Total Payments
$33,048
2024 Payments
$1,409
Companies
36
Transactions
393
Medicare Patients
1,191
Medicare Billing
$213,268
Payment Breakdown by Category
Other$24,725 (74.8%)
Food & Beverage$8,042 (24.3%)
Gifts$162.00 (0.5%)
Education$118.87 (0.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $24,725 | 21 | 74.8% |
| Food and Beverage | $8,042 | 366 | 24.3% |
| Gift | $162.00 | 1 | 0.5% |
| Education | $118.87 | 5 | 0.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | $25,454 | 104 | $0 (2024) |
| Amgen Inc. | $1,953 | 4 | $0 (2023) |
| PFIZER INC. | $510.32 | 21 | $0 (2024) |
| GlaxoSmithKline, LLC. | $493.20 | 33 | $0 (2024) |
| GENZYME CORPORATION | $491.11 | 37 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $490.31 | 18 | $0 (2024) |
| Grifols USA, LLC | $442.42 | 22 | $0 (2024) |
| Pharming Healthcare, Inc. | $399.56 | 17 | $0 (2024) |
| Shire North American Group Inc | $356.54 | 22 | $0 (2019) |
| Takeda Pharmaceuticals U.S.A., Inc. | $340.80 | 18 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,409 | 70 | AstraZeneca Pharmaceuticals LP ($308.83) |
| 2023 | $5,428 | 68 | AstraZeneca Pharmaceuticals LP ($4,205) |
| 2022 | $14,333 | 60 | AstraZeneca Pharmaceuticals LP ($11,695) |
| 2021 | $8,949 | 44 | AstraZeneca Pharmaceuticals LP ($8,348) |
| 2020 | $594.38 | 31 | AstraZeneca Pharmaceuticals LP ($201.04) |
| 2019 | $744.85 | 27 | AstraZeneca Pharmaceuticals LP ($476.78) |
| 2018 | $306.37 | 15 | AstraZeneca Pharmaceuticals LP ($155.55) |
| 2017 | $1,282 | 78 | Shire North American Group Inc ($331.67) |
All Payment Transactions
393 individual payment records from CMS Open Payments — Page 1 of 16
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $23.23 | General |
| Category: Immunology and Neurology | ||||||
| 12/09/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $2.57 | General |
| Category: Immunology | ||||||
| 11/19/2024 | PFIZER INC. | OCTAGAM IMMUNE GLOBULIN (HUMAN) (Drug), PANZYGA, CUTAQUIG | Food and Beverage | In-kind items and services | $35.46 | General |
| Category: IMMUNOLOGY | ||||||
| 11/13/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $22.92 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/07/2024 | Kedrion Biopharma, Inc. | Albuked (Biological), KOATE, GAMMAKED | Food and Beverage | Cash or cash equivalent | $23.98 | General |
| Category: Critical Care | ||||||
| 11/07/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $20.34 | General |
| Category: Immunology | ||||||
| 11/01/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $17.47 | General |
| Category: Immunology | ||||||
| 10/30/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $20.02 | General |
| Category: Respiratory | ||||||
| 10/14/2024 | Octapharma USA, Inc. | PANZYGA (Biological) | Food and Beverage | In-kind items and services | $21.29 | General |
| Category: IMMUNOLOGY | ||||||
| 10/02/2024 | PFIZER INC. | OCTAGAM IMMUNE GLOBULIN (HUMAN) (Drug), PANZYGA, CUTAQUIG | Food and Beverage | In-kind items and services | $27.67 | General |
| Category: IMMUNOLOGY | ||||||
| 09/23/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $6.04 | General |
| Category: Immunology | ||||||
| 09/19/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $15.23 | General |
| Category: Respiratory | ||||||
| 09/18/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $18.79 | General |
| Category: Immunology and Neurology | ||||||
| 09/14/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $16.40 | General |
| Category: Respiratory | ||||||
| 09/05/2024 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $13.91 | General |
| Category: Immunology | ||||||
| 09/04/2024 | BioMarin Pharmaceutical Inc. | Palynziq (Drug) | Food and Beverage | In-kind items and services | $17.65 | General |
| Category: PKU | ||||||
| 08/28/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $24.59 | General |
| Category: Respiratory | ||||||
| 08/26/2024 | PFIZER INC. | OCTAGAM IMMUNE GLOBULIN (HUMAN) (Drug), PANZYGA, CUTAQUIG | Food and Beverage | In-kind items and services | $28.72 | General |
| Category: IMMUNOLOGY | ||||||
| 08/23/2024 | Takeda Pharmaceuticals U.S.A., Inc. | HYQVIA (Biological) | Food and Beverage | In-kind items and services | $23.82 | General |
| Category: IMMUNOLOGY | ||||||
| 08/21/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $28.98 | General |
| Category: Immunology | ||||||
| 08/20/2024 | Takeda Pharmaceuticals U.S.A., Inc. | TAKHZYRO (Biological) | Food and Beverage | In-kind items and services | $15.54 | General |
| Category: GENETIC DISEASE | ||||||
| 08/19/2024 | GENZYME CORPORATION | — | Food and Beverage | In-kind items and services | $14.88 | General |
| 08/16/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $14.00 | General |
| Category: Immunology | ||||||
| 08/13/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $29.61 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 08/12/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $21.02 | General |
| Category: Respiratory | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 8 | 295 | 7,105 | $145,892 | $47,359 |
| 2022 | 6 | 242 | 6,175 | $123,864 | $43,747 |
