Jeffrey Sy, MD
NPI 1588677942 · Internal Medicine Physician · Hillsboro, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Sy, MD is a Internal Medicine Physician provider in Hillsboro, OR (NPI 1588677942).
Provider details
- NPI number
- 1588677942
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A53013 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 980 | 297 |
| Losartan Potassium | 725 | 230 |
| Amlodipine Besylate | 497 | 160 |
| Gabapentin | 380 | 122 |
| Simvastatin | 325 | 96 |
| Levothyroxine Sodium | 320 | 91 |
| Lisinopril | 308 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2026-02-12
- Certified
- 2026-02-12
Frequently asked questions
- What is Jeffrey Sy's NPI number?
- Jeffrey Sy's National Provider Identifier (NPI) is 1588677942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Sy's specialty?
- Jeffrey Sy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Sy located?
- Jeffrey Sy's practice location on file with NPPES is 19400 Nw Evergreen Pkwy, Hillsboro, OR 97124-7031.
- What is Jeffrey Sy's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Sy is (503) 645-2762.
- Does Jeffrey Sy accept Medicare?
- Jeffrey Sy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Sy's NPI active?
- Yes — Jeffrey Sy's NPI (1588677942) is active in the NPPES registry as of the last update on 2026-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.