Total Payments
$9,204
2024 Payments
$1,379
Companies
24
Transactions
527
Medicare Patients
6,347
Medicare Billing
$709,678
Payment Breakdown by Category
Food & Beverage$9,139 (99.3%)
Education$65.09 (0.7%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $9,139 | 524 | 99.3% |
| Education | $65.09 | 3 | 0.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GlaxoSmithKline, LLC. | $2,075 | 152 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $1,320 | 73 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $1,304 | 64 | $0 (2024) |
| Genentech USA, Inc. | $962.45 | 59 | $0 (2024) |
| CSL Behring | $802.01 | 32 | $0 (2024) |
| GENZYME CORPORATION | $605.18 | 28 | $0 (2024) |
| Takeda Pharmaceuticals U.S.A., Inc. | $496.88 | 22 | $0 (2024) |
| kaleo, Inc. | $328.66 | 19 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $254.41 | 14 | $0 (2022) |
| Shire North American Group Inc | $224.98 | 14 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,379 | 66 | Regeneron Healthcare Solutions, Inc. ($316.48) |
| 2023 | $1,447 | 74 | Regeneron Healthcare Solutions, Inc. ($354.20) |
| 2022 | $1,286 | 67 | Regeneron Healthcare Solutions, Inc. ($384.14) |
| 2021 | $1,251 | 72 | GlaxoSmithKline, LLC. ($302.95) |
| 2020 | $877.69 | 53 | GlaxoSmithKline, LLC. ($198.59) |
| 2019 | $1,316 | 81 | AstraZeneca Pharmaceuticals LP ($345.64) |
| 2018 | $1,032 | 76 | GlaxoSmithKline, LLC. ($408.38) |
| 2017 | $616.32 | 38 | CSL Behring ($237.52) |
All Payment Transactions
527 individual payment records from CMS Open Payments — Page 1 of 22
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/12/2024 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug), AREXVY | Food and Beverage | In-kind items and services | $4.10 | General |
| Category: RESPIRATORY | ||||||
| 12/05/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $20.44 | General |
| Category: Immunology and Neurology | ||||||
| 11/22/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $25.64 | General |
| Category: IMMUNOLOGY | ||||||
| 11/21/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $21.43 | General |
| Category: Respiratory | ||||||
| 11/20/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $22.64 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/14/2024 | Takeda Pharmaceuticals U.S.A., Inc. | HYQVIA (Biological) | Food and Beverage | In-kind items and services | $25.37 | General |
| Category: IMMUNOLOGY | ||||||
| 11/12/2024 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug), AREXVY | Food and Beverage | In-kind items and services | $6.27 | General |
| Category: RESPIRATORY | ||||||
| 11/11/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $27.57 | General |
| Category: Immunology | ||||||
| 11/07/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $23.63 | General |
| Category: Immunology | ||||||
| 11/05/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $18.67 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/31/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $25.77 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/25/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $25.19 | General |
| Category: IMMUNOLOGY | ||||||
| 10/24/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Education | In-kind items and services | $23.32 | General |
| Category: Respiratory | ||||||
| 10/24/2024 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug), AREXVY | Food and Beverage | In-kind items and services | $8.10 | General |
| Category: RESPIRATORY | ||||||
| 10/09/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $17.87 | General |
| Category: Immunology and Neurology | ||||||
| 10/03/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $23.01 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/02/2024 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $20.64 | General |
| Category: Immunology | ||||||
| 10/02/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $20.00 | General |
| Category: Immunology | ||||||
| 09/27/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $27.48 | General |
| Category: Immunology | ||||||
| 09/18/2024 | AstraZeneca Pharmaceuticals LP | — | Food and Beverage | In-kind items and services | $19.65 | General |
| 09/16/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $20.15 | General |
| Category: Immunology | ||||||
| 09/13/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $21.22 | General |
| Category: Respiratory | ||||||
| 09/12/2024 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug), AREXVY | Food and Beverage | In-kind items and services | $6.63 | General |
| Category: RESPIRATORY | ||||||
| 09/10/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $15.76 | General |
| Category: Respiratory | ||||||
| 09/09/2024 | kaleo, Inc. | AUVI-Q (Drug) | Food and Beverage | In-kind items and services | $16.10 | General |
