Martin Duffey, MD
NPI 1457454258 · Cardiovascular Disease Physician · Phoenix, AZ
Martin Duffey, MD is a Cardiovascular Disease Physician provider in Phoenix, AZ (NPI 1457454258).
Provider details
- NPI number
- 1457454258
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19882 (AZ)
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
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
- 2006-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Duffey's NPI number?
- Martin Duffey's National Provider Identifier (NPI) is 1457454258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Duffey's specialty?
- Martin Duffey is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Duffey located?
- Martin Duffey's practice location on file with NPPES is 650 E Indian School Rd, Phoenix, AZ 85012-1839.
- What is Martin Duffey's phone number?
- The practice phone number listed in the NPPES registry for Martin Duffey is (602) 200-2323.
- Is Martin Duffey's NPI active?
- Yes — Martin Duffey's NPI (1457454258) 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.