Physician

Frederic Charles Kass, MD

According to 2025 Medicare claims, Frederic Kass, MD (NPI: 1538181110) practices hematology/oncology in the Santa Maria-Santa Barbara, CA market, with the plurality of this provider's patient population coming from Santa Barbara, CA. This provider's primary affiliated billing organization is THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (NPI: 1235107566; TIN: 954373071) and primary practice location at 93101-2018. Kass is affiliated with the Aledade A3299 CA MSSP Enhanced (ACO ID: A3299), participating under the MSSP model.

Kass' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 268 traditional Medicare patients, billed 92,811 HCPCS/CPT codes, and received $1,336,943 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 287 prescription claims across 63 beneficiaries totaling $1,215,990 in drug costs, led by Verzenio (Abemaciclib). DME data shows 15 claims. Open Payments data shows 4 records totaling $70. 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 have moved up and down with repeated peaks and valleys, starting at $1,045,182 and ending at $1,215,990. 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	444	91,724	$1,614,119
2016	455	106,083	$1,469,775
2017	423	111,702	$1,661,411
2018	418	127,148	$1,499,114
2019	385	118,911	$1,585,573
2020	397	143,567	$1,828,734
2021	377	127,692	$1,765,538
2022	264	83,858	$1,294,298
2023	276	101,442	$1,395,461
2024	268	92,811	$1,336,943

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	156	1,097	$1,045,182
2016	175	1,135	$1,149,719
2017	153	923	$1,301,327
2018	128	783	$1,350,663
2019	123	584	$914,017
2020	133	647	$1,382,181
2021	138	789	$2,024,591
2022	90	280	$523,749
2023	80	310	$987,769
2024	63	287	$1,215,990

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	11	85	$31,873
2016	N/R	51	$16,578
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	12	$1,760
2020	N/R	40	$2,211
2021	N/R	115	$5,960
2022	N/R	79	$2,241
2023	N/R	106	$9,831
2024	N/R	15	$188

* / # = 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
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	92	300	$145
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	149	338	$97
96372	Injection of drug or substance under skin or into muscle	43	142	$12
36415	Insertion of needle into vein for collection of blood sample	74	180	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	92	267	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Verzenio	Abemaciclib	29	812	$376,316
Ibrance	Palbociclib	20	560	$335,964
Imvexxy	Estradiol	14	408	$2,968
Anastrozole	Anastrozole	34	2,460	$528
Tamoxifen Citrate	Tamoxifen Citrate	31	1,590	$473

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
Q0512	Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period	N	N/R	15	$188

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	4	$70	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 Frederic Charles Kass, MD?

Tedicare shows public-source Medicare data for Frederic Charles Kass, MD (NPI 1538181110), 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 Frederic Charles Kass, MD have ACO affiliation data?

Frederic Charles Kass, MD is shown with ACO affiliation data for Aledade A3299 CA MSSP Enhanced (MSSP, ACO ID A3299).

What billing organization is linked to Frederic Charles Kass, MD?

Frederic Charles Kass, MD is linked to THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (billing NPI 1235107566) in the available physician profile data.

Does Frederic Charles Kass, MD have Open Payments data?

Frederic Charles Kass, MD has 4 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.