Why are Medicare and Medicaid shown separately instead of combined?

They come from two different CMS data sources with no shared claim identifier, so they can't be reconciled into one number without double-counting or guessing. Every table and chart on this page keeps them fully separate.

Why is there no private/commercial revenue figure?

Private and commercial payer data comes from Transparency in Coverage files, which only publish negotiated rates — not claims or utilization volume. Without a volume figure, no revenue number can be computed for any provider from that data.

What does "Rank" mean in the Competitive Analysis & Benchmarks tables?

For a given CPT/HCPCS code, it's this provider's position by claims volume among all providers billing that same code at that geography level (State, National, or Oregon for Medicaid) — rank 1 means the highest claims volume for that code.

Why is the Medicaid comparison limited to Oregon only?

Medicaid is administered per-state with no single national fee schedule, so a state or national comparison the way Medicare has one isn't available. Oregon (this provider's own state) is the only grouping that's conceptually meaningful.

Why are the numbers rounded to the nearest 10?

To avoid implying more precision than the underlying data supports at a single-provider level. Ratios are kept precise since they're a relative comparison, not a volume or dollar figure.

How current is this data?

The Medicare and Medicaid tables are both single current snapshots, not refreshed on a recurring schedule yet.

Wenlan Zhang (NPI 1982961405)

Field	Value
Entity Type	Individual
Organization	Wenlan Zhang
Address	5440 Sw Westgate Dr Ste 217
City	Portland
State	OR
ZIP	97221
Taxonomy	Retina Specialist (Ophthalmology) Physician
NPI Enumerated	April 20, 2012

Payer Source	Total Paid
Medicare	$1.5M
Medicaid	$0

Key Findings

This provider’s billing is effectively single-payer: total Medicare revenue is $1.5M while there is no Medicaid billing on file, indicating the practice’s Medicare activity represents its entire public-payer footprint. The top three Medicare codes account for 83.4% of total Medicare revenue, underscoring heavy reliance on a narrow set of services for public reimbursement.

Revenue is highly concentrated in intravitreal drug administration: J0178 generated $820.2K (54.6% of Medicare revenue), J2777 generated $311.5K (20.7%), and 67028 generated $122.4K (8.1%). Because those three codes together make up 83.4% of Medicare revenue, the business is materially tied to retina injections and related procedures for its Medicare caseload.

The code mix and descriptions point to a retina-focused, office-based procedural practice. High-revenue drug codes J0178 (aflibercept) and J2777 (faricimab) plus procedure 67028 (intravitreal injection) indicate routine, repeated intravitreal anti-VEGF therapy, while diagnostic codes such as 92134, 92250 and 92235 and E/M codes (99213, 99204) show accompanying imaging and outpatient visits supporting longitudinal retinal care.

Claim- and payment-level detail shows contrasting unit economics across injectables: J0178 has 1.2K claims with a $679 avg paid/claim producing $820.2K revenue, while J2777 shows 10.7K claims at a much lower $29 avg paid/claim for $311.5K revenue; J2778 has 440 claims at $180 avg paid/claim for $79.2K. These differences suggest the practice bills a mix of higher-reimbursed branded biologic units alongside a much larger count of lower–paid drug line items.

On competitive standing for primary injectables and the intravitreal procedure, this provider is a modest national participant. J0178 ranks #1090 of 3204 providers nationally (66th percentile; typical, unremarkable volume), J2777 ranks #968 of 2039 (52th percentile; typical, unremarkable volume), and 67028 ranks #1067 of 4255 (75th percentile; typical, unremarkable volume), indicating volumes that are not dominant but consistent with an active retina practice.

The provider shows above-typical national volume for diagnostic imaging and routine office E/M, suggesting a strong footprint for those service lines relative to peers. 92134 has 1.5K claims and $45.4K revenue and ranks #1504 of 26868 providers (94th percentile; notably above typical national volume), and 99213 has 587 claims with $37.6K revenue and ranks #20213 of 457151 providers (96th percentile; notably above typical national volume), reflecting concentrated imaging and follow-up visit activity.

Compounded drug billing is notable in volume and rank: J7999 appears with 712 claims, $52K revenue and ranks #84 of 1333 providers nationally (94th percentile) yet is characterized in the source as typical, unremarkable volume. The presence of substantial J7999 billing alongside high-volume injectables suggests routine use of office-administered or billed compounded products as part of the treatment mix.

