Physician

Thomas C Keller, D.O.

According to 2025 Medicare claims, Thomas Keller, D.O. (NPI: 1073587515) practices internal medicine 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 HILLSIDE INTERNAL MEDICINE PC (NPI: 1588637235; TIN: 061683553) and primary practice location at 17331-1576.

Keller's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 796 traditional Medicare patients, billed 4,416 HCPCS/CPT codes, and received $276,953 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 36,544 prescription claims across 1,157 beneficiaries totaling $1,964,910 in drug costs, led by Eliquis (Apixaban). DME data shows 465 claims. Open Payments data shows 150 records totaling $2,623. 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. Similarly, Part D prescription costs have changed little. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $28,719 to $60,425.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	797	5,123	$250,114
2016	794	5,356	$232,641
2017	847	5,636	$238,778
2018	806	6,441	$273,827
2019	827	5,191	$244,843
2020	779	4,242	$192,613
2021	727	4,600	$231,290
2022	705	4,741	$242,980
2023	716	4,877	$300,758
2024	796	4,416	$276,953

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	790	24,578	$1,596,677
2016	828	22,526	$1,440,729
2017	917	22,660	$1,490,053
2018	875	24,668	$1,672,117
2019	939	23,083	$1,650,778
2020	968	20,871	$1,572,697
2021	966	19,598	$1,549,729
2022	1,008	24,532	$1,674,634
2023	1,040	36,731	$1,960,456
2024	1,157	36,544	$1,964,910

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	159	612	$36,428
2016	92	556	$17,398
2017	123	548	$16,347
2018	114	540	$13,180
2019	85	434	$8,879
2020	84	426	$11,244
2021	79	398	$12,120
2022	48	287	$10,830
2023	67	290	$17,554
2024	90	465	$33,964

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	354	354	$124
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	168	243	$89
90653	Influenza vaccine, inactivated	203	203	$78
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	434	1,096	$58
G0008	Administration of influenza virus vaccine	225	226	$25

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	934	17,669	$348,883
Ozempic	Semaglutide	99	3,752	$125,131
Jardiance	Empagliflozin	103	5,834	$106,927
Januvia	Sitagliptin Phosphate	140	5,856	$104,491
Nuplazid	Pimavanserin Tartrate	17	510	$93,323

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	13	48	$19,015
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	46	$3,281
A4407	Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each	N	N/R	17	$1,849
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	54	$1,530
E0656	Segmental pneumatic appliance for use with pneumatic compressor, trunk	Y	N/R	29	$1,406

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	150	$2,623	Novo Nordisk 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 Thomas C. Keller, D.O.?

Tedicare shows public-source Medicare data for Thomas C. Keller, D.O. (NPI 1073587515), 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 Thomas C. Keller, D.O. have ACO affiliation data?

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

What billing organization is linked to Thomas C. Keller, D.O.?

Thomas C. Keller, D.O. is linked to HILLSIDE INTERNAL MEDICINE PC (billing NPI 1588637235) in the available physician profile data.

Does Thomas C. Keller, D.O. have Open Payments data?

Thomas C. Keller, D.O. has 150 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.