Total Payments
$1,733
2024 Payments
$208.07
Companies
11
Transactions
82
Medicare Patients
4,507
Medicare Billing
$441,310
Payment Breakdown by Category
Food & Beverage$1,733 (100.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,733 | 82 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | $367.80 | 11 | $0 (2024) |
| PFIZER INC. | $321.06 | 23 | $0 (2021) |
| Kowa Pharmaceuticals America, Inc. | $228.22 | 15 | $0 (2021) |
| Novo Nordisk Inc | $219.51 | 6 | $0 (2021) |
| Exact Sciences Corporation | $156.05 | 8 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $142.49 | 8 | $0 (2022) |
| Janssen Pharmaceuticals, Inc | $134.69 | 3 | $0 (2021) |
| Amgen Inc. | $63.53 | 3 | $0 (2024) |
| Dexcom, Inc. | $49.14 | 2 | $0 (2024) |
| GlaxoSmithKline, LLC. | $31.79 | 2 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $208.07 | 10 | Exact Sciences Corporation ($80.79) |
| 2023 | $406.92 | 13 | AstraZeneca Pharmaceuticals LP ($292.73) |
| 2022 | $36.20 | 2 | AstraZeneca Pharmaceuticals LP ($21.53) |
| 2021 | $414.74 | 27 | PFIZER INC. ($161.02) |
| 2020 | $419.23 | 22 | Novo Nordisk Inc ($180.12) |
| 2019 | $100.00 | 1 | Janssen Pharmaceuticals, Inc ($100.00) |
| 2018 | $19.80 | 1 | Boehringer Ingelheim Pharmaceuticals, Inc. ($19.80) |
| 2017 | $128.46 | 6 | Kowa Pharmaceuticals America, Inc. ($40.48) |
All Payment Transactions
82 individual payment records from CMS Open Payments — Page 1 of 4
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/14/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $21.93 | General |
| Category: Oncology | ||||||
| 10/01/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $21.31 | General |
| Category: Oncology | ||||||
| 07/17/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $14.63 | General |
| Category: Respiratory | ||||||
| 07/02/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $14.53 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 06/05/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $22.01 | General |
| Category: Oncology | ||||||
| 05/22/2024 | Amgen Inc. | Otezla (Drug) | Food and Beverage | In-kind items and services | $24.60 | General |
| Category: Inflammation | ||||||
| 03/26/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $21.84 | General |
| Category: Endocrinology | ||||||
| 02/21/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $27.30 | General |
| Category: Endocrinology | ||||||
| 02/12/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $15.54 | General |
| Category: Oncology | ||||||
| 01/18/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $24.38 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 12/05/2023 | AstraZeneca Pharmaceuticals LP | BREZTRI (Drug) | Food and Beverage | In-kind items and services | $106.72 | General |
| Category: Respiratory | ||||||
| 11/15/2023 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $23.20 | General |
| Category: Cardiology | ||||||
| 10/11/2023 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $22.22 | General |
| Category: Oncology | ||||||
| 10/03/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $16.07 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 10/02/2023 | Amgen Inc. | Otezla (Drug), Repatha | Food and Beverage | In-kind items and services | $15.73 | General |
| Category: Inflammation | ||||||
| 08/01/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $13.62 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 07/12/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug), BREZTRI | Food and Beverage | In-kind items and services | $17.13 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 06/06/2023 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $15.70 | General |
| Category: Oncology | ||||||
| 04/03/2023 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $14.99 | General |
| Category: Oncology | ||||||
| 03/28/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $19.25 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 01/24/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $101.94 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 01/24/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $18.00 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 01/10/2023 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $22.35 | General |
| Category: Oncology | ||||||
| 09/20/2022 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $21.53 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 04/27/2022 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $14.67 | General |
| Category: DIABETES | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 13 | 1,087 | 2,019 | $270,204 | $129,030 |
