Physician

Carol A Kooistra, MD

According to 2025 Medicare claims, Carol Kooistra, MD (NPI: 1598741837) practices neurology in the Spartanburg, SC market, with the plurality of this provider's patient population coming from Spartanburg, SC. This provider's primary affiliated billing organization is CAROLINA NEUROLOGY OF SPARTANBURG (NPI: 1922345529; TIN: 32-0397144) and primary practice location at 29307-1520. Kooistra is affiliated with the Southeastern Health Partners (ACO ID: A3325), participating under the MSSP model.

Kooistra's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,955 traditional Medicare patients, billed 151,169 HCPCS/CPT codes, and received $3,998,045 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 7,243 prescription claims across 980 beneficiaries totaling $3,728,213 in drug costs, led by Ingrezza (Valbenazine Tosylate). DME data shows 370 claims. Open Payments data shows 224 records totaling $4,701. 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 $855,874 to $3,998,045. Concurrently, Part D prescription costs have changed little. In contrast, DME billing represents a smaller volume and started with an early spike, then settled into a lower baseline, moving from $172,191 to $20,044.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	2,315	43,038	$855,874
2016	2,331	61,772	$1,267,132
2017	2,151	53,156	$1,467,979
2018	2,194	53,725	$1,550,387
2019	2,713	69,383	$1,799,838
2020	2,436	76,406	$1,960,287
2021	2,464	84,474	$2,580,520
2022	2,673	82,419	$2,760,861
2023	2,183	118,632	$3,548,655
2024	1,955	151,169	$3,998,045

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	1,161	15,872	$4,752,783
2016	1,073	15,890	$4,488,995
2017	1,065	14,389	$3,936,857
2018	1,061	12,646	$3,435,456
2019	1,138	13,281	$3,822,352
2020	1,162	12,091	$4,617,193
2021	1,045	7,631	$4,115,251
2022	1,083	8,399	$4,958,415
2023	1,033	8,360	$3,998,286
2024	980	7,243	$3,728,213

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	167	382	$40,403
2016	146	478	$18,074
2017	280	710	$22,175
2018	290	810	$25,856
2019	273	651	$22,400
2020	237	634	$30,629
2021	237	574	$26,767
2022	209	483	$22,263
2023	211	534	$28,551
2024	156	370	$16,937

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	597	1,072	$79
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	336	545	$56
93880	Ultrasound of both sides of head and neck blood flow	241	247	$28
93971	Ultrasound study of one arm or leg veins with compression and maneuvers	219	224	$15
36415	Insertion of needle into vein for collection of blood sample	263	357	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ingrezza	Valbenazine Tosylate	81	2,430	$792,035
Kesimpta Pen	Ofatumumab	58	1,674	$505,624
Gammagard Liquid	Immun Glob G(Igg)/Gly/Iga Ov50	27	756	$277,111
Vumerity	Diroximel Fumarate	24	720	$206,502
Fingolimod	Fingolimod Hcl	23	990	$104,300

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
A7032	Cushion for use on nasal mask interface, replacement only, each	N	15	33	$3,445
A7031	Face mask interface, replacement for full face mask, each	N	13	33	$3,219
A7030	Full face mask used with positive airway pressure device, each	N	13	31	$2,995
A4604	Tubing with integrated heating element for use with positive airway pressure device	N	22	52	$2,087
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	16	34	$1,938

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	224	$4,701	UCB, 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 Carol A. Kooistra, MD?

Tedicare shows public-source Medicare data for Carol A. Kooistra, MD (NPI 1598741837), 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 Carol A. Kooistra, MD have ACO affiliation data?

Carol A. Kooistra, MD is shown with ACO affiliation data for Southeastern Health Partners (MSSP, ACO ID A3325).

What billing organization is linked to Carol A. Kooistra, MD?

Carol A. Kooistra, MD is linked to CAROLINA NEUROLOGY OF SPARTANBURG (billing NPI 1922345529) in the available physician profile data.

Does Carol A. Kooistra, MD have Open Payments data?

Carol A. Kooistra, MD has 224 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.