David Deifik, MD
NPI 1205853199 · Obstetrics & Gynecology Physician · Nashua, NH
David Deifik, MD is a Obstetrics & Gynecology Physician provider in Nashua, NH (NPI 1205853199).
Provider details
- NPI number
- 1205853199
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6822 (NH)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 21 E Hollis StNashua, NH 03060-2928Phone: (603) 577-4000Fax: (603) 577-4318
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2021-12-08
- Certified
- 2021-12-08
Frequently asked questions
- What is David Deifik's NPI number?
- David Deifik's National Provider Identifier (NPI) is 1205853199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Deifik's specialty?
- David Deifik is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is David Deifik located?
- David Deifik's practice location on file with NPPES is 22 Prospect St, Nashua, NH 03060-3924.
- What is David Deifik's phone number?
- The practice phone number listed in the NPPES registry for David Deifik is (603) 883-1626.
- Is David Deifik's NPI active?
- Yes — David Deifik's NPI (1205853199) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.