Wenlan Zhang, MD
NPI 1982961405 · Retina Specialist (Ophthalmology) Physician · Portland, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wenlan Zhang, MD is a Retina Specialist (Ophthalmology) Physician provider in Portland, OR (NPI 1982961405).
Provider details
- NPI number
- 1982961405
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD192040 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,555 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 1,483 | $41 |
| Injection of Drug Into Eye67028 | 1,157 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 667 | $92 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 623 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $129 |
| Photography of the Retina92250 | 185 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 192 | 82 |
| Ketorolac Tromethamine | 137 | 47 |
| Ofloxacin | 60 | 45 |
| Timolol Maleate | 40 | 18 |
| Difluprednate | 32 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 26 | 11 |
| Erythromycin Basebrand: Erythromycin | 20 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$488 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- Duke University Hospital2301 Erwin RoadDurham, NC 27710-0001Phone: (636) 575-0085
Registry dates
- Enumerated
- 2012-04-20
- Last updated
- 2024-10-01
- Certified
- 2024-10-01
Frequently asked questions
- What is Wenlan Zhang's NPI number?
- Wenlan Zhang's National Provider Identifier (NPI) is 1982961405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wenlan Zhang's specialty?
- Wenlan Zhang is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Wenlan Zhang located?
- Wenlan Zhang's practice location on file with NPPES is 5440 Sw Westgate Dr Ste 217, Portland, OR 97221-2421.
- What is Wenlan Zhang's phone number?
- The practice phone number listed in the NPPES registry for Wenlan Zhang is (503) 274-2121.
- Does Wenlan Zhang accept Medicare?
- Wenlan Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wenlan Zhang's NPI active?
- Yes — Wenlan Zhang's NPI (1982961405) is active in the NPPES registry as of the last update on 2024-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.