Dr. John Clark, M.D

NPI: 1578631784
Total Payments
$8,034
2024 Payments
$921.72
Companies
37
Transactions
303
Medicare Patients
4,595
Medicare Billing
$1.2M

Payment Breakdown by Category

Food & Beverage$6,075 (75.6%)
Travel$1,811 (22.5%)
Other$125.00 (1.6%)
Education$23.16 (0.3%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $6,075 287 75.6%
Travel and Lodging $1,811 8 22.5%
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $125.00 1 1.6%
Education $23.16 7 0.3%

Top Paying Companies

Company Total Records Latest Year
Medtronic, Inc. $1,632 22 $0 (2023)
Bard Peripheral Vascular, Inc. $1,376 20 $0 (2022)
Bayer Healthcare Pharmaceuticals Inc. $475.33 19 $0 (2024)
Amgen Inc. $468.53 22 $0 (2023)
OPKO Pharmaceuticals, LLC $426.48 26 $0 (2024)
Otsuka America Pharmaceutical, Inc. $392.28 22 $0 (2024)
AstraZeneca Pharmaceuticals LP $383.21 24 $0 (2024)
Relypsa, Inc. $299.52 23 $0 (2020)
Vifor Pharma, Inc. $288.06 15 $0 (2024)
Avenu Medical Inc. $255.85 2 $0 (2020)

Payment History by Year

Year Amount Transactions Top Company
2024 $921.72 42 Vifor Pharma, Inc. ($104.95)
2023 $636.42 32 Bayer Healthcare Pharmaceuticals Inc. ($104.26)
2022 $2,565 64 Medtronic, Inc. ($1,565)
2021 $533.36 35 Vifor Pharma, Inc. ($88.20)
2020 $1,372 30 Bard Peripheral Vascular, Inc. ($861.42)
2019 $854.03 31 BARD PERIPHERAL VASCULAR, INC. ($406.03)
2018 $659.27 41 Relypsa, Inc. ($93.70)
2017 $492.46 28 Amgen Inc. ($166.62)

All Payment Transactions

303 individual payment records from CMS Open Payments — Page 1 of 13

Date Company Product Nature Form Amount Type
12/19/2024 Novartis Pharmaceuticals Corporation Fabhalta (Drug) Food and Beverage In-kind items and services $13.66 General
Category: Immunology
12/13/2024 OPKO Pharmaceuticals, LLC RAYALDEE (Drug) Food and Beverage In-kind items and services $17.94 General
Category: NEPHROLOGY
12/12/2024 Novartis Pharmaceuticals Corporation Fabhalta (Drug) Food and Beverage In-kind items and services $33.96 General
Category: Immunology
12/11/2024 CALLIDITAS THERAPEUTICS US INC. TARPEYO (Drug) Food and Beverage In-kind items and services $15.28 General
Category: Nephrology
12/02/2024 Vifor Pharma, Inc. Veltassa (Drug) Food and Beverage In-kind items and services $29.78 General
Category: Hyperkalemia
11/13/2024 ANI Pharmaceuticals, Inc. PURIFIED CORTROPHIN GEL (Drug) Food and Beverage In-kind items and services $31.52 General
Category: Treatment of certain chronic autoimmune disorders including acute exacerbations of MS and RA
11/12/2024 Otsuka America Pharmaceutical, Inc. JYNARQUE (Drug) Food and Beverage In-kind items and services $15.76 General
Category: NEPHROLOGY
11/08/2024 CALLIDITAS THERAPEUTICS US INC. TARPEYO (Drug) Food and Beverage In-kind items and services $18.90 General
Category: Nephrology
10/30/2024 CorMedix Inc. DefenCath (Drug) Food and Beverage In-kind items and services $38.51 General
Category: Catheter Lock Solution
10/25/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $17.46 General
Category: Cardio-renal
10/09/2024 Otsuka America Pharmaceutical, Inc. JYNARQUE (Drug) Food and Beverage In-kind items and services $24.04 General
Category: NEPHROLOGY
10/07/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $24.41 General
09/23/2024 Boehringer Ingelheim Pharmaceuticals, Inc. JARDIANCE (Drug) Food and Beverage In-kind items and services $28.58 General
Category: DIABETES
09/19/2024 OPKO Pharmaceuticals, LLC RAYALDEE (Drug) Food and Beverage In-kind items and services $15.63 General
Category: NEPHROLOGY
09/16/2024 AKEBIA THERAPEUTICS INC Auryxia (Drug), Vafseo Food and Beverage In-kind items and services $25.01 General
Category: Nephrology
08/23/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $19.40 General
Category: Cardio-renal
08/14/2024 OPKO Pharmaceuticals, LLC RAYALDEE (Drug) Food and Beverage In-kind items and services $20.04 General
Category: NEPHROLOGY
08/02/2024 Boehringer Ingelheim Pharmaceuticals, Inc. JARDIANCE (Drug) Food and Beverage In-kind items and services $21.68 General
Category: DIABETES
07/31/2024 Vifor Pharma, Inc. Veltassa (Drug) Food and Beverage In-kind items and services $27.60 General
Category: Hyperkalemia
07/30/2024 Acera Surgical, Inc. Restrata Wound Matrix (Device) Food and Beverage In-kind items and services $16.81 General
Category: Wound Care
07/17/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $18.32 General
Category: Cardio-renal
07/12/2024 AKEBIA THERAPEUTICS INC Auryxia (Drug), Vafseo Food and Beverage In-kind items and services $28.77 General
Category: Nephrology
07/09/2024 Vifor Pharma, Inc. Veltassa (Drug) Food and Beverage In-kind items and services $22.34 General
Category: Hyperkalemia
06/26/2024 AstraZeneca Pharmaceuticals LP Food and Beverage In-kind items and services $13.20 General
06/24/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $24.41 General

