Jan W Duncan MD Inc
NPI 1629293535 · Orthopaedic Surgery of the Spine Physician · Los Angeles, CA
Jan W Duncan MD Inc is a Orthopaedic Surgery of the Spine Physician organization in Los Angeles, CA (NPI 1629293535).
Provider details
- NPI number
- 1629293535
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jan Duncan, President(323) 267-0212
- License
- C038275 (CA)
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
- 2007-04-16
- Last updated
- 2020-08-22
Frequently asked questions
- What is Jan W Duncan MD Inc's NPI number?
- Jan W Duncan MD Inc's National Provider Identifier (NPI) is 1629293535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jan W Duncan MD Inc?
- Jan W Duncan MD Inc is classified in the NPPES registry as Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan W Duncan MD Inc located?
- Jan W Duncan MD Inc's practice location on file with NPPES is 711 W College St, Los Angeles, CA 90012-1163.
- What is Jan W Duncan MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Jan W Duncan MD Inc is (323) 267-0212.
- Who is the authorized official for Jan W Duncan MD Inc?
- The authorized official listed on Jan W Duncan MD Inc's NPPES record is Jan Duncan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jan W Duncan MD Inc's NPI active?
- Yes — Jan W Duncan MD Inc's NPI (1629293535) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.