Physician

Karla D Witzke, D.O.

According to 2025 Medicare claims, Karla Witzke, D.O. (NPI: 1922202258) practices urology in the Midland, MI market, with the plurality of this provider's patient population coming from Midland, MI. This provider's primary affiliated billing organization is MYMICHIGAN MEDICAL CENTER MIDLAND (NPI: 1205889490; TIN: 380833014) and primary practice location at 48670-0001. Witzke is affiliated with the POM ACO (ACO ID: A1297), McLaren High Performance Network, LLC (ACO ID: A3317), and Mosaic ACO (ACO ID: A5033), participating under the MSSP model.

Witzke's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 462 traditional Medicare patients, billed 1,242 HCPCS/CPT codes, and received $94,869 in Medicare payments. The top billing code was 52332 (Insertion of stent in ureter using an endoscope). Part D data shows 3,838 prescription claims across 996 beneficiaries totaling $376,042 in drug costs, led by Myrbetriq (Mirabegron). DME data shows 289 claims. Open Payments data shows 18 records totaling $7,970. 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 fallen sharply in recent years, from $252,351 to $94,869. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $1,810 and ending at $3,162.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	748	4,403	$252,351
2016	952	5,331	$320,373
2017	991	4,886	$271,419
2018	1,120	7,058	$306,667
2019	1,088	4,685	$266,280
2020	868	2,784	$184,706
2021	739	1,980	$169,379
2022	667	2,017	$156,508
2023	544	1,555	$114,477
2024	462	1,242	$94,869

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	735	3,481	$313,874
2016	920	5,131	$433,275
2017	1,094	6,155	$672,845
2018	1,155	6,165	$854,250
2019	1,197	6,042	$840,864
2020	1,220	5,672	$710,732
2021	1,219	5,163	$544,388
2022	1,081	4,581	$456,523
2023	1,134	4,596	$562,750
2024	996	3,838	$376,042

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	65	396	$60,856
2016	69	478	$76,357
2017	73	447	$70,419
2018	68	478	$66,604
2019	58	362	$64,426
2020	69	443	$71,860
2021	43	410	$57,723
2022	39	339	$61,733
2023	31	351	$68,239
2024	26	289	$66,844

* / # = 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
52332	Insertion of stent in ureter using an endoscope	45	58	$122
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	305	419	$67
52000	Diagnostic exam of bladder and urethra using an endoscope	75	94	$55
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	93	114	$47
81002	Urinalysis, manual test	30	32	$3

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Myrbetriq	Mirabegron	204	11,881	$170,840
Elmiron	Pentosan Polysulfate Sodium	33	1,665	$36,981
Mirabegron Er	Mirabegron	53	3,690	$33,743
Tamsulosin Hcl	Tamsulosin Hcl	1,247	91,327	$24,860
Gemtesa	Vibegron	15	1,230	$18,746

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
A4351	Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each	N	15	123	$33,248
A4352	Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each	N	N/R	52	$30,168
A4349	Male external catheter, with or without adhesive, disposable, each	N	N/R	17	$1,948
A4332	Lubricant, individual sterile packet, each	N	11	85	$1,045
A4357	Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each	N	N/R	12	$435

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	18	$7,970	Olympus America 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 Karla D. Witzke, D.O.?

Tedicare shows public-source Medicare data for Karla D. Witzke, D.O. (NPI 1922202258), 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 Karla D. Witzke, D.O. have ACO affiliation data?

Karla D. Witzke, D.O. is shown with ACO affiliation data for POM ACO (MSSP, ACO ID A1297), McLaren High Performance Network, LLC (MSSP, ACO ID A3317), and Mosaic ACO (MSSP, ACO ID A5033).

What billing organization is linked to Karla D. Witzke, D.O.?

Karla D. Witzke, D.O. is linked to MYMICHIGAN MEDICAL CENTER MIDLAND (billing NPI 1205889490) in the available physician profile data.

Does Karla D. Witzke, D.O. have Open Payments data?

Karla D. Witzke, D.O. has 18 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.