IndividualActive
Donald Timmerman
NPI 1992873996 · Family Medicine Physician · Middletown, CT
Donald Timmerman is a Family Medicine Physician provider in Middletown, CT (NPI 1992873996).
Provider details
- NPI number
- 1992873996
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 019517 (CT)
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
Connecticut Valley Hospital
Middletown, CT 06457
Phone: (860) 262-5867
Fax: (860) 262-5850
Approximate (ZIP-level) locationGet directions
Mailing address
Connecticut Valley Hospital
Middletown, CT 06457
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Timmerman's NPI number?
- Donald Timmerman's National Provider Identifier (NPI) is 1992873996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Timmerman's specialty?
- Donald Timmerman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Timmerman located?
- Donald Timmerman's practice location on file with NPPES is Connecticut Valley Hospital, Middletown, CT 06457.
- What is Donald Timmerman's phone number?
- The practice phone number listed in the NPPES registry for Donald Timmerman is (860) 262-5867.
- Is Donald Timmerman's NPI active?
- Yes — Donald Timmerman's NPI (1992873996) 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.