Physician

John Warren

According to 2025 Medicare claims, John Warren (NPI: 1013120104) practices internal medicine in the Tuscaloosa, AL market, with the plurality of this provider's patient population coming from Tuscaloosa, AL. This provider's primary affiliated billing organization is TUSKALOOSA INTERNAL MEDICINE LLC (NPI: 1235221847; TIN: 63-0479242) and primary practice location at 35404-2959. Warren is affiliated with the Aledade 79 AL MSSP Enhanced (ACO ID: A4894), participating under the MSSP model.

Warren's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 560 traditional Medicare patients, billed 25,732 HCPCS/CPT codes, and received $341,555 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 30,187 prescription claims across 1,220 beneficiaries totaling $2,875,621 in drug costs, led by Eliquis (Apixaban). DME data shows 278 claims. No Open Payments records. 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 $988,957 to $2,875,621. In contrast, DME billing represents a smaller volume and rose steadily, from $20,840 to $30,133.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,489	34,564	$569,472
2016	1,392	32,160	$539,760
2017	761	21,984	$371,482
2018	662	24,814	$295,175
2019	702	23,877	$307,956
2020	676	22,457	$313,254
2021	654	21,963	$321,461
2022	635	21,754	$344,302
2023	626	24,551	$365,150
2024	560	25,732	$341,555

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	1,033	18,419	$988,957
2016	993	18,192	$997,725
2017	842	17,116	$966,490
2018	927	16,998	$1,132,509
2019	1,024	18,415	$1,314,958
2020	1,056	24,542	$1,750,372
2021	1,080	26,756	$2,088,285
2022	1,172	28,110	$2,372,585
2023	1,196	28,513	$2,897,162
2024	1,220	30,187	$2,875,621

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	135	883	$145,777
2016	101	695	$141,087
2017	45	425	$115,701
2018	39	157	$3,386
2019	46	211	$4,282
2020	42	268	$10,284
2021	23	214	$10,930
2022	20	248	$20,852
2023	30	289	$24,638
2024	17	278	$30,132

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	416	910	$84
80061	Blood test, lipids (cholesterol and triglycerides)	402	698	$13
80053	Blood test, comprehensive group of blood chemicals	420	1,022	$10
36415	Insertion of needle into vein for collection of blood sample	432	1,413	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	411	889	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	621	19,701	$383,169
Mounjaro	Tirzepatide	204	6,114	$219,009
Ozempic	Semaglutide	148	4,930	$157,798
Trulicity	Dulaglutide	156	4,738	$155,160
Jardiance	Empagliflozin	225	8,070	$153,080

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	39	$20,446
A7508	Housing and integrated adhesive, for use in a tracheostoma heat and moisture exchange system and/or with a tracheostoma valve, each	N	N/R	11	$2,096
A4629	Tracheostomy care kit for established tracheostomy	N	N/R	11	$1,698
A7526	Tracheostomy tube collar/holder, each	N	N/R	11	$1,238
A4217	Sterile water/saline, 500 ml	N	N/R	11	$879

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for John Warren?

Tedicare shows public-source Medicare data for John Warren (NPI 1013120104), 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 John Warren have ACO affiliation data?

John Warren is shown with ACO affiliation data for Aledade 79 AL MSSP Enhanced (MSSP, ACO ID A4894).

What billing organization is linked to John Warren?

John Warren is linked to TUSKALOOSA INTERNAL MEDICINE LLC (billing NPI 1235221847) in the available physician profile data.

Does John Warren have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.