Physician

Thomas C Hattan, MD

According to 2025 Medicare claims, Thomas Hattan, MD (NPI: 1598708315) practices internal medicine in the Lewiston-Auburn, ME market, with the plurality of this provider's patient population coming from Androscoggin, ME. This provider's primary affiliated billing organization is CENTRAL MAINE MEDICAL CENTER (NPI: 1689653487; TIN: 010211494) and primary practice location at 04210-4332.

Hattan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 281 traditional Medicare patients, billed 924 HCPCS/CPT codes, and received $74,870 in Medicare payments. The top billing code was 99306 (Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more). Part D data shows 32,456 prescription claims across 571 beneficiaries totaling $2,008,300 in drug costs, led by Eliquis (Apixaban). DME data shows 266 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $727,761 to $2,008,300. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $7,452 and ending at $14,843.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	493	1,238	$90,174
2016	472	1,215	$99,931
2017	518	1,689	$131,952
2018	523	1,633	$129,882
2019	498	1,507	$113,573
2020	389	1,148	$90,589
2021	413	1,305	$99,208
2022	374	1,224	$90,241
2023	382	1,125	$92,741
2024	281	924	$74,870

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	409	13,166	$727,761
2016	448	16,539	$952,671
2017	509	22,433	$1,184,856
2018	532	28,501	$1,342,046
2019	532	25,824	$1,371,246
2020	531	26,177	$1,483,390
2021	501	25,731	$1,634,923
2022	543	25,948	$1,600,910
2023	586	29,435	$1,973,600
2024	571	32,456	$2,008,300

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	74	$7,081
2016	N/R	112	$6,988
2017	11	203	$9,426
2018	16	186	$7,950
2019	35	140	$6,646
2020	39	135	$5,520
2021	22	220	$11,414
2022	18	91	$5,229
2023	13	176	$15,246
2024	13	266	$14,890

* / # = 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
99306	Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more	30	32	$127
99310	Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	62	79	$115
99305	Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	59	61	$93
99309	Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	204	516	$75
99349	Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	55	122	$75

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	571	10,024	$205,763
Jardiance	Empagliflozin	292	5,463	$115,649
Trulicity	Dulaglutide	118	3,064	$111,727
Xarelto	Rivaroxaban	280	4,920	$97,896
Januvia	Sitagliptin Phosphate	212	3,763	$77,421

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
A4407	Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each	N	N/R	13	$3,092
A4425	Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each	N	N/R	30	$2,586
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	36	$2,557
A4362	Skin barrier; solid, 4 x 4 or equivalent; each	N	N/R	16	$1,490
A4409	Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each	N	N/R	11	$1,395

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 Thomas C. Hattan, MD?

Tedicare shows public-source Medicare data for Thomas C. Hattan, MD (NPI 1598708315), 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 Thomas C. Hattan, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Thomas C. Hattan, MD?

Thomas C. Hattan, MD is linked to CENTRAL MAINE MEDICAL CENTER (billing NPI 1689653487) in the available physician profile data.

Does Thomas C. Hattan, MD 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.