Physician

Maxwell Stem, M.D.

According to 2025 Medicare claims, Maxwell Stem, M.D. (NPI: 1093033300) practices ophthalmology in the Harrisburg-Carlisle, PA market, with the plurality of this provider's patient population coming from Cumberland, PA. This provider's primary affiliated billing organization is PENNSYLVANIA RETINA SPECIALISTS PC (NPI: 1568428126; TIN: 232152842) and primary practice location at 17011-1776.

Stem's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 879 traditional Medicare patients, billed 36,612 HCPCS/CPT codes, and received $2,866,223 in Medicare payments. The top billing code was J0178 (Injection, aflibercept, 1 mg). Part D data shows 584 prescription claims across 184 beneficiaries totaling $194,255 in drug costs, led by Eylea (Aflibercept). Open Payments data shows 7 records totaling $350. 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 risen steadily, from $17,398 to $2,866,223. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $18,953 to $194,255. 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	N/R	N/R	N/R
2016	87	154	$17,398
2017	172	280	$24,936
2018	916	5,425	$1,092,795
2019	1,605	12,781	$2,504,190
2020	1,149	12,477	$2,788,257
2021	1,069	12,326	$3,017,873
2022	953	15,204	$3,059,958
2023	967	33,900	$2,926,783
2024	879	36,612	$2,866,223

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	98	179	$18,953
2016	164	461	$35,250
2017	186	440	$16,461
2018	174	422	$22,284
2019	152	456	$35,304
2020	169	466	$99,437
2021	161	541	$86,944
2022	161	475	$122,039
2023	176	517	$180,916
2024	184	584	$194,255

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
J0178	Injection, aflibercept, 1 mg	233	1,916	$648
67028	Injection of drug into eye	407	1,756	$88
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	556	987	$65
92134	Imaging of retina	713	2,146	$29
92250	Photography of the retina	240	256	$27

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eylea	Aflibercept	52	1,472	$123,436
Vabysmo	Faricimab-Svoa	13	364	$29,317
Difluprednate	Difluprednate	33	1,006	$3,535
Prednisolone Acetate	Prednisolone Acetate	57	2,940	$2,763
Ketorolac Tromethamine	Ketorolac Tromethamine	63	2,282	$1,882

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.	7	$350	Alcon Vision LLC
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 Maxwell Stem, M.D.?

Tedicare shows public-source Medicare data for Maxwell Stem, M.D. (NPI 1093033300), 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 Maxwell Stem, 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 Maxwell Stem, M.D.?

Maxwell Stem, M.D. is linked to PENNSYLVANIA RETINA SPECIALISTS PC (billing NPI 1568428126) in the available physician profile data.

Does Maxwell Stem, M.D. have Open Payments data?

Maxwell Stem, M.D. has 7 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.