Physician

Felix Karp, M.D.

According to 2025 Medicare claims, Felix Karp, M.D. (NPI: 1225309164) practices internal medicine in the Chico, CA market, with the plurality of this provider's patient population coming from Butte, CA. This provider's primary affiliated billing organization is NORCAL WOUND CARE, INC (NPI: 1679361737) and primary practice location at 95969-6168.

Karp's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 229 traditional Medicare patients, billed 656 HCPCS/CPT codes, and received $50,406 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 320 prescription claims across 177 beneficiaries totaling $12,294 in drug costs, led by Doxycycline Hyclate (Doxycycline Hyclate). DME data shows 156 claims. No Open Payments records. 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 up and down with repeated peaks and valleys, starting at $44,653 and ending at $50,406. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $9,880 and ending at $12,294. For DME billing, reported payments moved from a lower plateau to a higher plateau, from $1,149 to $18,784.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	185	596	$44,653
2016	240	728	$56,231
2017	379	1,068	$86,554
2018	587	1,466	$117,969
2019	536	1,474	$118,611
2020	429	1,073	$93,803
2021	482	1,409	$118,470
2022	343	908	$73,436
2023	406	906	$67,320
2024	229	656	$50,406

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	81	191	$9,880
2016	65	129	$4,276
2017	152	299	$11,811
2018	229	415	$15,814
2019	196	362	$17,194
2020	170	302	$17,959
2021	184	346	$14,248
2022	176	306	$16,530
2023	217	342	$20,177
2024	177	320	$12,294

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	36	$1,401
2017	N/R	N/R	N/R
2018	N/R	56	$16,249
2019	17	89	$13,946
2020	N/R	111	$12,764
2021	36	158	$16,238
2022	12	222	$19,307
2023	27	218	$11,636
2024	N/R	156	$18,498

* / # = 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
99222	Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	66	67	$101
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	45	75	$92
99239	Hospital discharge day management, more than 30 minutes	68	70	$90
99238	Hospital discharge day management, 30 minutes or less	123	126	$64
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	123	233	$61

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Doxycycline Hyclate	Doxycycline Hyclate	58	368	$234
Pantoprazole Sodium	Pantoprazole Sodium	12	405	$120
Prednisone	Prednisone	20	246	$43
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	13	62	$42
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	12	62	$21

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
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	15	$13,019
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	62	$3,811
E1392	Portable oxygen concentrator, rental	Y	N/R	23	$786
E0260	Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress	Y	N/R	13	$417
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	32	$406

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Felix Karp, M.D.?

Tedicare shows public-source Medicare data for Felix Karp, M.D. (NPI 1225309164), 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 Felix Karp, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Felix Karp, M.D.?

Felix Karp, M.D. is linked to NORCAL WOUND CARE, INC (billing NPI 1679361737) in the available physician profile data.

Does Felix Karp, M.D. have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.