John Duddy, M.D.
NPI 1629132022 · Orthopaedic Foot and Ankle Surgery Physician · Anchorage, AK
John Duddy, M.D. is a Orthopaedic Foot and Ankle Surgery Physician provider in Anchorage, AK (NPI 1629132022).
Provider details
- NPI number
- 1629132022
- Entity type
- Individual
- Primary specialty
- Orthopaedic Foot and Ankle Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4235 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-12-20
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Duddy's NPI number?
- John Duddy's National Provider Identifier (NPI) is 1629132022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duddy's specialty?
- John Duddy is listed in the NPPES registry with a primary specialty of Orthopaedic Foot and Ankle Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Duddy located?
- John Duddy's practice location on file with NPPES is 2741 Debarr Rd Ste C305, Anchorage, AK 99508-2972.
- What is John Duddy's phone number?
- The practice phone number listed in the NPPES registry for John Duddy is (907) 278-8141.
- Is John Duddy's NPI active?
- Yes — John Duddy's NPI (1629132022) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.