Physician

Tollin Knight Sullivan, M.D.

According to 2025 Medicare claims, Tollin Sullivan, M.D. (NPI: 1922387091) practices family practice in the Redding, CA market, with the plurality of this provider's patient population coming from Shasta, CA. This provider's primary affiliated billing organization is REDDING FAMILY MEDICAL GROUP INC (NPI: 1487640868; TIN: 680367608) and primary practice location at 96001-2461. Sullivan is affiliated with the CommonSpirit ACO I (ACO ID: A2164), participating under the MSSP model.

Sullivan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,789 traditional Medicare patients, billed 8,308 HCPCS/CPT codes, and received $519,418 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 21,458 prescription claims across 1,748 beneficiaries totaling $2,544,873 in drug costs, led by Ozempic (Semaglutide). DME data shows 1,099 claims. Open Payments data shows 29 records totaling $571. 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 from a lower plateau to a higher plateau, from $246,922 to $519,418. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $423,941 to $2,544,873. In contrast, DME billing represents a smaller volume and moved from a lower plateau to a higher plateau, from $19,626 to $81,930.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,033	29,263	$246,922
2016	1,219	52,607	$304,449
2017	1,550	66,393	$388,980
2018	1,790	58,423	$461,152
2019	1,721	78,701	$517,068
2020	1,616	79,130	$596,231
2021	1,581	107,158	$593,183
2022	1,670	92,013	$617,255
2023	1,796	15,239	$624,293
2024	1,789	8,308	$519,418

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	764	6,709	$423,941
2016	927	10,327	$813,544
2017	1,157	12,991	$976,449
2018	1,351	15,792	$1,182,241
2019	1,481	17,967	$1,424,106
2020	1,465	19,483	$1,755,437
2021	1,466	18,933	$1,967,816
2022	1,537	19,144	$1,870,338
2023	1,624	19,717	$2,402,554
2024	1,748	21,458	$2,544,873

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	48	240	$11,509
2016	148	806	$25,417
2017	261	895	$25,293
2018	280	1,213	$52,850
2019	291	1,296	$58,709
2020	322	1,346	$60,697
2021	367	1,512	$76,447
2022	381	1,443	$74,229
2023	313	1,280	$74,616
2024	252	1,099	$66,143

* / # = 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	1,333	1,333	$140
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	929	1,425	$92
99497	Advance care planning, first 30 minutes	1,364	1,364	$86
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	247	275	$58
G0444	Annual depression screening, 5 to 15 minutes	1,343	1,343	$21

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	192	8,418	$265,864
Mounjaro	Tirzepatide	222	7,239	$252,825
Eliquis	Apixaban	232	13,389	$252,386
Jardiance	Empagliflozin	162	12,585	$225,634
Trulicity	Dulaglutide	88	3,850	$126,278

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	14	58	$26,233
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	27	190	$13,596
E1392	Portable oxygen concentrator, rental	Y	15	93	$3,223
A7032	Cushion for use on nasal mask interface, replacement only, each	N	15	33	$3,080
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	21	49	$2,379

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	29	$571	ABBVIE 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 Tollin Knight Sullivan, M.D.?

Tedicare shows public-source Medicare data for Tollin Knight Sullivan, M.D. (NPI 1922387091), 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 Tollin Knight Sullivan, M.D. have ACO affiliation data?

Tollin Knight Sullivan, M.D. is shown with ACO affiliation data for CommonSpirit ACO I (MSSP, ACO ID A2164).

What billing organization is linked to Tollin Knight Sullivan, M.D.?

Tollin Knight Sullivan, M.D. is linked to REDDING FAMILY MEDICAL GROUP INC (billing NPI 1487640868) in the available physician profile data.

Does Tollin Knight Sullivan, M.D. have Open Payments data?

Tollin Knight Sullivan, M.D. has 29 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.