Physician

Daniel J O'Connor

According to 2025 Medicare claims, Daniel O'Connor (NPI: 1194794958) practices ophthalmology in the Boston, MA market, with the plurality of this provider's patient population coming from Plymouth, MA. This provider's primary affiliated billing organization is OPHTHALMIC CONSULTANTS OF BOSTON, INC. (NPI: 1437374428; TIN: 04-2500346) and primary practice location at 02360-7243. O'Connor is affiliated with the Mass General Brigham ACO, LLC (ACO ID: A4641), participating under the MSSP model.

O'Connor's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,780 traditional Medicare patients, billed 14,138 HCPCS/CPT codes, and received $999,755 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 7,929 prescription claims across 1,934 beneficiaries totaling $210,712 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). DME data shows 39 claims. No Open Payments records. 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 fallen sharply in recent years, from $499,897 to $210,712. 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	2,674	12,228	$1,238,073
2016	2,912	12,787	$1,289,273
2017	2,856	15,989	$1,280,501
2018	2,867	17,620	$1,336,943
2019	2,817	17,382	$1,403,583
2020	2,081	11,337	$909,842
2021	2,203	13,117	$1,123,590
2022	2,118	13,328	$1,085,164
2023	1,981	14,923	$1,067,290
2024	1,780	14,138	$999,755

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	1,643	10,037	$499,897
2016	1,885	11,444	$586,387
2017	2,038	12,437	$723,547
2018	2,272	13,271	$747,243
2019	2,442	12,462	$737,376
2020	1,982	9,197	$631,239
2021	2,143	9,183	$459,777
2022	2,021	8,288	$359,649
2023	1,995	7,973	$274,100
2024	1,934	7,929	$210,712

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	75	77	$4,429
2016	88	90	$4,779
2017	50	62	$4,189
2018	118	119	$6,716
2019	93	95	$5,951
2020	16	17	$884
2021	46	50	$3,467
2022	31	38	$2,920
2023	75	86	$6,633
2024	33	39	$3,438

* / # = 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	516	516	$106
92014	Established patient complete exam of visual system	847	922	$81
66984	Removal of cataract with insertion of prosthetic lens	1,171	8,502	$73
92012	Established patient problem focused exam of visual system	913	998	$70
92136	Measurement of corneal curvature and depth of eye	1,133	1,701	$29

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Prednisolone Acetate	Prednisolone Acetate	2,409	58,794	$67,511
Lumigan	Bimatoprost	69	4,575	$44,358
Ketorolac Tromethamine	Ketorolac Tromethamine	1,959	47,308	$22,152
Ofloxacin	Ofloxacin	1,554	33,896	$15,133
Latanoprost	Latanoprost	702	54,284	$11,073

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
V2303	Spherocylinder, trifocal, plano to plus or minus 4.00d sphere, .12-2.00d cylinder, per lens	N	11	14	$1,860
V2020	Frames, purchases	N	22	25	$1,578

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Daniel J. O'Connor?

Tedicare shows public-source Medicare data for Daniel J. O'Connor (NPI 1194794958), 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 Daniel J. O'Connor have ACO affiliation data?

Daniel J. O'Connor is shown with ACO affiliation data for Mass General Brigham ACO, LLC (MSSP, ACO ID A4641).

What billing organization is linked to Daniel J. O'Connor?

Daniel J. O'Connor is linked to OPHTHALMIC CONSULTANTS OF BOSTON, INC. (billing NPI 1437374428) in the available physician profile data.

Does Daniel J. O'Connor have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.