Physician

Kristen P Tamura, M.D.

According to 2025 Medicare claims, Kristen Tamura, M.D. (NPI: 1356502553) practices nephrology in the Kahului-Wailuku, HI market, with the plurality of this provider's patient population coming from Maui, HI. This provider's primary affiliated billing organization is KTAMURA MD INC (NPI: 1770136087; TIN: 844004067) and primary practice location at 96793-2416. Tamura is affiliated with the Altais Care Alliance (ACO ID: A5339), participating under the MSSP model.

Tamura's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 251 traditional Medicare patients, billed 1,011 HCPCS/CPT codes, and received $112,764 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 2,145 prescription claims across 305 beneficiaries totaling $439,957 in drug costs, led by Kerendia (Finerenone). Open Payments data shows 27 records totaling $680. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $4,985 to $439,957. 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	44	134	$13,017
2017	305	1,264	$137,776
2018	258	1,370	$152,191
2019	237	928	$95,428
2020	213	1,031	$88,840
2021	225	783	$84,412
2022	228	919	$96,815
2023	256	951	$101,875
2024	251	1,011	$112,764

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	68	178	$4,985
2016	133	426	$26,664
2017	93	265	$34,366
2018	58	452	$59,454
2019	84	526	$54,094
2020	122	615	$99,825
2021	162	934	$130,304
2022	203	1,342	$231,186
2023	253	1,813	$384,433
2024	305	2,145	$439,957

DME Billing Trend

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

No connected DME records

* / # = 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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$121
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	118	251	$94
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	85	123	$63
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	58	$58
90935	Hemodialysis procedure with physician evaluation	30	103	$52

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Kerendia	Finerenone	83	4,832	$98,610
Farxiga	Dapagliflozin Propanediol	52	3,690	$66,518
Jardiance	Empagliflozin	40	3,030	$52,796
Auryxia	Ferric Citrate	14	480	$25,116
Sevelamer Carbonate	Sevelamer Carbonate	55	4,584	$19,565

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.	27	$680	Bayer Healthcare Pharmaceuticals 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 Kristen P. Tamura, M.D.?

Tedicare shows public-source Medicare data for Kristen P. Tamura, M.D. (NPI 1356502553), 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 Kristen P. Tamura, M.D. have ACO affiliation data?

Kristen P. Tamura, M.D. is shown with ACO affiliation data for Altais Care Alliance (MSSP, ACO ID A5339).

What billing organization is linked to Kristen P. Tamura, M.D.?

Kristen P. Tamura, M.D. is linked to KTAMURA MD INC (billing NPI 1770136087) in the available physician profile data.

Does Kristen P. Tamura, M.D. have Open Payments data?

Kristen P. Tamura, M.D. has 27 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.