Physician

Daniel Lee Master, M.D.

According to 2025 Medicare claims, Daniel Master, M.D. (NPI: 1770798795) practices orthopedic surgery in the Boulder, CO market, with the plurality of this provider's patient population coming from Boulder, CO. This provider's primary affiliated billing organization is BOULDERCENTRE FOR ORTHOPEDICS PC (NPI: 1336197631; TIN: 840614901) and primary practice location at 80301-3080. Master is affiliated with the Boulder Valley Care Network, LLC (ACO ID: A3617), participating under the MSSP model.

Master's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,786 traditional Medicare patients, billed 4,397 HCPCS/CPT codes, and received $343,583 in Medicare payments. The top billing code was 73721 (Mri scan of leg joint without contrast). 2021 Part D data shows 18 prescription claims across 15 beneficiaries totaling $252 in drug costs. DME data shows 11 claims. Open Payments data shows 3 records totaling $97. 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 risen steadily, from $105,128 to $343,583. In contrast, Part D prescription costs have fallen sharply in recent years, from $5,485 to $252. For DME billing, this smaller-volume category changed little.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	288	1,747	$105,128
2016	358	1,774	$108,524
2017	795	3,597	$234,961
2018	1,007	3,960	$295,392
2019	1,083	3,492	$268,008
2020	1,082	4,806	$304,545
2021	1,201	5,291	$331,479
2022	1,354	5,465	$399,485
2023	1,668	5,356	$397,077
2024	1,786	4,397	$343,583

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	85	131	$5,485
2016	49	71	$2,384
2017	48	67	$1,741
2018	71	120	$1,991
2019	45	64	$10,576
2020	33	45	$666
2021	15	18	$252
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	11	22	$2,538
2019	54	54	$5,906
2020	77	79	$8,561
2021	76	77	$11,641
2022	93	94	$12,471
2023	36	36	$4,845
2024	11	11	$867

* / # = 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
73721	Mri scan of leg joint without contrast	354	390	$110
73221	Mri scan of arm joint without contrast	307	330	$109
72148	Mri scan of lower spinal canal without contrast	257	261	$99
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	300	485	$97
73700	Ct scan of leg without contrast	523	568	$63

Top 5 Part D drugs in 2024

By total drug costs.

No connected Part D drug-level records for 2024.

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
L3670	Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf	N	11	11	$867

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$97	DePuy Synthes Sales 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 Daniel Lee Master, M.D.?

Tedicare shows public-source Medicare data for Daniel Lee Master, M.D. (NPI 1770798795), 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 Daniel Lee Master, M.D. have ACO affiliation data?

Daniel Lee Master, M.D. is shown with ACO affiliation data for Boulder Valley Care Network, LLC (MSSP, ACO ID A3617).

What billing organization is linked to Daniel Lee Master, M.D.?

Daniel Lee Master, M.D. is linked to BOULDERCENTRE FOR ORTHOPEDICS PC (billing NPI 1336197631) in the available physician profile data.

Does Daniel Lee Master, M.D. have Open Payments data?

Daniel Lee Master, M.D. has 3 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.