Physician

David John Massop, MD

According to 2025 Medicare claims, David Massop, MD (NPI: 1003267956) practices ophthalmology in the Des Moines-West Des Moines, IA market, with the plurality of this provider's patient population coming from Polk, IA. This provider's primary affiliated billing organization is WOLFE CLINIC INC (NPI: 1477532174; TIN: 420954581) and primary practice location at 50266-7755.

Massop's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,303 traditional Medicare patients, billed 141,780 HCPCS/CPT codes, and received $4,935,895 in Medicare payments. The top billing code was 67028 (Injection of drug into eye). Part D data shows 615 prescription claims across 213 beneficiaries totaling $24,519 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). Open Payments data shows 17 records totaling $50,825. 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 moved sharply higher in recent years, from $12,730 to $4,935,895. Similarly, Part D prescription costs have moved sharply higher in recent years, from $1,533 to $24,519. 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	N/R	N/R	N/R
2020	51	73	$12,730
2021	239	653	$134,752
2022	658	11,825	$1,070,991
2023	1,116	95,535	$3,907,529
2024	1,303	141,780	$4,935,895

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	N/R	N/R
2016	12	17	$1,533
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	15	$1,992
2020	N/R	N/R	N/R
2021	N/R	17	$691
2022	49	109	$4,494
2023	179	520	$22,200
2024	213	615	$24,519

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
67028	Injection of drug into eye	651	2,634	$89
92014	Established patient complete exam of visual system	222	224	$87
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	587	733	$61
92134	Imaging of retina	1,147	3,318	$29
J2777	Injection, faricimab-svoa, 0.1 mg	422	130,205	$27

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Prednisolone Acetate	Prednisolone Acetate	254	10,862	$12,696
Moxifloxacin	Moxifloxacin Hcl	127	1,993	$2,684
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	86	6,729	$1,216
Brimonidine Tartrate	Brimonidine Tartrate	26	1,450	$770
Latanoprost	Latanoprost	37	2,049	$458

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.	11	$740	Dutch Ophthalmic, USA
Research Payments	Reported research-related payment or transfer-of-value amount.	6	$50,086	Genentech, Inc.
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

Explore More Providers

FAQ

What Medicare data is available for David John Massop, MD?

Tedicare shows public-source Medicare data for David John Massop, MD (NPI 1003267956), 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 David John Massop, 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 David John Massop, MD?

David John Massop, MD is linked to WOLFE CLINIC INC (billing NPI 1477532174) in the available physician profile data.

Does David John Massop, MD have Open Payments data?

David John Massop, MD has 17 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.