Brian Chan, M.D.
NPI 1588981625 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Chan, M.D. is a Internal Medicine Physician provider in Portland, OR (NPI 1588981625).
Provider details
- NPI number
- 1588981625
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PG159342 (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
16 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 149 | 22 |
| Omeprazole | 117 | 17 |
| Tamsulosin Hcl | 100 | 13 |
| Gabapentin | 83 | 15 |
| Lisinopril | 66 | 15 |
| Amlodipine Besylate | 61 | 14 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-29
- Last updated
- 2015-05-27
Frequently asked questions
- What is Brian Chan's NPI number?
- Brian Chan's National Provider Identifier (NPI) is 1588981625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Chan's specialty?
- Brian Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Chan located?
- Brian Chan's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Brian Chan's phone number?
- The practice phone number listed in the NPPES registry for Brian Chan is (503) 494-8211.
- Does Brian Chan accept Medicare?
- Brian Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Chan's NPI active?
- Yes — Brian Chan's NPI (1588981625) is active in the NPPES registry as of the last update on 2015-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.