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Hatty Tsai, M.D.
NPI 1518011683 · Internal Medicine Physician · Hartford, CT
Hatty Tsai, M.D. is a Internal Medicine Physician provider in Hartford, CT (NPI 1518011683).
Provider details
- NPI number
- 1518011683
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 56251 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
185 Asylum St
7th Floor
Hartford, CT 06103-3408
Phone: (860) 308-5367
Street-level locationGet directions
Mailing address
5 Libby Rd
Natick, MA 01760-5462
Registry dates
- Enumerated
- 2007-01-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hatty Tsai's NPI number?
- Hatty Tsai's National Provider Identifier (NPI) is 1518011683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hatty Tsai's specialty?
- Hatty Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hatty Tsai located?
- Hatty Tsai's practice location on file with NPPES is 185 Asylum St, Hartford, CT 06103-3408.
- What is Hatty Tsai's phone number?
- The practice phone number listed in the NPPES registry for Hatty Tsai is (860) 308-5367.
- Is Hatty Tsai's NPI active?
- Yes — Hatty Tsai's NPI (1518011683) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.