Physician

Mark Leo Johnson, M.D.

According to 2025 Medicare claims, Mark Johnson, M.D. (NPI: 1649353855) practices general surgery in the Morgantown, WV market, with the plurality of this provider's patient population coming from Monongalia, WV. This provider's primary affiliated billing organization is MONONGALIA COUNTY GENERAL HOSPITAL COMPANY (NPI: 1447673223; TIN: 237441353) and primary practice location at 26505-3494. Johnson is affiliated with the Vandalia Health Network (ACO ID: A4513), participating under the MSSP model.

Johnson's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 293 traditional Medicare patients, billed 806 HCPCS/CPT codes, and received $90,975 in Medicare payments. The top billing code was 45380 (Biopsy of large bowel using a flexible endoscope). Part D data shows 213 prescription claims across 107 beneficiaries totaling $13,947 in drug costs, led by Pantoprazole Sodium (Pantoprazole Sodium). DME data shows 11 claims. Open Payments data shows 2 records totaling $46. 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 $198,548 to $90,975. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $19,987 and ending at $13,947. 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	474	1,461	$198,548
2016	459	1,266	$155,556
2017	397	977	$111,587
2018	384	1,062	$116,782
2019	403	1,084	$147,194
2020	316	855	$110,304
2021	308	778	$105,148
2022	307	847	$112,065
2023	294	843	$109,999
2024	293	806	$90,975

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	151	385	$19,987
2016	149	413	$37,820
2017	124	363	$29,684
2018	111	284	$21,652
2019	136	316	$46,806
2020	106	230	$17,038
2021	126	315	$24,568
2022	128	306	$24,348
2023	114	229	$36,771
2024	107	213	$13,947

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	110	$11,881
2016	N/R	175	$19,006
2017	N/R	206	$27,977
2018	N/R	143	$18,802
2019	N/R	136	$19,610
2020	N/R	169	$17,023
2021	N/R	67	$3,947
2022	N/R	26	$1,418
2023	N/R	31	$1,875
2024	N/R	11	$1,308

* / # = 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
45380	Biopsy of large bowel using a flexible endoscope	47	47	$111
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	48	$75
43239	Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	52	53	$53
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	74	96	$47
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	73	96	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Pantoprazole Sodium	Pantoprazole Sodium	26	1,500	$674
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	12	338	$471
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	68	260	$194

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
A4385	Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each	N	N/R	11	$1,308

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$46	Medtronic, 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 Mark Leo Johnson, M.D.?

Tedicare shows public-source Medicare data for Mark Leo Johnson, M.D. (NPI 1649353855), 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 Mark Leo Johnson, M.D. have ACO affiliation data?

Mark Leo Johnson, M.D. is shown with ACO affiliation data for Vandalia Health Network (MSSP, ACO ID A4513).

What billing organization is linked to Mark Leo Johnson, M.D.?

Mark Leo Johnson, M.D. is linked to MONONGALIA COUNTY GENERAL HOSPITAL COMPANY (billing NPI 1447673223) in the available physician profile data.

Does Mark Leo Johnson, M.D. have Open Payments data?

Mark Leo Johnson, M.D. has 2 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.