Donald Rosenthal, MD
NPI 1063435170 · Internal Medicine Physician · Waterbury, CT
Donald Rosenthal, MD is a Internal Medicine Physician provider in Waterbury, CT (NPI 1063435170).
Provider details
- NPI number
- 1063435170
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 019644 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2007-12-27
Frequently asked questions
- What is Donald Rosenthal's NPI number?
- Donald Rosenthal's National Provider Identifier (NPI) is 1063435170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Rosenthal's specialty?
- Donald Rosenthal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Rosenthal located?
- Donald Rosenthal's practice location on file with NPPES is 447 Meriden Rd, Waterbury, CT 06705.
- What is Donald Rosenthal's phone number?
- The practice phone number listed in the NPPES registry for Donald Rosenthal is (203) 574-5650.
- Is Donald Rosenthal's NPI active?
- Yes — Donald Rosenthal's NPI (1063435170) is active in the NPPES registry as of the last update on 2007-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.