Physician

Chaitanya K Mamillapalli, M.D, MRCP

According to 2025 Medicare claims, Chaitanya Mamillapalli, M.D, MRCP (NPI: 1710137930) practices endocrinology in the Springfield, IL market, with the plurality of this provider's patient population coming from Sangamon, IL. This provider's primary affiliated billing organization is SPRINGFIELD CLINIC, LLP (NPI: 1780638478; TIN: 370701328) and primary practice location at 62702-4902. Mamillapalli is affiliated with the Springfield Clinic ACO, LLC (ACO ID: A2587) and IRCCO (ACO ID: A2619), participating under the MSSP model.

Mamillapalli's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 391 traditional Medicare patients, billed 11,970 HCPCS/CPT codes, and received $194,387 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 4,186 prescription claims across 514 beneficiaries totaling $1,724,106 in drug costs, led by Ozempic (Semaglutide). DME data shows 437 claims. Open Payments data shows 22 records totaling $431. 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 moved from a lower plateau to a higher plateau, from $73,129 to $194,387. Similarly, Part D prescription costs have risen steadily, from $77,329 to $1,724,106. For DME billing, reported payments moved sharply higher in recent years, from $4,963 to $138,881.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	332	1,010	$73,129
2016	262	932	$54,765
2017	450	2,508	$86,660
2018	625	5,218	$125,984
2019	553	5,021	$133,528
2020	617	4,162	$119,265
2021	474	5,290	$142,098
2022	428	7,311	$156,731
2023	437	10,791	$182,835
2024	391	11,970	$194,387

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	154	457	$77,329
2016	146	783	$188,648
2017	227	1,961	$614,167
2018	349	2,907	$1,200,398
2019	405	3,540	$1,550,302
2020	405	3,416	$1,531,049
2021	435	3,303	$1,394,102
2022	436	3,743	$1,764,693
2023	507	4,335	$2,305,327
2024	514	4,186	$1,724,106

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	18	90	$4,255
2016	17	40	$2,315
2017	70	156	$5,992
2018	100	322	$28,873
2019	106	425	$43,306
2020	107	417	$44,231
2021	119	522	$65,235
2022	123	641	$98,835
2023	127	692	$126,036
2024	111	437	$137,436

* / # = 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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$116
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	272	416	$87
95251	Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	44	70	$25
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	240	327	$12
36415	Insertion of needle into vein for collection of blood sample	221	360	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	417	19,123	$613,585
Jardiance	Empagliflozin	146	6,390	$125,316
Tymlos	Abaloparatide	24	1,020	$90,005
Mounjaro	Tirzepatide	69	1,993	$74,098
Humulin R U-500 Kwikpen	Insulin Regular, Human	58	1,188	$62,667

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	70	320	$128,507
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	16	16	$3,618
A4224	Supplies for maintenance of insulin infusion catheter, per week	N	N/R	11	$2,782
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	25	65	$1,635
A4225	Supplies for external insulin infusion pump, syringe type cartridge, sterile, each	N	N/R	11	$858

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	22	$431	Amgen 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 Chaitanya K. Mamillapalli, M.D, MRCP?

Tedicare shows public-source Medicare data for Chaitanya K. Mamillapalli, M.D, MRCP (NPI 1710137930), 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 Chaitanya K. Mamillapalli, M.D, MRCP have ACO affiliation data?

Chaitanya K. Mamillapalli, M.D, MRCP is shown with ACO affiliation data for Springfield Clinic ACO, LLC (MSSP, ACO ID A2587) and IRCCO (MSSP, ACO ID A2619).

What billing organization is linked to Chaitanya K. Mamillapalli, M.D, MRCP?

Chaitanya K. Mamillapalli, M.D, MRCP is linked to SPRINGFIELD CLINIC, LLP (billing NPI 1780638478) in the available physician profile data.

Does Chaitanya K. Mamillapalli, M.D, MRCP have Open Payments data?

Chaitanya K. Mamillapalli, M.D, MRCP has 22 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.