Physician

Aileen P Oandasan, MD

Psychiatry Johnstown, PA Nulton Diagnostic Andtreatment Center, PC

According to 2025 Medicare claims, Aileen P. Oandasan, MD (NPI: 1376601815) practices psychiatry in the Johnstown, PA market, with the plurality of this provider's patient population coming from Cambria, PA. This provider's primary affiliated billing organization is Nulton Diagnostic Andtreatment Center, PC (NPI: 1073573010; TIN: ).

Oandasan's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 100 traditional Medicare patients, billed 400 HCPCS/CPT codes, and received $30,763 in Medicare payments. Part D data shows 2,399 prescription claims across 241 beneficiaries totaling $316,584 in drug costs. Open Payments data shows 59 records totaling $1,084.

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	187	527	$28,004
2015	234	570	$31,474
2016	36	65	$2,804
2017	16	27	$1,096
2018	129	385	$24,282
2019	177	804	$54,364
2020	198	775	$54,445
2021	161	615	$45,539
2022	134	532	$33,594
2023	100	400	$30,763

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	34	291	$21,108
2015	133	917	$67,651
2016	50	383	$36,846
2017	18	306	$39,057
2018	201	1,382	$98,945
2019	247	1,894	$207,413
2020	272	2,089	$224,891
2021	231	1,853	$213,079
2022	260	2,239	$306,328
2023	241	2,399	$316,584

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