William Ludlam, PHD, MD
NPI 1750464848 · Endocrinology, Diabetes & Metabolism Physician · Seattle, WA
William Ludlam, PHD, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Seattle, WA (NPI 1750464848).
Provider details
- NPI number
- 1750464848
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- PHD, MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD21441 (OR)
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
- 2006-10-23
- Last updated
- 2007-10-10
Frequently asked questions
- What is William Ludlam's NPI number?
- William Ludlam's National Provider Identifier (NPI) is 1750464848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ludlam's specialty?
- William Ludlam is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is William Ludlam located?
- William Ludlam's practice location on file with NPPES is 550 17th Ave Ste 500, Seattle, WA 98122-5789.
- What is William Ludlam's phone number?
- The practice phone number listed in the NPPES registry for William Ludlam is (206) 320-2800.
- Is William Ludlam's NPI active?
- Yes — William Ludlam's NPI (1750464848) is active in the NPPES registry as of the last update on 2007-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.