Physician

Maria C Castellano, M.D.

According to 2025 Medicare claims, Maria Castellano, M.D. (NPI: 1306950100) practices gastroenterology in the Valdosta, GA market, with the plurality of this provider's patient population coming from Lowndes, GA. This provider's primary affiliated billing organization is MARIA C CASTELLANO, MD, LLC (NPI: 1568789329; TIN: 27-0743298) and primary practice location at 31602-2576.

Castellano's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 633 traditional Medicare patients, billed 1,477 HCPCS/CPT codes, and received $140,822 in Medicare payments. The top billing code was 45380 (Biopsy of large bowel using a flexible endoscope). Part D data shows 702 prescription claims across 184 beneficiaries totaling $135,992 in drug costs, led by Linzess (Linaclotide). Open Payments data shows 5 records totaling $183. 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 started with an early spike, then settled into a lower baseline, moving from $515,974 to $135,992. 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	421	1,196	$107,924
2016	434	1,183	$92,044
2017	561	1,544	$129,757
2018	644	1,678	$133,978
2019	749	2,075	$175,453
2020	627	1,804	$151,806
2021	586	1,712	$151,459
2022	604	1,630	$148,202
2023	628	1,524	$148,579
2024	633	1,477	$140,822

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	309	1,433	$515,974
2016	354	1,527	$1,116,342
2017	370	1,742	$330,796
2018	479	2,194	$592,589
2019	324	1,712	$711,697
2020	244	1,126	$402,841
2021	199	839	$369,827
2022	227	747	$334,434
2023	259	742	$197,584
2024	184	702	$135,992

DME Billing Trend

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

No connected DME records

* / # = 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
45380	Biopsy of large bowel using a flexible endoscope	184	185	$119
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	104	104	$116
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	262	402	$91
43239	Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	121	124	$89
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	240	291	$64

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Linzess	Linaclotide	24	1,500	$27,264
Creon	Lipase/Protease/Amylase	15	522	$27,195
Lubiprostone	Lubiprostone	43	1,603	$5,916
Mesalamine	Mesalamine	14	371	$4,856
Sucralfate	Sucralfate	31	930	$3,824

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	5	$183	Boston Scientific Corporation
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 Maria C. Castellano, M.D.?

Tedicare shows public-source Medicare data for Maria C. Castellano, M.D. (NPI 1306950100), 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 Maria C. Castellano, 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 Maria C. Castellano, M.D.?

Maria C. Castellano, M.D. is linked to MARIA C CASTELLANO, MD, LLC (billing NPI 1568789329) in the available physician profile data.

Does Maria C. Castellano, M.D. have Open Payments data?

Maria C. Castellano, M.D. has 5 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.