Physician

Mary Lisa Mcham, M.D.

According to 2025 Medicare claims, Mary Mcham, M.D. (NPI: 1922055664) practices ophthalmology in the Boston, MA market, with the plurality of this provider's patient population coming from Norfolk, MA. This provider's primary affiliated billing organization is OPHTHALMIC CONSULTANTS OF BOSTON, INC. (NPI: 1932146594; TIN: 04-2500346) and primary practice location at 02189-3110. Mcham is affiliated with the Mass General Brigham ACO, LLC (ACO ID: A4641), participating under the MSSP model.

Mcham's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 2,164 traditional Medicare patients, billed 6,725 HCPCS/CPT codes, and received $628,123 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 10,054 prescription claims across 1,941 beneficiaries totaling $712,387 in drug costs, led by Lumigan (Bimatoprost). DME data shows 13 claims. Open Payments data shows 1 records totaling $20. 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 risen steadily, from $231,850 to $712,387. 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	1,810	4,333	$480,644
2016	1,635	4,139	$461,897
2017	1,771	4,316	$435,402
2018	1,796	4,967	$504,024
2019	1,769	5,144	$502,507
2020	1,555	3,979	$392,247
2021	1,665	4,536	$473,291
2022	1,645	4,966	$489,683
2023	2,139	5,901	$586,318
2024	2,164	6,725	$628,123

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	833	4,868	$231,850
2016	896	5,930	$308,861
2017	998	6,542	$346,083
2018	1,111	7,933	$440,077
2019	1,121	7,861	$497,490
2020	1,116	7,574	$501,719
2021	1,284	7,390	$462,991
2022	1,314	7,899	$458,271
2023	1,723	8,512	$576,153
2024	1,941	10,054	$712,387

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	45	45	$2,569
2016	56	56	$3,034
2017	39	39	$2,258
2018	35	36	$2,134
2019	20	20	$994
2020	N/R	N/R	N/R
2021	11	11	$791
2022	N/R	N/R	N/R
2023	17	17	$941
2024	13	13	$760

* / # = 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	627	758	$97
92014	Established patient complete exam of visual system	1,426	1,543	$92
92012	Established patient problem focused exam of visual system	455	514	$70
92083	Exam of visual field with extended testing	962	1,055	$50
92133	Imaging of optic nerve	1,095	1,192	$27

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Lumigan	Bimatoprost	188	12,937	$125,037
Rhopressa	Netarsudil Mesylate	132	7,075	$81,361
Restasis	Cyclosporine	50	2,760	$55,610
Latanoprost	Latanoprost	3,511	258,201	$55,271
Prednisolone Acetate	Prednisolone Acetate	1,013	34,090	$43,407

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
V2020	Frames, purchases	N	13	13	$760

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$20	NEW WORLD MEDICAL,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 Mary Lisa Mcham, M.D.?

Tedicare shows public-source Medicare data for Mary Lisa Mcham, M.D. (NPI 1922055664), 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 Mary Lisa Mcham, M.D. have ACO affiliation data?

Mary Lisa Mcham, M.D. is shown with ACO affiliation data for Mass General Brigham ACO, LLC (MSSP, ACO ID A4641).

What billing organization is linked to Mary Lisa Mcham, M.D.?

Mary Lisa Mcham, M.D. is linked to OPHTHALMIC CONSULTANTS OF BOSTON, INC. (billing NPI 1932146594) in the available physician profile data.

Does Mary Lisa Mcham, M.D. have Open Payments data?

Mary Lisa Mcham, M.D. has 1 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.