David Mullen, M.D.
NPI 1891753240 · Diagnostic Radiology Physician · Greenwich, CT
David Mullen, M.D. is a Diagnostic Radiology Physician provider in Greenwich, CT (NPI 1891753240).
Provider details
- NPI number
- 1891753240
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 029847 (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
20 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
- 2006-05-03
- Last updated
- 2010-09-14
Frequently asked questions
- What is David Mullen's NPI number?
- David Mullen's National Provider Identifier (NPI) is 1891753240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mullen's specialty?
- David Mullen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Mullen located?
- David Mullen's practice location on file with NPPES is 49 Lake Ave, Greenwich, CT 06830-4501.
- What is David Mullen's phone number?
- The practice phone number listed in the NPPES registry for David Mullen is (203) 861-2381.
- Is David Mullen's NPI active?
- Yes — David Mullen's NPI (1891753240) is active in the NPPES registry as of the last update on 2010-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.