Physician

Ken C Arakawa, M.D.

According to 2025 Medicare claims, Ken Arakawa, M.D. (NPI: 1558334888) practices rheumatology in the Urban Honolulu, HI market, with the plurality of this provider's patient population coming from Honolulu, HI. This provider's primary affiliated billing organization is KEN C. ARAKAWA MD INC. (NPI: 1578653127; TIN: 990283928) and primary practice location at 96813-2411. Arakawa is affiliated with the QCIPN (ACO ID: A4614), participating under the MSSP model.

Arakawa's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,210 traditional Medicare patients, billed 425,826 HCPCS/CPT codes, and received $5,204,718 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 8,515 prescription claims across 1,046 beneficiaries totaling $2,121,987 in drug costs, led by Rinvoq (Upadacitinib). 2019 DME data shows 44 claims. Open Payments data shows 51 records totaling $611. 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 $1,605,852 to $5,204,718. Concurrently, Part D prescription costs have changed little. 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	1,035	147,559	$1,605,852
2016	1,072	133,198	$1,716,605
2017	1,119	130,406	$2,064,255
2018	1,116	145,707	$2,294,950
2019	1,157	196,775	$3,047,248
2020	1,080	183,321	$3,620,246
2021	1,108	194,454	$3,539,476
2022	1,055	217,620	$3,466,094
2023	1,086	318,674	$3,981,674
2024	1,210	425,826	$5,204,718

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	1,227	16,114	$1,701,820
2016	1,268	15,866	$1,819,816
2017	1,286	14,558	$1,875,286
2018	1,293	14,485	$1,931,572
2019	1,341	13,617	$1,645,080
2020	1,287	12,055	$1,666,154
2021	1,159	9,065	$1,435,486
2022	1,018	8,113	$1,651,813
2023	1,018	8,614	$1,980,974
2024	1,046	8,515	$2,121,987

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	16	18	$264
2016	16	17	$240
2017	12	13	$208
2018	12	36	$3,127
2019	17	44	$3,691
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = 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	838	2,320	$87
96372	Injection of drug or substance under skin or into muscle	557	2,516	$12
82565	Blood creatinine level	550	1,053	$5
82247	Bilirubin level, total	551	1,054	$5
84295	Blood sodium level	551	1,053	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Rinvoq	Upadacitinib	69	2,070	$439,953
Humira(Cf) Pen	Adalimumab	44	1,232	$289,921
Enbrel Sureclick	Etanercept	27	756	$192,976
Simponi	Golimumab	23	654	$138,104
Humira	Adalimumab	13	364	$86,930

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.	51	$611	Amgen 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

Explore More Providers

FAQ

What Medicare data is available for Ken C. Arakawa, M.D.?

Tedicare shows public-source Medicare data for Ken C. Arakawa, M.D. (NPI 1558334888), 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 Ken C. Arakawa, M.D. have ACO affiliation data?

Ken C. Arakawa, M.D. is shown with ACO affiliation data for QCIPN (MSSP, ACO ID A4614).

What billing organization is linked to Ken C. Arakawa, M.D.?

Ken C. Arakawa, M.D. is linked to KEN C. ARAKAWA MD INC. (billing NPI 1578653127) in the available physician profile data.

Does Ken C. Arakawa, M.D. have Open Payments data?

Ken C. Arakawa, M.D. has 51 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.