-16
Frequently asked questions
- What is Karen Sondergaard's NPI number?
- Karen Sondergaard's National Provider Identifier (NPI) is 1801079645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Sondergaard's specialty?
- Karen Sondergaard is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Sondergaard located?
- Karen Sondergaard's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Karen Sondergaard's phone number?
- The practice phone number listed in the NPPES registry for Karen Sondergaard is (203) 688-2257.
- Is Karen Sondergaard's NPI active?
- Yes — Karen Sondergaard's NPI (1801079645) is active in the NPPES registry as of the last update on 2007-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.