Dr. Patrick Nef, M.D

NPI: 1194901330
Total Payments
$2,130
2024 Payments
$247.20
Companies
19
Transactions
61
Medicare Patients
2,722
Medicare Billing
$912,694

Payment Breakdown by Category

Food & Beverage$2,127 (99.8%)
Education$3.26 (0.2%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $2,127 60 99.8%
Education $3.26 1 0.2%

Top Paying Companies

Company Total Records Latest Year
Horizon Therapeutics plc $278.17 7 $0 (2023)
Mallinckrodt Enterprises LLC $244.50 2 $0 (2019)
GlaxoSmithKline, LLC. $242.05 14 $0 (2023)
Fresenius USA Marketing, Inc. $225.00 4 $0 (2020)
AstraZeneca Pharmaceuticals LP $223.90 3 $0 (2020)
Amgen Inc. $189.14 10 $0 (2024)
Otsuka America Pharmaceutical, Inc. $139.52 3 $0 (2019)
Keryx Biopharmaceuticals, Inc. $136.34 2 $0 (2018)
OPKO Pharmaceuticals, LLC $105.45 3 $0 (2022)
AbbVie, Inc. $93.47 1 $0 (2018)

Payment History by Year

Year Amount Transactions Top Company
2024 $247.20 12 Amgen Inc. ($173.08)
2023 $103.04 4 Horizon Therapeutics plc ($80.82)
2022 $232.67 11 GlaxoSmithKline, LLC. ($77.08)
2021 $153.16 9 GlaxoSmithKline, LLC. ($123.18)
2020 $208.19 3 AstraZeneca Pharmaceuticals LP ($95.86)
2019 $667.08 12 Mallinckrodt Enterprises LLC ($244.50)
2018 $518.54 10 Keryx Biopharmaceuticals, Inc. ($136.34)

All Payment Transactions

61 individual payment records from CMS Open Payments — Page 1 of 3

Date Company Product Nature Form Amount Type
09/05/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $17.98 General
Category: Inflammation/Rare Disease
08/29/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $20.38 General
Category: Inflammation/Rare Disease
08/19/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $22.96 General
Category: Inflammation/Rare Disease
08/14/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $24.39 General
Category: Inflammation/Rare Disease
08/02/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $2.79 General
Category: Inflammation/Rare Disease
07/16/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $25.56 General
Category: Inflammation/Rare Disease
06/11/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $19.08 General
Category: Inflammation/Rare Disease
05/28/2024 Novartis Pharmaceuticals Corporation Food and Beverage In-kind items and services $20.25 General
05/21/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $19.97 General
Category: Inflammation/Rare Disease
05/06/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $19.97 General
Category: Inflammation/Rare Disease
04/12/2024 Aurinia Pharma U.S., Inc. LUPKYNIS (Drug) Food and Beverage In-kind items and services $24.39 General
Category: LUPUS NEPHRITIS
03/26/2024 Boehringer Ingelheim Pharmaceuticals, Inc. JARDIANCE (Drug) Food and Beverage In-kind items and services $29.48 General
Category: DIABETES
11/14/2023 Horizon Therapeutics plc KRYSTEXXA (Biological) Food and Beverage In-kind items and services $24.64 General
Category: KRYSTEXXA
09/29/2023 Horizon Therapeutics plc KRYSTEXXA (Biological) Food and Beverage In-kind items and services $29.35 General
Category: KRYSTEXXA
08/31/2023 Horizon Therapeutics plc KRYSTEXXA (Biological) Food and Beverage In-kind items and services $26.83 General
Category: KRYSTEXXA
08/02/2023 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $22.22 General
Category: IMMUNOLOGY
08/22/2022 Horizon Therapeutics plc KRYSTEXXA (Biological) Food and Beverage In-kind items and services $26.94 General
Category: KRYSTEXXA
07/26/2022 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $14.05 General
Category: IMMUNOLOGY
05/31/2022 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $30.98 General
Category: IMMUNOLOGY
04/27/2022 Bayer HealthCare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $17.79 General
Category: Cardio-renal
04/21/2022 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $17.42 General
Category: IMMUNOLOGY
02/22/2022 OPKO Pharmaceuticals, LLC RAYALDEE (Drug) Food and Beverage In-kind items and services $25.18 General
Category: NEPHROLOGY
02/17/2022 Bayer HealthCare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $19.86 General
Category: Cardio-renal
02/10/2022 Horizon Therapeutics plc KRYSTEXXA (Biological) Food and Beverage In-kind items and services $27.75 General
Category: KRYSTEXXA
01/26/2022 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $14.63 General
Category: IMMUNOLOGY

