Wenlan Zhang, MD
Retina Specialist (Ophthalmology) Physician · Portland, OR
Wenlan Zhang, MD is a retina specialist (ophthalmology) physician with a practice address in Portland, Oregon, and NPI 1982961405, issued on Apr 20, 2012. Check the license (Oregon MD192040, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wenlan Zhang
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- MD192040 OR
MD60927844 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5440 SW Westgate Dr Ste 217, Portland, OR 97221
- Phone
- (503) 274-2121
- Enumerated
- Apr 20, 2012
- Record last updated
- Oct 1, 2024
- Fax
- (866) 843-7990
- Medicare enrollment
- Enrolled (PECOS I20191007001971); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 36 in Oregon → Look up another NPI →
Also registered at 5440 SW Westgate Dr Ste 217
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Lee, M.D.Retina Specialist (Ophthalmology) Physician1215932033
- Apurva Patel, MDRetina Specialist (Ophthalmology) Physician1073770707
- Harpal Sandhu, MDRetina Specialist (Ophthalmology) Physician1811204894
- Janani Singaravelu, M.D.Ophthalmology Physician1972037521
- Paul Tlucek, MDRetina Specialist (Ophthalmology) Physician1982800470
Verify Wenlan Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD192040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
601 Medicare Part D claims for 142 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Prednisolone Acetate192 claims
- Ketorolac Tromethamine137 claims
- Ofloxacin60 claims
- Timolol Maleate40 claims
- Difluprednate32 claims
- Dorzolamide-Timolol26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $487.94
4 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Retina Northwest PCVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wenlan Zhang among 36 retina specialist (ophthalmology) physician records in Oregon
Wenlan Zhang, MD is one of 36 retina specialist (ophthalmology) physician records with a practice address in Oregon. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 11% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 97% of these records are
- Graduated2012 · median 2006 among the 35 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Oregon
There are 36 retina specialist (ophthalmology) physician records in Oregon.
All 36 in Oregon → Every provider in Portland → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Michael Lee, M.D.Portland, OR 972211215932033
- Apurva Patel, MDPortland, OR 972211073770707
- Harpal Sandhu, MDPortland, OR 972211811204894
- Paul Tlucek, MDPortland, OR 972211982800470
- Mehrdad Malihi, M.D.Portland, OR 972251184912925
- Brian Chan-Kai, M.D.Portland, OR 972161578690566
- Jonathan Yoken, MDPortland, OR 972161902804081
- Colin Ma, M.D.Portland, OR 972101164427308
Common questions
What is Wenlan Zhang, MD's NPI number?
Wenlan Zhang, MD's National Provider Identifier (NPI) is 1982961405, issued on Apr 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Wenlan Zhang, MD located?
The NPPES record lists a practice address at 5440 SW Westgate Dr Ste 217, Portland, OR, 97221. Phone: (503) 274-2121. Providers update this record themselves, so call before visiting.
How can I verify Wenlan Zhang, MD's license?
NPPES lists Oregon license number MD192040, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wenlan Zhang, MD prescribe under Medicare Part D?
In 2024, Wenlan Zhang, MD had 601 Medicare Part D claims for 142 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.