Dr. Griffith Liang, MD

NPI: 1891737748
Total Payments
$10,823
2024 Payments
$6,243
Companies
24
Transactions
282
Medicare Patients
5,808
Medicare Billing
$424,549

Payment Breakdown by Category

Food & Beverage$6,080 (56.2%)
Education$2,728 (25.2%)
Travel$2,015 (18.6%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $6,080 266 56.2%
Education $2,728 7 25.2%
Travel and Lodging $2,015 9 18.6%

Top Paying Companies

Company Total Records Latest Year
INTUITIVE SURGICAL, INC. $3,945 8 $0 (2024)
AstraZeneca Pharmaceuticals LP $1,437 51 $0 (2024)
Covidien LP $930.51 16 $0 (2020)
GlaxoSmithKline, LLC. $769.20 72 $0 (2024)
Boehringer Ingelheim Pharmaceuticals, Inc. $703.43 22 $0 (2024)
United Therapeutics Corporation $669.91 29 $0 (2024)
Electromed, Inc. $529.42 7 $0 (2024)
Actelion Pharmaceuticals US, Inc. $269.42 10 $0 (2024)
Baxter Healthcare $171.90 8 $0 (2024)
GENZYME CORPORATION $170.58 8 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $6,243 108 INTUITIVE SURGICAL, INC. ($3,945)
2023 $1,829 92 AstraZeneca Pharmaceuticals LP ($453.60)
2022 $1,142 40 AstraZeneca Pharmaceuticals LP ($315.41)
2021 $447.73 13 Boehringer Ingelheim Pharmaceuticals, Inc. ($229.72)
2020 $1,146 28 Covidien LP ($930.51)
2018 $14.49 1 Sunovion Pharmaceuticals Inc. ($14.49)

All Payment Transactions

282 individual payment records from CMS Open Payments — Page 1 of 12

Date Company Product Nature Form Amount Type
12/31/2024 GlaxoSmithKline, LLC. TRELEGY ELLIPTA (Drug) Food and Beverage In-kind items and services $12.82 General
Category: RESPIRATORY
12/17/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $62.62 General
Category: SURGERY
12/17/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $12.00 General
Category: SURGERY
12/12/2024 GlaxoSmithKline, LLC. NUCALA (Biological) Food and Beverage In-kind items and services $32.23 General
Category: IMMUNOLOGY
12/12/2024 Electromed, Inc. SMARTVEST (Device) Food and Beverage Cash or cash equivalent $3.50 General
Category: HFCWO
12/10/2024 Takeda Pharmaceuticals U.S.A., Inc. GLASSIA (Biological) Food and Beverage In-kind items and services $22.85 General
Category: IMMUNOLOGY
12/09/2024 GlaxoSmithKline, LLC. TRELEGY ELLIPTA (Drug) Food and Beverage In-kind items and services $7.01 General
Category: RESPIRATORY
12/07/2024 AstraZeneca Pharmaceuticals LP AIRSUPRA (Drug) Food and Beverage In-kind items and services $18.53 General
Category: Respiratory
12/05/2024 AstraZeneca Pharmaceuticals LP TEZSPIRE (Biological) Food and Beverage In-kind items and services $25.96 General
Category: Respiratory
12/04/2024 AstraZeneca Pharmaceuticals LP TEZSPIRE (Biological) Food and Beverage In-kind items and services $18.57 General
Category: Respiratory
11/28/2024 Electromed, Inc. SMARTVEST (Device) Food and Beverage Cash or cash equivalent $56.95 General
Category: HFCWO
11/23/2024 Electromed, Inc. SMARTVEST (Device) Food and Beverage Cash or cash equivalent $60.59 General
Category: HFCWO
11/19/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $378.90 General
Category: SURGERY
11/19/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $22.30 General
Category: SURGERY
11/18/2024 Vifor Pharma, Inc. Veltassa (Drug) Food and Beverage In-kind items and services $27.39 General
Category: Hyperkalemia
11/14/2024 Baxter Healthcare Hillrom - Vest System Model 105 Home Care (Device) Food and Beverage In-kind items and services $22.96 General
Category: Airway Clearance Device
11/13/2024 AstraZeneca Pharmaceuticals LP TEZSPIRE (Biological) Food and Beverage In-kind items and services $26.58 General
Category: Respiratory
11/06/2024 GENZYME CORPORATION DUPIXENT (Biological) Food and Beverage In-kind items and services $13.85 General
Category: Immunology
11/05/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Education In-kind items and services $2,500.00 General
Category: SURGERY
11/05/2024 Merck Sharp & Dohme LLC WINREVAIR (Biological) Food and Beverage In-kind items and services $29.50 General
Category: CARDIOVASCULAR
11/05/2024 Grifols USA, LLC Prolastin-C Liquid (Biological) Food and Beverage In-kind items and services $23.22 General
Category: Pulmonology
11/01/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $276.13 General
Category: SURGERY
10/31/2024 United Therapeutics Corporation TYVASO (Drug) Food and Beverage In-kind items and services $23.38 General
Category: Pulmonary Arterial Hypertension and Pulmonary Hypertension with Interstitial Lung Disease
10/30/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $662.92 General
Category: SURGERY
10/30/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Travel and Lodging In-kind items and services $30.00 General
Category: SURGERY