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 7 454 1,451 $449,297 $144,021
2022 8 565 1,999 $699,377 $207,167
2021 9 755 2,409 $832,688 $263,692
2020 10 948 3,122 $954,959 $297,814
Total Patients
2,722
Total Services
8,981
Medicare Billing
$912,694
Procedure Codes
34

All Medicare Procedures & Services

34 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes Facility 2023 153 714 $184,362 $66,091 35.8%
90960 Dialysis services, 4 or more physician visits per month (20 years or older) Office 2023 11 77 $69,789 $21,726 31.1%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 81 296 $53,191 $18,281 34.4%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 92 195 $63,960 $18,272 28.6%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 69 77 $41,703 $10,188 24.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 29 68 $31,142 $8,047 25.8%
99497 Advance care planning, first 30 minutes Facility 2023 19 24 $5,150 $1,415 27.5%
99233 Follow-up hospital inpatient care per day, typically 35 minutes Facility 2022 193 970 $250,464 $76,343 30.5%
90960 Dialysis services, 4 or more physician visits per month (20 years or older) Office 2022 40 216 $195,772 $60,248 30.8%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 100 387 $69,544 $21,081 30.3%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 94 127 $67,679 $19,199 28.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 41 120 $54,956 $14,357 26.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 63 128 $41,984 $10,260 24.4%
90961 Dialysis services, 2-3 physician visits per month (20 years or older) Office 2022 11 15 $11,253 $3,543 31.5%
99497 Advance care planning, first 30 minutes Facility 2022 23 36 $7,725 $2,137 27.7%
90960 Dialysis services (4 or more physician visits per month), patient 20 years of age and older Office 2021 45 310 $264,649 $88,608 33.5%
99233 Subsequent hospital inpatient care, typically 35 minutes per day Facility 2021 221 996 $259,758 $80,279 30.9%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2021 183 603 $109,750 $34,344 31.3%
99223 Initial hospital inpatient care, typically 70 minutes per day Facility 2021 140 163 $82,665 $24,814 30.0%
99215 Established patient outpatient visit, total time 40-54 minutes Office 2021 38 124 $52,785 $16,694 31.6%
99214 Established patient outpatient visit, total time 30-39 minutes Office 2021 72 148 $46,042 $14,099 30.6%
99497 Advance care planning by the physician or other qualified health care professional, first 30 minutes Facility 2021 27 35 $7,519 $2,190 29.1%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2021 15 15 $5,222 $1,505 28.8%
99443 Physician telephone patient service, 21-30 minutes of medical discussion Office 2021 14 15 $4,300 $1,160 27.0%
99233 Subsequent hospital inpatient care, typically 35 minutes per day Facility 2020 254 997 $264,704 $83,165 31.4%

About Dr. Patrick Nef, M.D

Dr. Patrick Nef, M.D is a Nephrology healthcare provider based in Fort Worth, Texas. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 01/17/2008. The National Provider Identifier (NPI) number assigned to this provider is 1194901330.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Patrick Nef, M.D has received a total of $2,130 in payments from pharmaceutical and medical device companies, with $247.20 received in 2024. These payments were reported across 61 transactions from 19 companies. The most common payment nature is "Food and Beverage" ($2,127).

As a Medicare-enrolled provider, Nef has provided services to 2,722 Medicare beneficiaries, totaling 8,981 services with total Medicare billing of $912,694. Data is available for 4 years (2020–2023), covering 34 distinct procedure/service records.

Practice Information

  • Specialty Nephrology
  • Location Fort Worth, TX
  • Active Since 01/17/2008
  • Last Updated 10/28/2025
  • Taxonomy Code 207RN0300X
  • Entity Type Individual
  • NPI Number 1194901330

Products in Payments

  • KRYSTEXXA (Biological) $451.25
  • ACTHAR (Biological) $244.50
  • BENLYSTA (Biological) $242.05
  • Velphoro (Drug) $225.00
  • Auryxia (Drug) $136.34
  • JYNARQUE (Drug) $136.26
  • LOKELMA (Drug) $128.04
  • Mavyret (Drug) $93.47
  • Rayaldee (Drug) $80.27
  • LUPKYNIS (Drug) $54.37
  • Kerendia (Drug) $52.92
  • JARDIANCE (Drug) $29.48
  • GATTEX (Drug) $25.24
  • RAYALDEE (Drug) $25.18
  • General - Vascular Access (Device) $22.80
  • (815) Thiola (Drug) $18.01
  • Parsabiv (Biological) $16.06
  • INJECTAFER (Drug) $15.91
  • Cook Medical Accessories (Device) $13.36
  • SAMSCA (Drug) $3.26

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Nephrology Doctors in Fort Worth