Curtis Holzgang, MD
NPI 1700088838 · Sleep Medicine (Internal Medicine) Physician · Portland, OR
Curtis Holzgang, MD is a Sleep Medicine (Internal Medicine) Physician provider in Portland, OR (NPI 1700088838).
Provider details
- NPI number
- 1700088838
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD06530 (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
- 2007-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Curtis Holzgang's NPI number?
- Curtis Holzgang's National Provider Identifier (NPI) is 1700088838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Curtis Holzgang's specialty?
- Curtis Holzgang is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Curtis Holzgang located?
- Curtis Holzgang's practice location on file with NPPES is 9205 Sw Barnes Rd, Portland, OR 97225-6603.
- What is Curtis Holzgang's phone number?
- The practice phone number listed in the NPPES registry for Curtis Holzgang is (503) 216-2401.
- Is Curtis Holzgang's NPI active?
- Yes — Curtis Holzgang's NPI (1700088838) 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.