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 16 1,934 2,212 $519,749 $130,750
2022 14 1,985 2,174 $477,170 $133,576
2021 16 1,136 1,247 $354,206 $103,476
2020 18 753 769 $280,999 $56,747
Total Patients
5,808
Total Services
6,402
Medicare Billing
$424,549
Procedure Codes
73

All Medicare Procedures & Services

73 procedure records from CMS Medicare Utilization — Page 1 of 3

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 337 471 $242,565 $62,839 25.9%
94729 Test to examine how well the lungs exchange gases Office 2023 342 382 $62,648 $15,677 25.0%
94726 Test to determine lung volumes using sensors Office 2023 321 350 $54,950 $13,914 25.3%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 80 80 $50,560 $13,022 25.8%
94010 Test to measure expiratory airflow and volume Office 2023 231 270 $21,060 $5,384 25.6%
94060 Test to measure expiratory airflow and volume changes before and after medication administration Office 2023 156 167 $18,704 $4,954 26.5%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 40 41 $15,088 $3,650 24.2%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 23 23 $11,454 $3,128 27.3%
94618 Test for exercise-induced lung stress Office 2023 108 117 $11,349 $2,966 26.1%
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or Office 2023 53 59 $5,428 $1,490 27.5%
95012 Test to measure the level of nitric oxide gas Office 2023 87 94 $5,076 $1,338 26.4%
99442 Telephone medical discussion with physician, 11-20 minutes Office 2023 13 13 $3,380 $859.44 25.4%
31645 Aspiration of initial secretion of lung airway using an endoscope Facility 2023 12 12 $4,980 $528.19 10.6%
99406 Smoking and tobacco use intensive counseling, 4-10 minutes Office 2023 20 22 $946.00 $322.30 34.1%
94060 Test to measure expiratory airflow and volume changes before and after medication administration Facility 2023 31 31 $899.00 $215.46 24.0%
94726 Test to determine lung volumes using sensors Facility 2023 27 27 $918.00 $214.13 23.3%
94729 Test to examine how well the lungs exchange gases Facility 2023 29 29 $725.00 $177.59 24.5%
31624 Irrigation and suction of lung airways to obtain cells using an endoscope Facility 2023 13 13 $4,927 $71.08 1.4%
31623 Exam of lung airways using an endoscope Facility 2023 11 11 $4,092 $1.33 0.0%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 284 375 $180,375 $49,452 27.4%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2022 145 145 $85,550 $24,139 28.2%
94729 Test to examine how well the lungs exchange gases Office 2022 379 405 $63,585 $17,894 28.1%
94726 Test to determine lung volumes using sensors Office 2022 371 397 $58,359 $16,683 28.6%
94060 Test to measure expiratory airflow and volume changes before and after medication administration Office 2022 179 188 $19,740 $5,684 28.8%
94010 Test to measure expiratory airflow and volume Office 2022 229 252 $18,144 $5,204 28.7%

About Dr. Griffith Liang, MD

Dr. Griffith Liang, MD is a Pulmonary Disease healthcare provider based in Spokane, Washington. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/12/2006. The National Provider Identifier (NPI) number assigned to this provider is 1891737748.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Griffith Liang, MD has received a total of $10,823 in payments from pharmaceutical and medical device companies, with $6,243 received in 2024. These payments were reported across 282 transactions from 24 companies. The most common payment nature is "Food and Beverage" ($6,080).

As a Medicare-enrolled provider, Liang has provided services to 5,808 Medicare beneficiaries, totaling 6,402 services with total Medicare billing of $424,549. Data is available for 4 years (2020–2023), covering 73 distinct procedure/service records.

Practice Information

  • Specialty Pulmonary Disease
  • Other Specialties Pulmonary Disease
  • Location Spokane, WA
  • Active Since 06/12/2006
  • Last Updated 05/24/2021
  • Taxonomy Code 207RP1001X
  • Entity Type Individual
  • NPI Number 1891737748

Products in Payments

  • Da Vinci Surgical System (Device) $3,945
  • superDimension (Device) $827.88
  • TEZSPIRE (Biological) $569.56
  • SMARTVEST (Device) $529.42
  • TYVASO (Drug) $514.55
  • TRELEGY ELLIPTA (Drug) $421.48
  • DUPIXENT (Biological) $395.79
  • BREZTRI (Drug) $374.27
  • NUCALA (Biological) $347.72
  • OFEV (Drug) $340.40
  • AIRSUPRA (Drug) $337.84
  • OPSUMIT (Drug) $255.65
  • Prolastin-C Liquid (Biological) $169.84
  • STIOLTO RESPIMAT (Drug) $131.90
  • SYMBICORT (Drug) $118.79
  • WINREVAIR (Biological) $115.53
  • FASENRA (Biological) $108.37
  • YUPELRI (Drug) $106.31
  • Hillrom - Life 2000 Ventilation System (Device) $100.65
  • REMODULIN (Drug) $96.25

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.

Pulmonary Disease Doctors in Spokane