Physician

Charlotte Y Kim, M.D.

According to 2025 Medicare claims, Charlotte Kim, M.D. (NPI: 1013079649) practices radiation oncology in the Santa Cruz-Watsonville, CA market, with the plurality of this provider's patient population coming from Santa Cruz, CA. This provider's primary affiliated billing organization is SUTTER BAY MEDICAL FOUNDATION (NPI: 1013950807; TIN: 941156581) and primary practice location at 95065-1700. Kim is affiliated with the Sutter Medicare Direct (ACO ID: A5279), participating under the MSSP model.

Kim's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 365 traditional Medicare patients, billed 5,234 HCPCS/CPT codes, and received $943,834 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 62 prescription claims across 43 beneficiaries totaling $1,325 in drug costs, led by Triamcinolone Acetonide (Triamcinolone Acetonide). DME data shows 18 claims. Open Payments data shows 10 records totaling $389. 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 changed little. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $3,934 to $1,325. 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	396	6,112	$1,029,237
2016	378	5,400	$941,024
2017	421	6,029	$1,021,735
2018	470	6,416	$1,155,450
2019	467	5,945	$1,137,322
2020	457	6,736	$1,261,626
2021	419	6,467	$1,173,927
2022	441	6,644	$1,239,648
2023	387	5,507	$1,107,706
2024	365	5,234	$943,834

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	60	137	$3,934
2016	51	79	$8,989
2017	34	77	$2,134
2018	46	88	$2,247
2019	45	81	$2,463
2020	41	80	$1,476
2021	37	59	$1,060
2022	51	102	$1,864
2023	81	138	$2,766
2024	43	62	$1,325

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	19	$680
2017	N/R	32	$1,104
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	28	28	$16,114
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	18	$912

* / # = 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	90	90	$185
77427	Radiation treatment management, 5 treatment sessions	99	229	$167
77263	Complex radiation therapy planning	91	101	$138
77014	Ct guidance for insertion of radiation therapy fields	175	920	$114
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	124	152	$68

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Triamcinolone Acetonide	Triamcinolone Acetonide	24	777	$339
Dexamethasone	Dexamethasone	11	249	$211

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
E0656	Segmental pneumatic appliance for use with pneumatic compressor, trunk	Y	N/R	18	$912

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	10	$389	Boston Scientific Corporation
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 Charlotte Y. Kim, M.D.?

Tedicare shows public-source Medicare data for Charlotte Y. Kim, M.D. (NPI 1013079649), 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 Charlotte Y. Kim, M.D. have ACO affiliation data?

Charlotte Y. Kim, M.D. is shown with ACO affiliation data for Sutter Medicare Direct (MSSP, ACO ID A5279).

What billing organization is linked to Charlotte Y. Kim, M.D.?

Charlotte Y. Kim, M.D. is linked to SUTTER BAY MEDICAL FOUNDATION (billing NPI 1013950807) in the available physician profile data.

Does Charlotte Y. Kim, M.D. have Open Payments data?

Charlotte Y. Kim, M.D. has 10 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.