| 2021 | 10 | 347 | 6,878 | $150,888 | $57,183 |
| 2020 | 10 | 307 | 7,264 | $169,129 | $64,980 |
Total Patients
1,191
Total Services
27,422
Medicare Billing
$213,268
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 |
|---|---|---|---|---|---|---|---|---|
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2023 | 66 | 2,128 | $59,820 | $21,264 | 35.5% |
| 95004 | Test for allergy using allergenic extract | Office | 2023 | 59 | 4,162 | $44,742 | $10,779 | 24.1% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 64 | 64 | $12,480 | $5,253 | 42.1% |
| 95018 | Test for allergy using combination of methods with drug or biological | Office | 2023 | 18 | 286 | $10,725 | $4,209 | 39.2% |
| 95117 | Professional service for multiple injections of allergen | Office | 2023 | 29 | 367 | $8,077 | $2,777 | 34.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 34 | 38 | $7,600 | $2,466 | 32.5% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Office | 2023 | 12 | 12 | $1,680 | $337.08 | 20.1% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2023 | 13 | 48 | $768.00 | $273.60 | 35.6% |
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2022 | 60 | 2,114 | $52,850 | $22,281 | 42.2% |
| 95004 | Test for allergy using allergenic extract | Office | 2022 | 52 | 3,355 | $36,066 | $8,426 | 23.4% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 58 | 58 | $11,310 | $4,828 | 42.7% |
| 95117 | Professional service for multiple injections of allergen | Office | 2022 | 28 | 450 | $9,225 | $3,267 | 35.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 33 | 43 | $8,600 | $2,574 | 29.9% |
| 95018 | Test for allergy using combination of methods with drug or biological | Office | 2022 | 11 | 155 | $5,813 | $2,371 | 40.8% |
| 95165 | Preparation and provision of single or multiple antigens for allergen immunotherapy | Office | 2021 | 53 | 2,416 | $60,400 | $26,489 | 43.9% |
| 95004 | Injection of allergenic extracts into skin, accessed through the skin | Office | 2021 | 46 | 3,365 | $36,174 | $9,367 | 25.9% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 58 | 87 | $12,840 | $5,572 | 43.4% |
| 99203 | New patient outpatient visit, total time 30-44 minutes | Office | 2021 | 55 | 55 | $10,725 | $4,431 | 41.3% |
| 95018 | Allergy testing with drugs or biologicals into or within the skin, immediate type reaction, including test interpretation and report | Office | 2021 | 17 | 247 | $9,263 | $3,726 | 40.2% |
| 95117 | Injection of incremental dosages of allergen, 2 or more injections | Office | 2021 | 40 | 509 | $10,435 | $3,650 | 35.0% |
| 95076 | Ingestion of test items for allergies, 120 minutes | Office | 2021 | 19 | 28 | $6,200 | $2,367 | 38.2% |
| 95024 | Injection of allergenic extracts into skin for immediate reaction analysis | Office | 2021 | 33 | 144 | $2,304 | $896.28 | 38.9% |
| 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | Office | 2021 | 12 | 13 | $1,820 | $448.24 | 24.6% |
| 99211 | Established patient outpatient visit, minimal presenting problem | Office | 2021 | 14 | 14 | $728.00 | $238.56 | 32.8% |
| 95165 | Preparation and provision of single or multiple antigens for allergen immunotherapy | Office | 2020 | 37 | 3,146 | $78,650 | $32,164 | 40.9% |
About Dr. Vuong Nayima, DO
Dr. Vuong Nayima, DO is a Internal Medicine healthcare provider based in West Des Moines, Iowa. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/07/2011. The National Provider Identifier (NPI) number assigned to this provider is 1174817134.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Vuong Nayima, DO has received a total of $33,048 in payments from pharmaceutical and medical device companies, with $1,409 received in 2024. These payments were reported across 393 transactions from 36 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($24,725).
As a Medicare-enrolled provider, Nayima has provided services to 1,191 Medicare beneficiaries, totaling 27,422 services with total Medicare billing of $213,268. Data is available for 4 years (2020–2023), covering 34 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Hospitalist, Allergy & Immunology
- Location West Des Moines, IA
- Active Since 06/07/2011
- Last Updated 01/30/2025
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1174817134
Products in Payments
- FASENRA (Biological) $17,729
- TEZSPIRE (Biological) $5,539
- DUPIXENT (Biological) $854.40
- FASENRA (Drug) $413.45
- RUCONEST (Biological) $399.56
- Xembify (Biological) $350.57
- NUCALA (Biological) $302.15
- OCTAGAM IMMUNE GLOBULIN (HUMAN) (Drug) $295.55
- CINRYZE (Drug) $256.05
- Xolair (Biological) $252.27
- PANZYGA (Biological) $189.24
- Palynziq (Drug) $182.47
- TAKHZYRO (Biological) $164.55
- ANIMAL ALLERGENS, AP DOG HAIR AND DANDER CANIS SPP (Biological) $162.00
- ORLADEYO (Drug) $159.89
- DUPIXENT DUPILUMAB INJECTION (Biological) $152.24
- SYMBICORT (Drug) $138.15
- OPZELURA (Drug) $131.38
- TRELEGY ELLIPTA (Drug) $108.50
- HYQVIA (Biological) $95.11
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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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