Melissa Duan, MD
NPI 1528226230 · Anesthesiology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Duan, MD is a Anesthesiology Physician provider in Portland, OR (NPI 1528226230).
Provider details
- NPI number
- 1528226230
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 253355 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-05-29
- Last updated
- 2018-10-12
Frequently asked questions
- What is Melissa Duan's NPI number?
- Melissa Duan's National Provider Identifier (NPI) is 1528226230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Duan's specialty?
- Melissa Duan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Duan located?
- Melissa Duan's practice location on file with NPPES is 707 Sw Washington St, Portland, OR 97205-3536.
- What is Melissa Duan's phone number?
- The practice phone number listed in the NPPES registry for Melissa Duan is (503) 299-9906.
- Does Melissa Duan accept Medicare?
- Melissa Duan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Duan's NPI active?
- Yes — Melissa Duan's NPI (1528226230) is active in the NPPES registry as of the last update on 2018-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.