Physician

Gregory John Allen, M.D.

According to 2025 Medicare claims, Gregory Allen, M.D. (NPI: 1952398356) practices family practice in the Hammond, LA market, with the plurality of this provider's patient population coming from Tangipahoa, LA. This provider's primary affiliated billing organization is ALLEN'S FAMILY PRACTICE CLINIC OF PONCHATOULA, L.L.P. (NPI: 1992793095; TIN: 721452593) and primary practice location at 70454-0129.

Allen's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 440 traditional Medicare patients, billed 3,254 HCPCS/CPT codes, and received $176,489 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 17,355 prescription claims across 876 beneficiaries totaling $1,871,792 in drug costs, led by Eliquis (Apixaban). DME data shows 160 claims. Open Payments data shows 157 records totaling $3,110. 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 did not follow a clear longitudinal pattern. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $34,290 and ending at $14,515.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	634	5,070	$226,049
2016	654	5,087	$222,936
2017	643	3,757	$186,795
2018	589	3,600	$157,685
2019	685	4,225	$249,393
2020	613	3,547	$190,874
2021	553	3,723	$195,193
2022	534	5,711	$188,005
2023	479	3,589	$172,157
2024	440	3,254	$176,489

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	945	28,867	$2,062,053
2016	1,020	27,495	$2,066,828
2017	939	25,497	$2,072,280
2018	779	14,184	$1,126,449
2019	849	16,512	$1,502,017
2020	824	16,367	$1,544,797
2021	844	15,681	$1,583,891
2022	862	16,502	$1,803,193
2023	846	17,075	$1,967,162
2024	876	17,355	$1,871,792

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	203	728	$24,835
2016	178	712	$17,238
2017	114	549	$11,437
2018	43	472	$15,751
2019	33	379	$15,255
2020	46	434	$20,686
2021	32	276	$23,250
2022	25	277	$16,734
2023	N/R	195	$12,009
2024	N/R	160	$14,049

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	141	141	$120
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	217	374	$73
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	160	288	$57
G0008	Administration of influenza virus vaccine	127	131	$29
G0444	Annual depression screening, 5 to 15 minutes	142	142	$17

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	183	7,328	$142,620
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	149	5,430	$112,293
Mounjaro	Tirzepatide	90	3,029	$111,560
Jardiance	Empagliflozin	141	5,270	$103,487
Farxiga	Dapagliflozin Propanediol	84	4,410	$83,091

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	16	$4,530
B4154	Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	13	$3,971
B4035	Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	13	$1,874
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	24	$1,634
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	16	$700

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	157	$3,110	AstraZeneca Pharmaceuticals LP
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 Gregory John Allen, M.D.?

Tedicare shows public-source Medicare data for Gregory John Allen, M.D. (NPI 1952398356), 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 Gregory John Allen, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Gregory John Allen, M.D.?

Gregory John Allen, M.D. is linked to ALLEN'S FAMILY PRACTICE CLINIC OF PONCHATOULA, L.L.P. (billing NPI 1992793095) in the available physician profile data.

Does Gregory John Allen, M.D. have Open Payments data?

Gregory John Allen, M.D. has 157 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.