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 22 913 1,776 $584,680 $204,554
2022 23 975 1,896 $600,479 $216,767
2021 29 1,229 5,155 $1.0M $313,601
2020 31 1,478 8,592 $1.5M $434,728
Total Patients
4,595
Total Services
17,419
Medicare Billing
$1.2M
Procedure Codes
105

All Medicare Procedures & Services

105 procedure records from CMS Medicare Utilization — Page 1 of 5

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist Office 2023 36 45 $148,297 $38,368 25.9%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 185 628 $59,032 $36,771 62.3%
90966 Home dialysis services per month (20 years or older) Office 2023 23 118 $53,100 $25,514 48.0%
90960 Dialysis services, 4 or more physician visits per month (20 years or older) Office 2023 12 57 $25,650 $15,013 58.5%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 198 251 $25,593 $13,343 52.1%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 86 89 $23,140 $11,393 49.2%
90935 Hemodialysis procedure with physician evaluation Facility 2023 52 175 $32,373 $9,178 28.4%
36901 Insertion of needle and/or tube into hemodialysis circuit with review by radiologist Office 2023 14 16 $30,864 $7,940 25.7%
36581 Replacement of tunneled central venous tube Office 2023 16 17 $36,275 $7,889 21.7%
36215 Insertion of tube into chest or arm artery, each first order branch Office 2023 16 18 $50,760 $6,633 13.1%
36907 Balloon dilation of dialysis segment with review by radiologist Office 2023 13 15 $24,255 $6,337 26.1%
90961 Dialysis services, 2-3 physician visits per month (20 years or older) Office 2023 11 22 $9,900 $4,812 48.6%
90945 Dialysis procedure including 1 evaluation Facility 2023 19 67 $12,395 $4,254 34.3%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 29 29 $6,525 $4,249 65.1%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 33 34 $6,868 $3,314 48.3%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 36 47 $5,875 $2,746 46.7%
77001 Fluoroscopic guidance for insertion or removal of central vein access device Office 2023 24 27 $7,410 $1,826 24.6%
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes Office 2023 31 40 $5,440 $1,402 25.8%
36589 Removal of tunneled central venous tube Office 2023 14 14 $6,508 $1,212 18.6%
93986 Complete ultrasound of artery and vein blood flow pre-op assessment on side of body for hemodialysis access Office 2023 13 13 $5,208 $1,188 22.8%
75710 Review by radiologist of arm or leg artery image Office 2023 18 20 $8,940 $1,098 12.3%
81003 Automated urinalysis test Office 2023 34 34 $272.00 $74.80 27.5%
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist Office 2022 43 47 $160,035 $41,010 25.6%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 213 697 $65,518 $37,621 57.4%
90966 Home dialysis services per month (20 years or older) Office 2022 19 117 $52,650 $24,506 46.5%

About Dr. John Clark, M.D

Dr. John Clark, M.D is a Internal Medicine healthcare provider based in Huntsville, Alabama. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 12/04/2006. The National Provider Identifier (NPI) number assigned to this provider is 1578631784.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. John Clark, M.D has received a total of $8,034 in payments from pharmaceutical and medical device companies, with $921.72 received in 2024. These payments were reported across 303 transactions from 37 companies. The most common payment nature is "Food and Beverage" ($6,075).

As a Medicare-enrolled provider, Clark has provided services to 4,595 Medicare beneficiaries, totaling 17,419 services with total Medicare billing of $1.2M. Data is available for 4 years (2020–2023), covering 105 distinct procedure/service records.

Practice Information

  • Specialty Internal Medicine
  • Location Huntsville, AL
  • Active Since 12/04/2006
  • Last Updated 03/21/2012
  • Taxonomy Code 207R00000X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1578631784

Products in Payments

  • VENASEAL (Device) $1,506
  • Veltassa (Drug) $587.58
  • Kerendia (Drug) $475.33
  • LOKELMA (Drug) $295.91
  • Ellipsys (Device) $291.78
  • WavelinQ (Device) $286.32
  • RAYALDEE (Drug) $283.62
  • JYNARQUE (Drug) $232.90
  • Parsabiv (Drug) $215.49
  • Velphoro (Drug) $193.01
  • Parsabiv (Biological) $173.94
  • TARPEYO (Drug) $162.44
  • SAMSCA (Drug) $159.38
  • JARDIANCE (Drug) $151.86
  • Rayaldee (Drug) $142.86
  • NATPARA (PARATHYROID HORMONE) (Drug) $141.71
  • Auryxia (Drug) $138.53
  • Rituxan (Biological) $104.70
  • BENLYSTA (Biological) $99.35
  • LUPKYNIS (Drug) $91.48

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.

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