Physician

Charlotte Eielson Ariyan, MD, PHD

According to 2025 Medicare claims, Charlotte Ariyan, MD, PHD (NPI: 1316114390) practices surgical oncology in the New York-Jersey City-White Plains, NY-NJ market, with the plurality of this provider's patient population coming from Westchester, NY. This provider's primary affiliated billing organization is MSKCC SURGERY GROUP (NPI: 1699766261; TIN: 134010372) and primary practice location at 10065-6007.

Ariyan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 290 traditional Medicare patients, billed 795 HCPCS/CPT codes, and received $96,690 in Medicare payments. The top billing code was 12034 (Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm). Part D data shows 51 prescription claims across 38 beneficiaries totaling $1,189 in drug costs, led by Cefadroxil (Cefadroxil). Open Payments data shows 14 records totaling $15,777. 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 changed little. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $7,617 to $1,189. 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	170	399	$66,373
2016	217	545	$82,437
2017	245	624	$85,882
2018	231	601	$94,815
2019	242	631	$88,210
2020	220	501	$75,970
2021	212	569	$77,903
2022	252	608	$83,021
2023	265	712	$86,079
2024	290	795	$96,690

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	26	60	$7,617
2016	15	17	$3,398
2017	N/R	17	$248
2018	18	29	$811
2019	23	46	$1,216
2020	26	48	$1,560
2021	22	45	$3,219
2022	21	35	$1,104
2023	25	52	$1,762
2024	38	51	$1,189

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
12034	Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm	31	31	$162
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	93	93	$160
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	65	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	36	37	$60
99212	Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	174	259	$33

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Cefadroxil	Cefadroxil	20	211	$178

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.	14	$15,777	Merck Sharp & Dohme LLC
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 Charlotte Eielson Ariyan, MD, PHD?

Tedicare shows public-source Medicare data for Charlotte Eielson Ariyan, MD, PHD (NPI 1316114390), 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 Charlotte Eielson Ariyan, MD, PHD have ACO affiliation data?

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

What billing organization is linked to Charlotte Eielson Ariyan, MD, PHD?

Charlotte Eielson Ariyan, MD, PHD is linked to MSKCC SURGERY GROUP (billing NPI 1699766261) in the available physician profile data.

Does Charlotte Eielson Ariyan, MD, PHD have Open Payments data?

Charlotte Eielson Ariyan, MD, PHD has 14 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.