| 2022 | 14 | 1,114 | 1,870 | $233,737 | $108,377 |
| 2021 | 14 | 1,160 | 2,026 | $238,792 | $114,112 |
| 2020 | 14 | 1,146 | 2,016 | $211,436 | $89,791 |
Total Patients
4,507
Total Services
7,931
Medicare Billing
$441,310
Procedure Codes
55
All Medicare Procedures & Services
55 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 217 | 646 | $125,686 | $49,581 | 39.4% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 136 | 248 | $56,979 | $32,836 | 57.6% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 148 | 148 | $24,325 | $18,006 | 74.0% |
| G0181 | Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | Office | 2023 | 24 | 104 | $18,968 | $8,232 | 43.4% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2023 | 79 | 79 | $7,749 | $5,682 | 73.3% |
| G0008 | Administration of influenza virus vaccine | Office | 2023 | 127 | 131 | $6,369 | $3,757 | 59.0% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 217 | 435 | $7,917 | $3,646 | 46.0% |
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | Office | 2023 | 25 | 73 | $7,849 | $2,192 | 27.9% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 18 | 52 | $5,065 | $1,868 | 36.9% |
| 90686 | Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | Office | 2023 | 52 | 52 | $2,594 | $1,135 | 43.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 14 | 19 | $3,236 | $1,023 | 31.6% |
| G0180 | Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Office | 2023 | 19 | 21 | $2,943 | $785.20 | 26.7% |
| G0009 | Administration of pneumococcal vaccine | Office | 2023 | 11 | 11 | $523.82 | $286.80 | 54.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 245 | 724 | $140,861 | $58,216 | 41.3% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2022 | 184 | 184 | $30,242 | $22,545 | 74.5% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2022 | 83 | 84 | $8,240 | $5,689 | 69.0% |
| G0008 | Administration of influenza virus vaccine | Office | 2022 | 137 | 144 | $7,001 | $3,884 | 55.5% |
| 90670 | Pneumococcal vaccine, 13-valent | Office | 2022 | 15 | 15 | $5,552 | $3,766 | 67.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 45 | 51 | $8,685 | $2,569 | 29.6% |
| G0181 | Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | Office | 2022 | 15 | 28 | $5,107 | $2,211 | 43.3% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2022 | 16 | 53 | $5,163 | $2,000 | 38.7% |
| 90732 | Pneumococcal vaccine, 23-valent | Office | 2022 | 15 | 15 | $2,722 | $1,975 | 72.6% |
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | Office | 2022 | 20 | 48 | $5,161 | $1,432 | 27.7% |
| 90686 | Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | Office | 2022 | 58 | 60 | $2,993 | $1,262 | 42.2% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2022 | 230 | 412 | $7,498 | $1,215 | 16.2% |
About Dr. Walter Klassen, MD
Dr. Walter Klassen, MD is a Family Medicine healthcare provider based in Woodward, Oklahoma. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/12/2007. The National Provider Identifier (NPI) number assigned to this provider is 1326180084.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Walter Klassen, MD has received a total of $1,733 in payments from pharmaceutical and medical device companies, with $208.07 received in 2024. These payments were reported across 82 transactions from 11 companies. The most common payment nature is "Food and Beverage" ($1,733).
As a Medicare-enrolled provider, Klassen has provided services to 4,507 Medicare beneficiaries, totaling 7,931 services with total Medicare billing of $441,310. Data is available for 4 years (2020–2023), covering 55 distinct procedure/service records.
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Practice Information
- Specialty Family Medicine
- Location Woodward, OK
- Active Since 02/12/2007
- Last Updated 08/04/2011
- Taxonomy Code 207Q00000X
- Entity Type Individual
- NPI Number 1326180084
Products in Payments
- FARXIGA (Drug) $246.45
- Livalo (Drug) $228.22
- Ozempic (Drug) $219.51
- Cologuard Collection Kit (Device) $156.05
- ELIQUIS (Drug) $150.97
- XARELTO (Drug) $134.69
- BREZTRI (Drug) $106.72
- JARDIANCE (Drug) $85.18
- COLOGUARD DNA CAPTURE REAGENTS (Device) $80.12
- COLOGUARD (Device) $69.10
- Dexcom G6 Transmitter (Medical Supply) $49.14
- Otezla (Drug) $40.33
- STIOLTO RESPIMAT (Drug) $39.19
- ANORO (Drug) $31.79
- Repatha (Biological) $23.20
- PREMARIN (Drug) $20.87
- TRULICITY (Drug) $19.14
- STIOLTO (Drug) $18.12
- AIRSUPRA (Drug) $14.63
Explore
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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