Physician

Robert Henry Zax, MD

According to 2025 Medicare claims, Robert Zax, MD (NPI: 1689659781) practices micrographic dermatologic surgery in the Louisville/Jefferson County, KY-IN market, with the plurality of this provider's patient population coming from Jefferson, KY. This provider's primary affiliated billing organization is SKIN GROUP PLLC (NPI: 1366564494; TIN: 260057785) and primary practice location at 40165-7425.

Zax's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 377 traditional Medicare patients, billed 5,514 HCPCS/CPT codes, and received $367,332 in Medicare payments. The top billing code was 17313 (Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks). Part D data shows 35 prescription claims across 26 beneficiaries totaling $720 in drug costs. Open Payments data shows 38 records totaling $565. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has declined steadily, from $546,483 to $367,332. Similarly, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $4,491 to $720. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	623	2,187	$546,483
2016	570	1,995	$512,964
2017	997	4,974	$611,286
2018	1,176	15,445	$679,617
2019	1,110	10,280	$616,017
2020	410	9,316	$384,978
2021	390	6,227	$368,805
2022	362	4,449	$326,038
2023	375	3,740	$377,828
2024	377	5,514	$367,332

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	62	71	$4,491
2016	42	57	$84,727
2017	40	67	$48,604
2018	46	67	$33,528
2019	25	36	$6,005
2020	27	33	$1,136
2021	26	30	$674
2022	24	26	$630
2023	31	34	$1,970
2024	26	35	$720

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

No connected DME records

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
17313	Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks	89	106	$454
17311	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	220	266	$440
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	121	192	$316
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	67	88	$67
99212	Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	103	173	$40

Top 5 Part D drugs in 2024

By total drug costs.

Part D summary data is connected for 2024, but public drug-level costs are not available, so a Top 5 by total drug costs cannot be shown.

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	38	$565	ABBVIE INC.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Robert Henry Zax, MD?

Tedicare shows public-source Medicare data for Robert Henry Zax, MD (NPI 1689659781), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Robert Henry Zax, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Robert Henry Zax, MD?

Robert Henry Zax, MD is linked to SKIN GROUP PLLC (billing NPI 1366564494) in the available physician profile data.

Does Robert Henry Zax, MD have Open Payments data?

Robert Henry Zax, MD has 38 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.