Physician

Theresa Zaleski, D.O.

According to 2025 Medicare claims, Theresa Zaleski, D.O. (NPI: 1134401524) practices micrographic dermatologic surgery in the York-Hanover, PA market, with the plurality of this provider's patient population coming from York, PA. This provider's primary affiliated billing organization is WELLSPAN MEDICAL GROUP (NPI: 1811341829; TIN: 23-2730785) and primary practice location at 17402-4648. Zaleski is affiliated with the WellSpan Population Health Services (ACO ID: A2500) and McAuley Health Partners ACO, LLC (ACO ID: A4588), participating under the MSSP model.

Zaleski's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 305 traditional Medicare patients, billed 1,140 HCPCS/CPT codes, and received $252,595 in Medicare payments. The top billing code was 17311 (Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks). Part D data shows 164 prescription claims across 112 beneficiaries totaling $58,996 in drug costs, led by Dupixent Pen (Dupilumab). Open Payments data shows 3 records totaling $135. 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 risen steadily, from $12,753 to $252,595. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $22,549 and ending at $58,996. 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	97	297	$12,753
2016	332	1,209	$186,048
2017	373	1,847	$201,185
2018	166	1,105	$121,566
2019	207	1,124	$126,001
2020	276	1,133	$207,100
2021	236	981	$194,752
2022	217	917	$186,849
2023	268	1,050	$204,375
2024	305	1,140	$252,595

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	44	86	$22,549
2016	148	261	$8,317
2017	212	387	$20,334
2018	129	287	$28,397
2019	104	226	$12,629
2020	105	179	$5,595
2021	69	110	$4,072
2022	63	82	$27,139
2023	88	128	$71,617
2024	112	164	$58,996

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
17311	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	181	233	$476
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	84	123	$305
13121	Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm	42	47	$187
13132	Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	65	72	$175
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	160	160	$120

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Dupixent Pen	Dupilumab	13	392	$51,500
Gentamicin Sulfate	Gentamicin Sulfate	11	237	$348
Doxycycline Hyclate	Doxycycline Hyclate	46	560	$304
Mupirocin	Mupirocin	35	575	$168
Cephalexin	Cephalexin	44	139	$83

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.	3	$135	Janssen Biotech, 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 Theresa Zaleski, D.O.?

Tedicare shows public-source Medicare data for Theresa Zaleski, D.O. (NPI 1134401524), 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 Theresa Zaleski, D.O. have ACO affiliation data?

Theresa Zaleski, D.O. is shown with ACO affiliation data for WellSpan Population Health Services (MSSP, ACO ID A2500) and McAuley Health Partners ACO, LLC (MSSP, ACO ID A4588).

What billing organization is linked to Theresa Zaleski, D.O.?

Theresa Zaleski, D.O. is linked to WELLSPAN MEDICAL GROUP (billing NPI 1811341829) in the available physician profile data.

Does Theresa Zaleski, D.O. have Open Payments data?

Theresa Zaleski, D.O. has 3 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.