Physician

Andrew S O'Connor, DO

According to 2025 Medicare claims, Andrew O'Connor, DO (NPI: 1679581326) practices nephrology in the Charlotte-Concord-Gastonia, NC-SC market, with the plurality of this provider's patient population coming from Union, NC. This provider's primary affiliated billing organization is METROLINA NEPHROLOGY ASSOCIATES, PA (NPI: 1083664189; TIN: 561378901) and primary practice location at 28112-4361. O'Connor is affiliated with the Carolinas HealthCare System ACO, LLC (ACO ID: A3675), participating under the MSSP model.

O'Connor's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 466 traditional Medicare patients, billed 3,638 HCPCS/CPT codes, and received $177,345 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 1,700 prescription claims across 285 beneficiaries totaling $143,411 in drug costs, led by Velphoro (Sucroferric Oxyhydroxide). DME data shows 140 claims. Open Payments data shows 6 records totaling $220. 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 fallen sharply in recent years, from $405,943 to $177,345. Similarly, Part D prescription costs have fallen sharply in recent years, from $223,363 to $143,411. In contrast, DME billing represents a smaller volume and changed little.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	836	39,841	$405,943
2016	836	39,257	$413,763
2017	827	44,826	$452,082
2018	856	45,547	$469,887
2019	832	54,236	$407,837
2020	716	25,816	$350,178
2021	679	24,752	$338,427
2022	572	23,206	$255,730
2023	546	15,298	$203,524
2024	466	3,638	$177,345

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	324	2,496	$223,363
2016	322	2,503	$252,310
2017	322	2,438	$337,898
2018	378	2,654	$371,345
2019	342	2,504	$316,133
2020	311	1,887	$222,646
2021	294	1,741	$201,786
2022	311	1,768	$153,658
2023	303	1,635	$138,718
2024	285	1,700	$143,411

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	99	$10,473
2016	N/R	109	$2,715
2017	N/R	161	$11,217
2018	N/R	135	$7,623
2019	N/R	114	$10,636
2020	N/R	129	$9,516
2021	N/R	132	$8,063
2022	N/R	99	$4,606
2023	N/R	99	$3,091
2024	N/R	140	$3,370

* / # = 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	233	336	$53
83970	Parathormone (parathyroid hormone) level	194	273	$40
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	160	217	$11
36415	Insertion of needle into vein for collection of blood sample	236	429	$9
80069	Kidney function blood test panel	217	342	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Velphoro	Sucroferric Oxyhydroxide	21	690	$48,754
Veltassa	Patiromer Calcium Sorbitex	25	1,264	$21,985
Sevelamer Carbonate	Sevelamer Carbonate	36	1,920	$4,602
Torsemide	Torsemide	113	6,094	$2,950
Potassium Chloride	Potassium Chloride	150	7,209	$2,325

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
J7518	Mycophenolic acid, oral, 180 mg	N	N/R	28	$1,636
Q0512	Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period	N	N/R	41	$652
J7507	Tacrolimus, immediate release, oral, 1 mg	N	N/R	42	$555
Q0511	Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period	N	N/R	29	$527

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	6	$220	Organogenesis 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 Andrew S. O'Connor, DO?

Tedicare shows public-source Medicare data for Andrew S. O'Connor, DO (NPI 1679581326), 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 Andrew S. O'Connor, DO have ACO affiliation data?

Andrew S. O'Connor, DO is shown with ACO affiliation data for Carolinas HealthCare System ACO, LLC (MSSP, ACO ID A3675).

What billing organization is linked to Andrew S. O'Connor, DO?

Andrew S. O'Connor, DO is linked to METROLINA NEPHROLOGY ASSOCIATES, PA (billing NPI 1083664189) in the available physician profile data.

Does Andrew S. O'Connor, DO have Open Payments data?

Andrew S. O'Connor, DO has 6 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.