Physician

Evelyn Mai, M.D.

According to 2025 Medicare claims, Evelyn Mai, M.D. (NPI: 1538360904) practices sleep medicine, with the plurality of this provider's patient population coming from Northumberlnd, PA. This provider's primary affiliated billing organization is GEISINGER CLINIC (NPI: 1255382784; TIN: 236291113) and primary practice location at 17822-9800. Mai is affiliated with the Keystone ACO (ACO ID: A1552) and WellSpan Population Health Services (ACO ID: A2500), participating under the MSSP model.

Mai's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 362 traditional Medicare patients, billed 569 HCPCS/CPT codes, and received $31,800 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 272 prescription claims across 32 beneficiaries totaling $267,165 in drug costs, led by Xyrem (Sodium Oxybate). DME data shows 3,794 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 risen steadily, from $13,050 to $267,165. For DME billing, reported payments rose steadily, from $91,970 to $227,143.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	294	454	$33,135
2016	299	500	$35,820
2017	258	395	$28,145
2018	322	488	$36,123
2019	358	484	$34,866
2020	332	455	$28,839
2021	310	394	$28,100
2022	320	415	$31,130
2023	378	485	$35,130
2024	362	569	$31,800

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	24	93	$13,050
2016	38	132	$14,281
2017	32	117	$18,578
2018	26	149	$19,340
2019	35	180	$12,479
2020	31	238	$30,484
2021	30	247	$36,388
2022	28	193	$127,736
2023	25	230	$72,841
2024	32	272	$267,165

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	593	1,507	$91,243
2016	1,051	2,398	$107,316
2017	1,215	2,679	$83,057
2018	1,388	2,822	$102,014
2019	1,662	3,467	$146,433
2020	1,770	3,737	$170,193
2021	1,446	2,953	$140,962
2022	1,425	2,968	$149,894
2023	1,523	3,656	$207,110
2024	1,649	3,794	$226,607

* / # = 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	56	56	$99
95811	Sleep study in sleep lab with continuous airway pressure (6 years or older)	54	55	$81
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	135	148	$73
G0399	Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation	75	75	$35
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	121	132	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Xyrem	Sodium Oxybate	12	360	$253,860
Belsomra	Suvorexant	13	390	$5,680
Methylphenidate Er	Methylphenidate Hcl	12	360	$1,921
Vilazodone Hcl	Vilazodone Hcl	21	630	$1,234
Mirtazapine	Mirtazapine	19	570	$367

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
A7030	Full face mask used with positive airway pressure device, each	N	126	274	$32,461
A7031	Face mask interface, replacement for full face mask, each	N	111	251	$28,815
A7032	Cushion for use on nasal mask interface, replacement only, each	N	90	203	$27,058
E0601	Continuous positive airway pressure (cpap) device	Y	109	567	$26,097
E0470	Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device)	Y	33	201	$22,674

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 Evelyn Mai, M.D.?

Tedicare shows public-source Medicare data for Evelyn Mai, M.D. (NPI 1538360904), 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 Evelyn Mai, M.D. have ACO affiliation data?

Evelyn Mai, M.D. is shown with ACO affiliation data for Keystone ACO (MSSP, ACO ID A1552) and WellSpan Population Health Services (MSSP, ACO ID A2500).

What billing organization is linked to Evelyn Mai, M.D.?

Evelyn Mai, M.D. is linked to GEISINGER CLINIC (billing NPI 1255382784) in the available physician profile data.

Does Evelyn Mai, M.D. 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.