William Holden, MD
NPI 1275630329 · Pulmonary Disease Physician · Portland, OR
Enrolled with Medicare as Order and Referring Only - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Holden, MD is a Pulmonary Disease Physician provider in Portland, OR (NPI 1275630329).
Provider details
- NPI number
- 1275630329
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD08702 (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
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Holden's NPI number?
- William Holden's National Provider Identifier (NPI) is 1275630329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Holden's specialty?
- William Holden is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Holden located?
- William Holden's practice location on file with NPPES is 3710 Sw US Veterans Hospital Rd, Portland, OR 97239-2964.
- What is William Holden's phone number?
- The practice phone number listed in the NPPES registry for William Holden is (503) 220-8262.
- Does William Holden accept Medicare?
- William Holden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Holden's NPI active?
- Yes — William Holden's NPI (1275630329) 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.