Physician

Brian D Parker, M.D.

According to 2025 Medicare claims, Brian Parker, M.D. (NPI: 1871593814) practices urology in the Knoxville, TN market, with the plurality of this provider's patient population coming from Knox, TN. This provider's primary affiliated billing organization is TENNESSEE UROLOGY ASSOCIATES, PLLC (NPI: 1669416442; TIN: 621680684) and primary practice location at 37849-3563.

Parker's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 882 traditional Medicare patients, billed 22,712 HCPCS/CPT codes, and received $378,053 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 3,055 prescription claims across 837 beneficiaries totaling $1,012,454 in drug costs, led by Xtandi (Enzalutamide). DME data shows 42 claims. Open Payments data shows 66 records totaling $1,367. 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 declined steadily, from $473,055 to $378,053. In contrast, Part D prescription costs have moved from a lower plateau to a higher plateau, from $224,484 to $1,012,454. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $1,231 to $0.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	687	24,197	$473,055
2016	735	28,011	$402,134
2017	760	21,518	$402,299
2018	831	31,821	$446,386
2019	849	25,845	$354,872
2020	832	28,873	$277,701
2021	950	25,010	$335,941
2022	840	15,038	$298,855
2023	799	16,027	$250,488
2024	882	22,712	$378,053

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	517	2,153	$224,484
2016	579	2,343	$240,170
2017	605	2,486	$417,958
2018	638	2,586	$619,873
2019	660	2,633	$889,734
2020	674	2,627	$1,283,818
2021	771	2,842	$858,770
2022	781	2,789	$1,059,151
2023	765	2,775	$852,476
2024	837	3,055	$1,012,454

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	82	$9,058
2016	N/R	95	$25,053
2017	N/R	92	$21,860
2018	N/R	77	$21,473
2019	N/R	63	$20,232
2020	N/R	77	$24,776
2021	N/R	106	$33,864
2022	N/R	81	$32,317
2023	N/R	54	$26,433
2024	N/R	42	$20,393

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	424	590	$85
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	584	860	$11
36415	Insertion of needle into vein for collection of blood sample	278	365	$9
51798	Ultrasound measurement of bladder capacity after voiding	234	292	$7
81003	Automated urinalysis test	553	760	$2

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Xtandi	Enzalutamide	33	990	$472,923
Gemtesa	Vibegron	238	12,618	$195,191
Myrbetriq	Mirabegron	172	9,545	$141,249
Orgovyx	Relugolix	15	450	$38,159
Solifenacin Succinate	Solifenacin Succinate	257	15,281	$14,982

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
A4352	Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each	N	N/R	13	$15,420
A4351	Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each	N	N/R	29	$4,974

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	66	$1,367	Boston Scientific Corporation
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 Brian D. Parker, M.D.?

Tedicare shows public-source Medicare data for Brian D. Parker, M.D. (NPI 1871593814), 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 Brian D. Parker, M.D. have ACO affiliation data?

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

What billing organization is linked to Brian D. Parker, M.D.?

Brian D. Parker, M.D. is linked to TENNESSEE UROLOGY ASSOCIATES, PLLC (billing NPI 1669416442) in the available physician profile data.

Does Brian D. Parker, M.D. have Open Payments data?

Brian D. Parker, M.D. has 66 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.