Dr. William Klein, MD

NPI: 1205834819
Total Payments
$15,417
2024 Payments
$2,071
Companies
63
Transactions
818
Medicare Patients
4,617
Medicare Billing
$608,946

Payment Breakdown by Category

Food & Beverage$15,336 (99.5%)
Education$80.86 (0.5%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $15,336 817 99.5%
Education $80.86 1 0.5%

Top Paying Companies

Company Total Records Latest Year
GlaxoSmithKline, LLC. $1,930 151 $0 (2024)
Boehringer Ingelheim Pharmaceuticals, Inc. $1,457 79 $0 (2024)
Grifols USA, LLC $1,374 72 $0 (2024)
Novartis Pharmaceuticals Corporation $1,323 63 $0 (2024)
ABBVIE INC. $901.64 49 $0 (2024)
AstraZeneca Pharmaceuticals LP $765.82 31 $0 (2024)
Amgen Inc. $681.07 34 $0 (2024)
GENZYME CORPORATION $622.49 25 $0 (2024)
Regeneron Healthcare Solutions, Inc. $592.25 21 $0 (2024)
PFIZER INC. $571.33 36 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $2,071 99 GlaxoSmithKline, LLC. ($277.88)
2023 $2,672 118 Regeneron Healthcare Solutions, Inc. ($346.57)
2022 $1,950 101 Grifols USA, LLC ($203.69)
2021 $2,168 119 AbbVie Inc. ($262.16)
2020 $1,470 89 Grifols USA, LLC ($268.39)
2019 $1,962 110 GlaxoSmithKline, LLC. ($318.96)
2018 $1,622 99 Boehringer Ingelheim Pharmaceuticals, Inc. ($320.04)
2017 $1,501 83 GlaxoSmithKline, LLC. ($239.74)

All Payment Transactions

818 individual payment records from CMS Open Payments — Page 1 of 33

Date Company Product Nature Form Amount Type
12/19/2024 Insmed, Inc. Arikayce (Drug) Food and Beverage In-kind items and services $19.07 General
Category: Respiratory
12/17/2024 Grifols USA, LLC Prolastin-C Liquid (Biological) Food and Beverage In-kind items and services $30.56 General
Category: Pulmonology
12/12/2024 GlaxoSmithKline, LLC. TRELEGY ELLIPTA (Drug) Food and Beverage In-kind items and services $3.21 General
Category: RESPIRATORY
12/09/2024 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $21.29 General
Category: Bone Health
12/05/2024 Octapharma USA, Inc. PANZYGA (Biological) Food and Beverage In-kind items and services $19.16 General
Category: IMMUNOLOGY
11/19/2024 Takeda Pharmaceuticals U.S.A., Inc. CUVITRU (Biological) Food and Beverage In-kind items and services $32.68 General
Category: IMMUNOLOGY
11/18/2024 PFIZER INC. PANZYGA (Biological) Food and Beverage In-kind items and services $19.01 General
Category: IMMUNOLOGY;INFLAMMATION
11/14/2024 ABBVIE INC. AVYCAZ (Drug), DALVANCE, TEFLARO Food and Beverage In-kind items and services $19.00 General
Category: ANTI-INFECTIVE
11/13/2024 GENZYME CORPORATION DUPIXENT (Biological) Food and Beverage In-kind items and services $28.37 General
Category: Immunology
11/08/2024 AstraZeneca Pharmaceuticals LP BREZTRI (Drug) Food and Beverage In-kind items and services $13.76 General
Category: Respiratory
11/07/2024 Vifor Pharma, Inc. Zemaira (Drug) Food and Beverage In-kind items and services $20.54 General
Category: Pulmonary/Respiratory Diseases
11/07/2024 GlaxoSmithKline, LLC. TRELEGY ELLIPTA (Drug) Food and Beverage In-kind items and services $19.60 General
Category: RESPIRATORY
11/05/2024 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $18.60 General
Category: Bone Health
10/29/2024 GlaxoSmithKline, LLC. NUCALA (Biological) Food and Beverage In-kind items and services $29.99 General
Category: IMMUNOLOGY
10/22/2024 Insmed, Inc. Arikayce (Drug) Food and Beverage In-kind items and services $23.46 General
Category: Respiratory
10/22/2024 Insmed, Inc. Arikayce (Drug) Food and Beverage In-kind items and services $22.76 General
Category: Respiratory
10/17/2024 ABBVIE INC. TEFLARO (Drug), DALVANCE, AVYCAZ Food and Beverage In-kind items and services $17.48 General
Category: ANTI-INFECTIVE
10/15/2024 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $19.05 General
Category: Bone Health
10/07/2024 Merck Sharp & Dohme LLC CAPVAXIVE (Biological) Food and Beverage In-kind items and services $16.02 General
Category: VACCINE
10/01/2024 Exact Sciences Corporation Cologuard Collection Kit (Device) Food and Beverage In-kind items and services $21.40 General
Category: Oncology
09/30/2024 Vifor Pharma, Inc. Zemaira (Drug) Food and Beverage In-kind items and services $17.50 General
Category: Pulmonary/Respiratory Diseases
09/26/2024 ABBVIE INC. AVYCAZ (Drug), DALVANCE, TEFLARO Food and Beverage In-kind items and services $18.21 General
Category: ANTI-INFECTIVE
09/24/2024 Insmed, Inc. Arikayce (Drug) Food and Beverage In-kind items and services $22.62 General
Category: Respiratory
09/19/2024 GENZYME CORPORATION DUPIXENT (Biological) Food and Beverage In-kind items and services $27.25 General
Category: Immunology
09/17/2024 Boehringer Ingelheim Pharmaceuticals, Inc. STIOLTO RESPIMAT (Drug) Food and Beverage In-kind items and services $16.70 General
Category: RESPIRATORY