The provider has an established tenure on file—NPI enumerated 2012-04-20 (~14 years ago)—which, combined with the concentrated injectable and imaging revenue pattern, implies a sustained retina specialty practice with continued Medicare case flow rather than a new entrant or transient billing profile.

Medicare: Complete Services Breakdown

The CPT/HCPCS codes generating the most Medicare revenue for this provider.

12 rows

CPT/HCPCS Code	Description	Claims	Avg Paid	Revenue
J0178	Injection, aflibercept, 1 mg	1,210	$680	$820.2K
J2777	Injection, faricimab‑svoa, 0.1 mg	10,740	$30	$311.5K
67028	The provider injects a medication into the vitreous chamber of the eye as an isolated procedure or a separate procedure unrelated to any other procedure being performed on the eye.	1,250	$100	$122.4K
J2778	Injection, ranibizumab, 0.1 mg	440	$180	$79.2K
J7999	Compounded drug, not otherwise classified	710	$70	$52K
92134	The provider performs computerized diagnostic imaging of the retina in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both eyes.	1,510	$30	$45.4K
99213	The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a low level of medical decision making, and/or the…	590	$60	$37.6K
99204	The provider sees a new patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the provider…	110	$120	$13.1K
99214	The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the…	110	$100	$10.8K
92235	The provider uses a special dye, fluorescein that causes the blood vessels in the one or both eyes to stand out in photographic images taken with the use of multiframe timing, or serial images, taken…	60	$110	$6.3K

Showing 1–10 of 12

Medicare: Competitive Analysis & Benchmarks

How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 12 CPT/HCPCS codes.

View: State1 / 2

Claims Volume vs. Oregon Distribution

Wenlan Zhang — 1 of 12 codes billed far more than typical (above p95)

p5–p95 (all providers)p25–p75MedianThis providerOutlier

Rank Distribution — Oregon

Full comparison — all codes billed, vs. state median

12 rows

CPT/HCPCS Code	Rank	Provider Count	Median Claims	Avg Paid	Average Revenue
J0178	19	60	840	$680	$623.7K
J2777	17	30	10,050	$30	$527.6K
J2778	8	20	400	$180	$87.8K
67028	15	70	580	$90	$72.3K
J7999	7	50	270	$70	$23.4K
92235	17	30	60	$100	$11.1K
99214	2,353	6,070	80	$70	$10.3K
92134	25	390	80	$30	$8.1K
99213	99	5,480	60	$50	$5.7K
99204	172	2,750	30	$110	$4.4K

Showing 1–10 of 12

Related Providers

Other providers that share a Tax Identification Number (TIN) with Wenlan Zhang, ranked by combined Medicare and Medicaid revenue.

Provider	State	Taxonomy	Medicare Revenue	Medicaid Revenue
Retina Northwest P.C.	OR	Ophthalmology Physician	$0	$1.8M
Michael Lee	OR	Retina Specialist (Ophthalmology) Physician	$1.7M	$0
Harpal Sandhu	OR	Retina Specialist (Ophthalmology) Physician	$1.4M	$4.5K
Paul Tlucek	OR	Retina Specialist (Ophthalmology) Physician	$1.2M	$0
Apurva Patel	OR	Retina Specialist (Ophthalmology) Physician	$1.2M	$0
Janani Singaravelu	OR	Ophthalmology Physician	$35.1K	$0

Nearby Providers

Other providers in the same ZIP code as Wenlan Zhang, ranked by combined Medicare and Medicaid revenue.

Provider	State	Taxonomy	Medicare Revenue	Medicaid Revenue
Lifeworks Nw	OR	Mental Health Counselor	$0	$57.6M
Lifeworks Northwest	OR	Addiction (Substance Use Disorder) Counselor	$0	$14.4M

Wenlan Zhang — Billing Profile & Reimbursement Data

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Key Findings

Medicare: Total Revenue Breakdown by CPT/HCPCS Code

Medicare: Complete Services Breakdown

Medicare: Competitive Analysis & Benchmarks

Related Providers

Nearby Providers

Frequently Asked Questions

References