Physician

Timothy Eugene Spencer, DO

According to 2025 Medicare claims, Timothy Spencer, DO (NPI: 1053375758) practices neurosurgery in the Battle Creek, MI market, with the plurality of this provider's patient population coming from Calhoun, MI. This provider's primary affiliated billing organization is GREATER MICHIGAN SPINE & NEUROLOGIC INSTITUTE, PC (NPI: 1750498275; TIN: 20-5224242) and primary practice location at 49068-1143. Spencer is affiliated with the POM ACO (ACO ID: A1297), West Michigan Accountable Care Organization, LLC (ACO ID: A4626), Aledade 201 National MSSP (ACO ID: A5522), and Honest MSSP of Michigan LLC (ACO ID: A5616), participating under the MSSP model.

Spencer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 218 traditional Medicare patients, billed 1,056 HCPCS/CPT codes, and received $307,068 in Medicare payments. The top billing code was 22633 (Fusion of spine in lower back with partial removal of spine bone and disc). Part D data shows 1,418 prescription claims across 288 beneficiaries totaling $376,175 in drug costs, led by Tymlos (Abaloparatide). DME data shows 75 claims. Open Payments data shows 23 records totaling $533. 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 declined steadily, from $414,777 to $307,068. In contrast, Part D prescription costs have risen steadily, from $18,006 to $376,175. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $156,571 and ending at $179,620.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	276	1,428	$414,777
2016	388	2,060	$583,025
2017	443	1,820	$513,997
2018	411	1,656	$468,066
2019	460	1,528	$432,810
2020	294	999	$271,518
2021	284	1,092	$287,063
2022	250	1,279	$355,299
2023	236	1,162	$340,553
2024	218	1,056	$307,068

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	141	726	$18,006
2016	222	1,346	$79,385
2017	307	1,695	$198,767
2018	308	1,700	$374,114
2019	332	1,562	$261,946
2020	230	925	$219,290
2021	219	956	$253,087
2022	274	1,143	$349,833
2023	325	1,556	$374,934
2024	288	1,418	$376,175

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	165	167	$271,094
2016	189	189	$284,644
2017	187	187	$299,425
2018	234	248	$340,491
2019	201	229	$306,230
2020	75	90	$129,481
2021	94	106	$167,778
2022	66	66	$151,287
2023	34	35	$141,911
2024	70	75	$201,114

* / # = 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
22633	Fusion of spine in lower back with partial removal of spine bone and disc	36	36	$1,316
22853	Insertion of cage or mesh device to spine bone and disc space during spine fusion	60	142	$190
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$111
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	183	392	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	37	39	$58

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tymlos	Abaloparatide	90	2,756	$245,170
Teriparatide	Teriparatide	36	1,008	$111,460
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	323	3,129	$5,390
Doxycycline Monohydrate	Doxycycline Monohydrate	110	1,547	$1,813
Duloxetine Hcl	Duloxetine Hcl	87	4,770	$1,639

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
E0748	Osteogenesis stimulator, electrical, non-invasive, spinal applications	N	38	43	$178,966
L0650	Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf	N	32	32	$22,148

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	23	$533	Nevro Corp.
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 Timothy Eugene Spencer, DO?

Tedicare shows public-source Medicare data for Timothy Eugene Spencer, DO (NPI 1053375758), 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 Timothy Eugene Spencer, DO have ACO affiliation data?

Timothy Eugene Spencer, DO is shown with ACO affiliation data for POM ACO (MSSP, ACO ID A1297), West Michigan Accountable Care Organization, LLC (MSSP, ACO ID A4626), Aledade 201 National MSSP (MSSP, ACO ID A5522), and Honest MSSP of Michigan LLC (MSSP, ACO ID A5616).

What billing organization is linked to Timothy Eugene Spencer, DO?

Timothy Eugene Spencer, DO is linked to GREATER MICHIGAN SPINE & NEUROLOGIC INSTITUTE, PC (billing NPI 1750498275) in the available physician profile data.

Does Timothy Eugene Spencer, DO have Open Payments data?

Timothy Eugene Spencer, DO has 23 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.