| Category: Allergy | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 1,628 | 27,279 | $759,251 | $252,341 |
| 2022 | 13 | 1,703 | 27,665 | $591,693 | $196,194 |
| 2021 | 13 | 1,594 | 20,734 | $462,047 | $158,762 |
| 2020 | 12 | 1,422 | 14,180 | $320,989 | $102,382 |
Total Patients
6,347
Total Services
89,858
Medicare Billing
$709,678
Procedure Codes
52
All Medicare Procedures & Services
52 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2023 | 288 | 10,480 | $261,260 | $109,418 | 41.9% |
| J2357 | Injection, omalizumab, 5 mg | Office | 2023 | 12 | 1,935 | $124,150 | $56,862 | 45.8% |
| 95117 | Professional service for multiple injections of allergen | Office | 2023 | 587 | 3,401 | $128,902 | $24,850 | 19.3% |
| 95004 | Test for allergy using allergenic extract | Office | 2023 | 119 | 8,508 | $102,096 | $22,450 | 22.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 142 | 193 | $35,749 | $10,985 | 30.7% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 137 | 137 | $31,921 | $9,541 | 29.9% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2023 | 100 | 1,653 | $29,754 | $9,308 | 31.3% |
| 95115 | Professional service for single injection of allergen | Office | 2023 | 137 | 776 | $23,220 | $4,891 | 21.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 12 | 12 | $4,140 | $1,358 | 32.8% |
| 70486 | Ct scan of face without contrast | Office | 2023 | 16 | 16 | $7,472 | $985.80 | 13.2% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2023 | 22 | 80 | $5,600 | $810.90 | 14.5% |
| 94010 | Test to measure expiratory airflow and volume | Office | 2023 | 24 | 24 | $2,208 | $462.96 | 21.0% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Office | 2023 | 16 | 16 | $2,480 | $416.10 | 16.8% |
| J7614 | Levalbuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 0.5 mg | Office | 2023 | 16 | 48 | $299.52 | $1.60 | 0.5% |
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2022 | 270 | 8,855 | $203,665 | $94,101 | 46.2% |
| 95004 | Test for allergy using allergenic extract | Office | 2022 | 163 | 11,725 | $140,700 | $31,263 | 22.2% |
| 95117 | Professional service for multiple injections of allergen | Office | 2022 | 563 | 3,303 | $112,302 | $24,295 | 21.6% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2022 | 146 | 2,411 | $33,754 | $14,283 | 42.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 144 | 201 | $26,130 | $11,705 | 44.8% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 130 | 130 | $24,700 | $9,116 | 36.9% |
| 95115 | Professional service for single injection of allergen | Office | 2022 | 129 | 782 | $20,332 | $4,624 | 22.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 38 | 38 | $11,210 | $3,917 | 34.9% |
| 70486 | Ct scan of face without contrast | Office | 2022 | 15 | 15 | $7,005 | $941.14 | 13.4% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Office | 2022 | 29 | 29 | $4,495 | $796.22 | 17.7% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2022 | 22 | 66 | $4,620 | $692.08 | 15.0% |
About Dr. Karthik Krishnan, MD
Dr. Karthik Krishnan, MD is a Allergy & Immunology healthcare provider based in Maryville, Tennessee. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/30/2006. The National Provider Identifier (NPI) number assigned to this provider is 1306956586.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Karthik Krishnan, MD has received a total of $9,204 in payments from pharmaceutical and medical device companies, with $1,379 received in 2024. These payments were reported across 527 transactions from 24 companies. The most common payment nature is "Food and Beverage" ($9,139).
As a Medicare-enrolled provider, Krishnan has provided services to 6,347 Medicare beneficiaries, totaling 89,858 services with total Medicare billing of $709,678. Data is available for 4 years (2020–2023), covering 52 distinct procedure/service records.
Ad
Practice Information
- Specialty Allergy & Immunology
- Other Specialties Pediatrics, Specialist
- Location Maryville, TN
- Active Since 08/30/2006
- Last Updated 01/08/2026
- Taxonomy Code 207K00000X
- Entity Type Individual
- NPI Number 1306956586
Products in Payments
- DUPIXENT (Biological) $1,909
- NUCALA (Biological) $984.73
- Xolair (Biological) $962.45
- TRELEGY ELLIPTA (Drug) $699.87
- CUVITRU (Biological) $465.81
- Hizentra (Biological) $441.77
- Haegarda (Biological) $335.62
- SYMBICORT (Drug) $270.20
- AUVI-Q (Drug) $269.28
- FASENRA (Drug) $257.11
- SPIRIVA RESPIMAT (Drug) $238.76
- BREO (Drug) $235.88
- TEZSPIRE (Biological) $225.69
- FASENRA (Biological) $135.03
- HYQVIA (Biological) $130.16
- EUCRISA (Drug) $118.97
- XOLAIR (Biological) $74.83
- TAKHZYRO (Biological) $73.22
- Xembify (Biological) $72.01
- ANORO (Drug) $68.60
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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.