Rosemarie Dieffenbach, MD
NPI 1144344318 · Pediatrics Physician · Weston, MA
Rosemarie Dieffenbach, MD is a Pediatrics Physician provider in Weston, MA (NPI 1144344318).
Provider details
- NPI number
- 1144344318
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 43732 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-03-16
- Last updated
- 2012-01-13
Frequently asked questions
- What is Rosemarie Dieffenbach's NPI number?
- Rosemarie Dieffenbach's National Provider Identifier (NPI) is 1144344318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemarie Dieffenbach's specialty?
- Rosemarie Dieffenbach is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemarie Dieffenbach located?
- Rosemarie Dieffenbach's practice location on file with NPPES is 486 Boston Post Road, Weston, MA 02493-1529.
- What is Rosemarie Dieffenbach's phone number?
- The practice phone number listed in the NPPES registry for Rosemarie Dieffenbach is (781) 899-4456.
- Is Rosemarie Dieffenbach's NPI active?
- Yes — Rosemarie Dieffenbach's NPI (1144344318) is active in the NPPES registry as of the last update on 2012-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.