Naun Chang, M.D.
NPI 1073607081 · Anesthesiology Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naun Chang, M.D. is a Anesthesiology Physician provider in Clackamas, OR (NPI 1073607081).
Provider details
- NPI number
- 1073607081
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD21634 (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
- 2006-10-03
- Last updated
- 2007-07-11
Frequently asked questions
- What is Naun Chang's NPI number?
- Naun Chang's National Provider Identifier (NPI) is 1073607081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naun Chang's specialty?
- Naun Chang is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Naun Chang located?
- Naun Chang's practice location on file with NPPES is 10180 Se Sunnyside Road, Clackamas, OR 97015.
- What is Naun Chang's phone number?
- The practice phone number listed in the NPPES registry for Naun Chang is (503) 638-2030.
- Does Naun Chang accept Medicare?
- Naun Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naun Chang's NPI active?
- Yes — Naun Chang's NPI (1073607081) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.