Physician

Mark A Knipfer, MD

According to 2025 Medicare claims, Mark Knipfer, MD (NPI: 1982650172) practices family practice in the Spartanburg, SC market, with the plurality of this provider's patient population coming from Spartanburg, SC. This provider's primary affiliated billing organization is FAMILY PHYSICIANS OF SPARTANBURG, PC (NPI: 1629228382; TIN: 26-2597357) and primary practice location at 29301-5643. Knipfer is affiliated with the Aledade 153 SC MSSP Enhanced (ACO ID: A5356), participating under the MSSP model.

Knipfer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 499 traditional Medicare patients, billed 19,419 HCPCS/CPT codes, and received $477,997 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 13,740 prescription claims across 666 beneficiaries totaling $2,704,618 in drug costs, led by Korlym (Mifepristone). DME data shows 205 claims. Open Payments data shows 85 records totaling $1,830. 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 changed little. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $752,748 to $2,704,618. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $20,416 to $29,098.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	541	14,748	$338,164
2016	566	15,957	$362,824
2017	609	19,704	$419,889
2018	427	18,234	$393,939
2019	441	19,363	$392,009
2020	455	18,673	$360,465
2021	455	15,488	$329,339
2022	462	17,918	$412,679
2023	457	17,791	$416,382
2024	499	19,419	$477,997

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	477	8,914	$752,748
2016	497	9,328	$828,607
2017	532	9,874	$850,403
2018	542	10,342	$935,351
2019	572	10,877	$1,047,373
2020	606	12,243	$1,265,582
2021	606	11,888	$1,256,219
2022	634	12,140	$1,505,346
2023	640	13,048	$1,998,965
2024	666	13,740	$2,704,618

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	70	355	$15,365
2016	72	401	$12,084
2017	66	346	$12,426
2018	70	346	$14,344
2019	30	211	$4,275
2020	54	217	$9,418
2021	66	192	$6,461
2022	66	294	$18,162
2023	14	285	$22,402
2024	29	205	$25,321

* / # = 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	429	1,029	$76
80061	Blood test, lipids (cholesterol and triglycerides)	429	772	$13
80053	Blood test, comprehensive group of blood chemicals	435	935	$10
36415	Insertion of needle into vein for collection of blood sample	450	1,301	$8
82550	Creatine kinase (cardiac enzyme) level, total	425	749	$6

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Korlym	Mifepristone	13	390	$561,323
Ozempic	Semaglutide	263	10,002	$319,200
Farxiga	Dapagliflozin Propanediol	201	10,817	$197,175
Eliquis	Apixaban	138	6,692	$122,867
Metformin Er Gastric	Metformin Hcl	13	1,110	$119,200

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	12	84	$22,654
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	N/R	14	$672
A4604	Tubing with integrated heating element for use with positive airway pressure device	N	N/R	18	$659
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	21	$577
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	17	35	$542

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	85	$1,830	AstraZeneca Pharmaceuticals LP
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 A. Knipfer, MD?

Tedicare shows public-source Medicare data for Mark A. Knipfer, MD (NPI 1982650172), 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 A. Knipfer, MD have ACO affiliation data?

Mark A. Knipfer, MD is shown with ACO affiliation data for Aledade 153 SC MSSP Enhanced (MSSP, ACO ID A5356).

What billing organization is linked to Mark A. Knipfer, MD?

Mark A. Knipfer, MD is linked to FAMILY PHYSICIANS OF SPARTANBURG, PC (billing NPI 1629228382) in the available physician profile data.

Does Mark A. Knipfer, MD have Open Payments data?

Mark A. Knipfer, MD has 85 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.