Physician

Nathanael David Gay, M.D.

According to 2025 Medicare claims, Nathanael Gay, M.D. (NPI: 1417214420) practices hematology/oncology in the Spokane-Spokane Valley, WA market, with the plurality of this provider's patient population coming from Spokane, WA. This provider's primary affiliated billing organization is CANCER CARE NORTHWEST CENTERS P S (NPI: 1922072081; TIN: 911007627) and primary practice location at 99202-1311. Gay is affiliated with the Kootenai Accountable Care, LLC (ACO ID: A3621) and Caravan Collaborative Pathways (ACO ID: A4604), participating under the MSSP model.

Gay's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 426 traditional Medicare patients, billed 1,028 HCPCS/CPT codes, and received $91,119 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 2,424 prescription claims across 349 beneficiaries totaling $8,141,657 in drug costs, led by Jakafi (Ruxolitinib Phosphate). DME data shows 69 claims. Open Payments data shows 3 records totaling $70. 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 moved sharply higher in recent years, from $10,393 to $91,119. Similarly, Part D prescription costs have risen steadily, from $41,510 to $8,141,657. 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	67	177	$10,393
2019	175	676	$44,047
2020	239	843	$53,871
2021	412	1,104	$80,657
2022	414	1,938	$118,863
2023	436	1,731	$126,322
2024	426	1,028	$91,119

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	41	568	$41,510
2016	18	61	$1,613
2017	11	23	$50,731
2018	34	107	$64,844
2019	116	672	$1,154,534
2020	141	1,233	$1,029,588
2021	249	1,492	$1,521,335
2022	258	1,464	$1,682,328
2023	297	2,038	$4,645,373
2024	349	2,424	$8,141,657

DME Billing Trend

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

Year	Patients	Claims	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	N/R	22	$3,030
2021	N/R	62	$13,762
2022	N/R	17	$3,500
2023	N/R	13	$7,763
2024	N/R	69	$7,482

* / # = 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
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	56	56	$136
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	186	495	$104
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	244	311	$66
99442	Telephone medical discussion with physician, 11-20 minutes	26	29	$45
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	41	43	$43

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Jakafi	Ruxolitinib Phosphate	37	1,110	$624,605
Pomalyst	Pomalidomide	29	812	$617,050
Verzenio	Abemaciclib	33	924	$499,242
Kisqali	Ribociclib Succinate	29	812	$444,016
Calquence	Acalabrutinib Maleate	28	840	$429,344

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
B4035	Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	15	$2,422
B4152	Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	12	$2,172
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	15	$1,738
B9002	Enteral nutrition infusion pump, any type	Y	N/R	12	$825
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	15	$325

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$70	Mirati Therapeutics, 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 Nathanael David Gay, M.D.?

Tedicare shows public-source Medicare data for Nathanael David Gay, M.D. (NPI 1417214420), 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 Nathanael David Gay, M.D. have ACO affiliation data?

Nathanael David Gay, M.D. is shown with ACO affiliation data for Kootenai Accountable Care, LLC (MSSP, ACO ID A3621) and Caravan Collaborative Pathways (MSSP, ACO ID A4604).

What billing organization is linked to Nathanael David Gay, M.D.?

Nathanael David Gay, M.D. is linked to CANCER CARE NORTHWEST CENTERS P S (billing NPI 1922072081) in the available physician profile data.

Does Nathanael David Gay, M.D. have Open Payments data?

Nathanael David Gay, M.D. 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.