IndividualActive
Margaret Deffner, RN
NPI 1669517074 · General Practice Registered Nurse · Dayton, OH
Margaret Deffner, RN is a General Practice Registered Nurse provider in Dayton, OH (NPI 1669517074).
Provider details
- NPI number
- 1669517074
- Entity type
- Individual
- Primary specialty
- General Practice Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- RN162089 (OH)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(89/100 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
3205 Woodman Dr
Dayton, OH 45420-1143
Phone: (937) 298-4417
Fax: (937) 298-8260
Street-level locationGet directions
Mailing address
3205 Woodman Dr
Dayton, OH 45420-1143
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Deffner's NPI number?
- Margaret Deffner's National Provider Identifier (NPI) is 1669517074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Deffner's specialty?
- Margaret Deffner is listed in the NPPES registry with a primary specialty of General Practice Registered Nurse (Nursing Service Providers).
- Where is Margaret Deffner located?
- Margaret Deffner's practice location on file with NPPES is 3205 Woodman Dr, Dayton, OH 45420-1143.
- What is Margaret Deffner's phone number?
- The practice phone number listed in the NPPES registry for Margaret Deffner is (937) 298-4417.
- Is Margaret Deffner's NPI active?
- Yes — Margaret Deffner's NPI (1669517074) 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.