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 8 1,133 1,726 $243,577 $167,594
2022 9 1,128 1,642 $246,397 $162,137
2021 8 1,054 1,423 $261,896 $137,938
2020 11 1,302 1,789 $270,475 $141,277
Total Patients
4,617
Total Services
6,580
Medicare Billing
$608,946
Procedure Codes
36

All Medicare Procedures & Services

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

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 257 777 $122,155 $81,739 66.9%
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit Office 2023 227 227 $36,660 $32,284 88.1%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 216 222 $48,840 $30,991 63.5%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 67 67 $14,027 $9,276 66.1%
99496 Transitional care management services for problem of high complexity Office 2023 21 25 $8,550 $6,045 70.7%
94010 Test to measure expiratory airflow and volume Office 2023 131 180 $6,163 $4,220 68.5%
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report Office 2023 160 174 $3,132 $2,084 66.5%
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous Office 2023 54 54 $4,050 $955.26 23.6%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 252 702 $117,796 $76,551 65.0%
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit Office 2022 219 219 $37,302 $31,958 85.7%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 215 218 $50,444 $29,858 59.2%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 67 67 $15,443 $9,465 61.3%
99496 Transitional care management services for problem of high complexity Office 2022 19 20 $6,778 $4,983 73.5%
94010 Test to measure expiratory airflow and volume Office 2022 113 158 $5,949 $3,684 61.9%
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit Office 2022 13 13 $2,911 $2,415 83.0%
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report Office 2022 167 182 $4,917 $2,098 42.7%
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous Office 2022 63 63 $4,858 $1,126 23.2%
99214 Established patient outpatient visit, total time 30-39 minutes Office 2021 226 559 $118,647 $60,766 51.2%
99215 Established patient outpatient visit, total time 40-54 minutes Office 2021 212 214 $62,975 $29,655 47.1%
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit Office 2021 178 178 $38,864 $26,315 67.7%
99204 New patient outpatient visit, total time 45-59 minutes Office 2021 59 59 $16,318 $8,162 50.0%
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit Office 2021 32 32 $8,945 $6,007 67.2%
94010 Measurement and graphic recording of total and timed exhaled air capacity Office 2021 96 121 $6,359 $3,306 52.0%
93000 Routine ekg using at least 12 leads including interpretation and report Office 2021 171 180 $4,624 $2,284 49.4%
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous Office 2021 80 80 $5,164 $1,444 28.0%

About Dr. William Klein, MD

Dr. William Klein, MD is a Internal Medicine healthcare provider based in Newport Beach, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/08/2005. The National Provider Identifier (NPI) number assigned to this provider is 1205834819.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. William Klein, MD has received a total of $15,417 in payments from pharmaceutical and medical device companies, with $2,071 received in 2024. These payments were reported across 818 transactions from 63 companies. The most common payment nature is "Food and Beverage" ($15,336).

As a Medicare-enrolled provider, Klein has provided services to 4,617 Medicare beneficiaries, totaling 6,580 services with total Medicare billing of $608,946. Data is available for 4 years (2020–2023), covering 36 distinct procedure/service records.

Practice Information

  • Specialty Internal Medicine
  • Location Newport Beach, CA
  • Active Since 07/08/2005
  • Last Updated 01/17/2008
  • Taxonomy Code 207R00000X
  • Entity Type Individual
  • NPI Number 1205834819

Products in Payments

  • DUPIXENT (Biological) $1,164
  • TRELEGY ELLIPTA (Drug) $1,147
  • Prolastin-C Liquid (Biological) $1,106
  • XOLAIR (Biological) $930.69
  • OFEV (Drug) $676.08
  • NUCALA (Biological) $612.67
  • UBRELVY (Drug) $409.64
  • XARELTO (Drug) $395.07
  • STIOLTO RESPIMAT (Drug) $359.12
  • AVYCAZ (Drug) $342.81
  • EVENITY (Biological) $330.50
  • SAMSCA (Drug) $308.85
  • Prolastin-C (Biological) $247.23
  • FLOWTRIEVER CATHETER, S (Device) $244.41
  • Xolair (Biological) $230.83
  • ELIQUIS (Drug) $222.09
  • PANZYGA (Biological) $192.38
  • JANUVIA (Drug) $182.59
  • SPIRIVA RESPIMAT (Drug) $182.20
  • TRULICITY (Drug) $180.29

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.

Internal Medicine Doctors in Newport Beach