Physician

Cassondra Andreychik Ellison, M.D.

According to 2025 Medicare claims, Cassondra Ellison, M.D. (NPI: 1093109498) practices dermatology in the Williamsport, PA market, with the plurality of this provider's patient population coming from Lycoming, PA. This provider's primary affiliated billing organization is GEISINGER CLINIC (NPI: 1255382784; TIN: 236291113) and primary practice location at 17821-8029. Ellison is affiliated with the Keystone ACO (ACO ID: A1552), participating under the MSSP model.

Ellison's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 221 traditional Medicare patients, billed 737 HCPCS/CPT codes, and received $98,901 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 35 prescription claims across 24 beneficiaries totaling $1,224 in drug costs, led by Valacyclovir (Valacyclovir Hcl). No Open Payments records. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $2,780 and ending at $1,224. 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	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	182	667	$86,210
2021	246	1,035	$146,478
2022	235	925	$127,955
2023	220	914	$118,299
2024	221	737	$98,901

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	34	55	$2,780
2017	96	248	$26,059
2018	126	297	$48,123
2019	78	196	$75,758
2020	29	40	$1,215
2021	25	35	$1,038
2022	30	38	$1,814
2023	36	58	$1,500
2024	24	35	$1,224

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	152	180	$214
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	67	87	$141
12032	Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	33	33	$80
12052	Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm	37	37	$75
11102	Biopsy of related skin growth, first growth	30	37	$16

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Valacyclovir	Valacyclovir Hcl	12	360	$667

Top 5 DME services in 2024

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

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Cassondra Andreychik Ellison, M.D.?

Tedicare shows public-source Medicare data for Cassondra Andreychik Ellison, M.D. (NPI 1093109498), 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 Cassondra Andreychik Ellison, M.D. have ACO affiliation data?

Cassondra Andreychik Ellison, M.D. is shown with ACO affiliation data for Keystone ACO (MSSP, ACO ID A1552).

What billing organization is linked to Cassondra Andreychik Ellison, M.D.?

Cassondra Andreychik Ellison, M.D. is linked to GEISINGER CLINIC (billing NPI 1255382784) in the available physician profile data.

Does Cassondra Andreychik Ellison, M.D. have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.