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 California for Medicaid) — rank 1 means the highest claims volume for that code.

Why is the Medicaid comparison limited to California 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. California (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.

Catherine Lee (NPI 1992821797)

Key Findings

Field	Value
Entity Type	Individual
Organization	Catherine Lee
Address	2121 E Coast Hwy Ste 110
City	Corona Del Mar
State	CA
ZIP	92625
Taxonomy	Dermatology Physician
NPI Enumerated	March 22, 2007

Payer Source	Total Paid
Medicare	$12.6M
Medicaid	$0

CATHERINE LEE (Dermatology Physician, Corona Del Mar, CA) has $12.6M in total Medicare revenue and no Medicaid billing on file; her NPI was enumerated 2007-03-22 (~19 years ago), indicating a long-standing presence in Medicare claims data. This profile is therefore effectively single-payer in the public datasets provided, with Medicare representing the entirety of recorded public reimbursement.

Revenue is highly concentrated in a very small set of codes: precomputed top 3 Medicare codes account for 75.2% of this provider’s total Medicare revenue, and a single code, Q4234, accounts for $8.2M or 65.3% of the $12.6M total. That level of concentration means most of the provider’s Medicare income depends on activity tied to that add-on code.

The mix of top codes indicates a procedural dermatology practice that couples substantial Mohs-related care with heavy histopathology/immunohistochemistry activity. High-revenue procedural codes such as 17312, 17311, and 17314 appear alongside numerous lab staining and interpretation codes (e.g., 88341, 88344, 88312), suggesting the business model includes both surgical lesion management and extensive lab-based diagnostic services.

CATHERINE LEE is a national outlier on several measures: Q4234 ranks #1 of 23 providers nationally (100th percentile; extreme outlier), 88344 ranks #1 of 1880 providers nationally (100th percentile; extreme outlier), and 88341 ranks #19 of 10274 providers nationally (100th percentile; extreme outlier). These rankings indicate dominant national standing for those specific services compared with peers and far-above-typical volume on those codes.

Multiple pathology/immunohistochemistry codes are flagged as extreme outliers or near the top of national rankings (examples include 88360 rank #9 of 5330, 88312 rank #25 of 6966, and 88313 rank #29 of 6757, each labeled extreme outlier), which points to exceptionally high volume of slide staining and interpretation relative to national peers. That pattern is consistent with either a practice that performs substantial in-house histologic testing or one that bills at volumes well above typical dermatology peers for these lab services.

Mohs surgery codes materially contribute to revenue but show mixed comparative intensity: 17312 contributes $448.8K (3.6% of Medicare revenue) and ranks #8 of 2770 (100th percentile; extreme outlier), while other Mohs codes such as 17311 ($349.4K, 2.8%) rank mid-to-high among peers (282 of 2969, 91th percentile). In aggregate, Mohs procedures are meaningful revenue drivers but the provider’s claim pattern emphasizes a combination of high-intensity Mohs activity and concentrated add-on/product coding.

The absence of any Medicaid billing on file makes this provider effectively single-payer (Medicare) from a public-payer perspective; this concentration in payer mix could shape commercial contracting and referral strategies since public reimbursement exposure is not diversified across Medicaid. Analysts should treat Medicaid-related competitive or access considerations as not visible in these data.

Because Q4234 and the top lab codes dominate receipts (with Q4234 alone at $8.2M and the top three codes at 75.2% of Medicare revenue) the practice has both negotiating leverage for those high-volume services and operational risk if reimbursement policy or coding practices change for those items. Those twin implications — market strength on specific codes and sensitivity to coding/reimbursement shifts — are central to competitive and financial assessments of this provider.

Medicare: Complete Services Breakdown

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

38 rows

CPT/HCPCS Code	Description	Claims	Avg Paid	Revenue
Q4234	Xcellerate, per square centimeter (add-on, list separately in addition to primary procedure)	14,510	$560	$8.2M
88341	The lab analyst applies an additional single antibody stain on a slide or slides prepared from the same patient specimen as the initial antibody stain, such as tumor tissue. Then a qualified…	8,010	$80	$641K
88344	The lab analyst applies a single multiplex antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist,…	3,780	$160	$596.6K
88312	The lab analyst performs the technical lab steps to stain a specimen with a special stain. This code applies to Group I for microorganisms. A qualified provider, typically a pathologist, interprets…	5,590	$100	$581.2K
17312	Mohs surgery is a multi–staged method of excising a malignant lesion layer by layer, along with histo–pathological assessment, to ensure negative malignancy of the margins.	1,180	$380	$448.8K
88360	The lab analyst applies a single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist, evaluates the…	3,780	$110	$407.9K
88313	The lab analyst performs the technical lab steps to stain a specimen for Group II identification, for example an iron stain or trichrome stain. A qualified provider, typically a pathologist,…	4,990	$80	$378.9K
17311	Mohs surgery is a multi–staged procedure that is performed to excise a malignant lesion layer by layer, along with histo–pathological assessment. The assessment is performed to ensure that the…	650	$540	$349.4K
88342	The lab analyst applies an initial single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist,…	2,510	$90	$231.1K
17314	Mohs surgery is a multi–staged method of excising a malignant lesion layer by layer, along with histo–pathological assessment, to ensure negative malignancy of the margins.	400	$370	$144.9K

Showing 1–10 of 38

CPT/HCPCS Code	Rank	Provider Count	Median Claims	Avg Paid	Average Revenue
Q4234	1	10	1,640	$580	$2.1M
17311	24	440	130	$490	$101.6K
17312	2	390	110	$360	$58.9K
17286	3	10	300	$250	$57.2K
17313	20	310	50	$490	$35.2K
17276	3	10	130	$170	$34.7K
17266	3	10	170	$130	$30K
99214	5,775	37,970	120	$90	$23.2K
17314	3	200	40	$340	$19.9K
15271	8	170	110	$110	$18.6K

Provider	State	Taxonomy	Medicare Revenue	Medicaid Revenue
Anthony Yniguez	CA	Family Nurse Practitioner	$380.8K	$0
Kaveh Karandish	CA	Internal Medicine Physician	$307.2K	$0
Harish Yalamanchili	CA	Surgery Physician	$276.6K	$0

Catherine Lee — Billing Profile & Reimbursement Data

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Catherine Lee — 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