Physician

Aaron Parrish, MD

According to 2025 Medicare claims, Aaron Parrish, MD (NPI: 1366799868) practices colorectal surgery (formerly proctology) in the San Jose-Sunnyvale-Santa Clara, CA market, with the plurality of this provider's patient population coming from Santa Clara, CA. This provider's primary affiliated billing organization is AARON B PARRISH MD INC (NPI: 1306589106; TIN: 881472969) and primary practice location at 95124-3911.

Parrish's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 310 traditional Medicare patients, billed 692 HCPCS/CPT codes, and received $116,179 in Medicare payments. The top billing code was 45385 (Removal of polyps or growths of large bowel using an endoscope with mechanical snare). Part D data shows 179 prescription claims across 112 beneficiaries totaling $11,987 in drug costs, led by Sutab (Sod Sulf/Pot Chloride/Mag Sulf). Open Payments data shows 13 records totaling $1,901. 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 $107 to $11,987. 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	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	50	99	$18,049
2020	271	675	$92,937
2021	309	726	$109,085
2022	372	952	$142,939
2023	368	858	$143,278
2024	310	692	$116,179

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	12	$107
2016	N/R	17	$185
2017	27	32	$498
2018	20	30	$265
2019	31	51	$453
2020	75	100	$9,179
2021	55	109	$13,008
2022	88	167	$15,195
2023	127	215	$19,907
2024	112	179	$11,987

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
45385	Removal of polyps or growths of large bowel using an endoscope with mechanical snare	84	84	$207
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$144
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	74	95	$114
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	110	110	$95
45380	Biopsy of large bowel using a flexible endoscope	83	83	$79

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Sutab	Sod Sulf/Pot Chloride/Mag Sulf	46	89	$7,430
Sod Sulf-Potass Sulf-Mag Sulf	Sodium, Potassium,mag Sulfates	28	45	$1,833
Neomycin Sulfate	Neomycin Sulfate	14	19	$70
Metronidazole	Metronidazole	17	36	$34

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.	13	$1,901	Ethicon Inc.
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 Aaron Parrish, MD?

Tedicare shows public-source Medicare data for Aaron Parrish, MD (NPI 1366799868), 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 Aaron Parrish, 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 Aaron Parrish, MD?

Aaron Parrish, MD is linked to AARON B PARRISH MD INC (billing NPI 1306589106) in the available physician profile data.

Does Aaron Parrish, MD have Open Payments data?

Aaron Parrish, MD has 13 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.