Physician

Alissa A O'Hagan, MD

Obstetrics/gynecology Traverse City, MI Grand Traverse Womens Clinic Pllc

According to 2025 Medicare claims, Alissa A. O'Hagan, MD (NPI: 1376874040) practices obstetrics/gynecology in the Traverse City, MI market, with the plurality of this provider's patient population coming from Grand Traverse, MI. This provider's primary affiliated billing organization is Grand Traverse Womens Clinic Pllc (NPI: 1336194166; TIN: ).

O'Hagan's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 81 traditional Medicare patients, billed 305 HCPCS/CPT codes, and received $12,634 in Medicare payments. Part D data shows 136 prescription claims across 56 beneficiaries totaling $17,498 in drug costs. No Open Payments records.

Download physician data Market Trend charts Top 5 tables

Download physician data with all billing codes (2014-2023) - $9 per 100 physicians.

10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

Year	Patients	Services	Medicare Payment
2014	24	68	$4,055
2015	45	86	$6,439
2016	33	70	$4,982
2017	31	54	$6,580
2018	45	90	$6,823
2019	60	420	$8,184
2020	51	104	$7,678
2021	51	96	$9,372
2022	77	122	$10,090
2023	81	305	$12,634

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

Year	Patients	Claims	Drug Cost
2014	Not reported for this year	15	$890
2015	14	22	$1,956
2016	20	42	$3,707
2017	28	69	$10,776
2018	44	125	$17,801
2019	52	167	$22,281
2020	40	124	$16,526
2021	58	168	$18,518
2022	62	152	$16,187
2023	56	136	$17,498

10-Year Trend of DME records

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

No connected records

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

No connected DME records for 2023.

Physician Data Export

Download physician data with all billing codes (2014-2023)

Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

$9 per 100 physicians

Download physician data