Physician

Natalie Marshall, M.D.

According to 2025 Medicare claims, Natalie Marshall, M.D. (NPI: 1366445470) practices medical oncology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Alameda, CA. This provider's primary affiliated billing organization is UCSF MEDICAL GROUP BUSINESS SERVICES (NPI: 1477624104; TIN: 943281660) and primary practice location at 94702-2498. Marshall is affiliated with the Aledade 147 Hill Physicians MSSP Basic E (ACO ID: A5230), participating under the MSSP model.

Marshall's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 437 traditional Medicare patients, billed 98,423 HCPCS/CPT codes, and received $1,487,226 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 1,066 prescription claims across 270 beneficiaries totaling $1,928,593 in drug costs, led by Kisqali (Ribociclib Succinate). DME data shows 11 claims. Open Payments data shows 1 records totaling $10,000. 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 up and down with repeated peaks and valleys, starting at $842,364 and ending at $1,487,226. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $402,650 and ending at $1,928,593. 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	203	65,091	$842,364
2016	321	112,236	$1,459,176
2017	372	105,763	$1,934,807
2018	437	101,254	$1,820,039
2019	441	147,241	$2,280,510
2020	301	18,075	$339,557
2021	366	55,945	$834,309
2022	420	101,970	$1,584,382
2023	420	83,421	$1,365,044
2024	437	98,423	$1,487,226

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	118	1,058	$402,650
2016	201	1,421	$519,170
2017	220	1,650	$1,439,527
2018	299	1,821	$1,618,334
2019	328	1,845	$1,690,974
2020	229	807	$993,746
2021	183	823	$1,081,855
2022	217	871	$1,001,339
2023	236	896	$1,354,141
2024	270	1,066	$1,928,593

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	39	$18,855
2016	N/R	113	$51,208
2017	N/R	24	$1,018
2018	N/R	62	$8,794
2019	N/R	74	$24,860
2020	N/R	N/R	N/R
2021	N/R	16	$2,407
2022	N/R	N/R	N/R
2023	N/R	15	$2,394
2024	N/R	11	$403

* / # = 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	95	95	$197
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	111	165	$162
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	276	368	$110
36415	Insertion of needle into vein for collection of blood sample	61	208	$9
J7030	Infusion, normal saline solution , 1000 cc	58	487	$2

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Kisqali	Ribociclib Succinate	26	728	$436,831
Truqap	Capivasertib	14	392	$292,164
Ibrance	Palbociclib	18	504	$267,944
Lynparza	Olaparib	21	630	$257,508
Verzenio	Abemaciclib	13	364	$180,580

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
J8521	Capecitabine, oral, 500 mg	N	N/R	11	$403

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	0	$0	N/R
Research Payments	Reported research-related payment or transfer-of-value amount.	1	$10,000	LANGLEY PORTER PSYCHIATRIC HOSPITAL
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

Explore More Providers

FAQ

What Medicare data is available for Natalie Marshall, M.D.?

Tedicare shows public-source Medicare data for Natalie Marshall, M.D. (NPI 1366445470), 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 Natalie Marshall, M.D. have ACO affiliation data?

Natalie Marshall, M.D. is shown with ACO affiliation data for Aledade 147 Hill Physicians MSSP Basic E (MSSP, ACO ID A5230).

What billing organization is linked to Natalie Marshall, M.D.?

Natalie Marshall, M.D. is linked to UCSF MEDICAL GROUP BUSINESS SERVICES (billing NPI 1477624104) in the available physician profile data.

Does Natalie Marshall, M.D. have Open Payments data?

Natalie Marshall, M.D. has 1 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.