Physician

Gerald Joseph Calegan, MD

According to 2025 Medicare claims, Gerald Calegan, MD (NPI: 1902873516) practices neurology in the Baton Rouge, LA market, with the plurality of this provider's patient population coming from E. Baton Rouge, LA. This provider's primary affiliated billing organization is NEUROMEDICAL CENTER (NPI: 1740216399; TIN: 720827144) and primary practice location at 70810-1685.

Calegan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 560 traditional Medicare patients, billed 37,954 HCPCS/CPT codes, and received $279,965 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 6,146 prescription claims across 829 beneficiaries totaling $4,927,184 in drug costs, led by Nuplazid (Pimavanserin Tartrate). DME data shows 50 claims. Open Payments data shows 396 records totaling $57,423. 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 from a lower plateau to a higher plateau, from $1,244,482 to $4,927,184. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $5,831 and ending at $45,822.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	752	16,695	$226,310
2016	787	18,242	$234,393
2017	752	17,783	$211,945
2018	807	24,330	$266,449
2019	718	20,230	$227,702
2020	632	21,877	$214,284
2021	555	23,592	$216,335
2022	498	28,972	$230,407
2023	510	30,142	$239,332
2024	560	37,954	$279,965

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	548	4,824	$1,244,482
2016	571	5,055	$1,295,250
2017	603	5,584	$1,244,319
2018	651	5,854	$1,615,642
2019	631	4,804	$2,404,983
2020	603	4,422	$2,893,241
2021	661	4,373	$3,156,882
2022	664	4,639	$3,237,354
2023	748	5,300	$3,631,265
2024	829	6,146	$4,927,184

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	26	38	$4,845
2016	25	37	$5,271
2017	N/R	31	$900
2018	N/R	52	$1,050
2019	N/R	25	$1,116
2020	N/R	122	$78,464
2021	N/R	39	$75,303
2022	N/R	39	$75,076
2023	N/R	50	$78,537
2024	N/R	50	$80,341

* / # = 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	119	119	$148
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	190	$85
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	266	359	$56
99490	Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	139	282	$47
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	319	423	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Nuplazid	Pimavanserin Tartrate	459	13,749	$2,248,196
Rytary	Carbidopa/Levodopa	410	17,764	$449,908
Austedo	Deutetrabenazine	35	1,035	$426,677
Austedo Xr	Deutetrabenazine	32	960	$366,168
Ingrezza	Valbenazine Tosylate	38	1,140	$311,550

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
J7340	Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 ml	N	N/R	13	$65,943
A4222	Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)	N	N/R	13	$13,306
A4221	Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)	N	N/R	13	$1,000
A7038	Filter, disposable, used with positive airway pressure device	N	N/R	11	$91

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	396	$57,423	ACADIA Pharmaceuticals 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 Gerald Joseph Calegan, MD?

Tedicare shows public-source Medicare data for Gerald Joseph Calegan, MD (NPI 1902873516), 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 Gerald Joseph Calegan, MD have ACO affiliation data?

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

What billing organization is linked to Gerald Joseph Calegan, MD?

Gerald Joseph Calegan, MD is linked to NEUROMEDICAL CENTER (billing NPI 1740216399) in the available physician profile data.

Does Gerald Joseph Calegan, MD have Open Payments data?

Gerald Joseph Calegan, MD has 396 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.