KARTHIK R KRISHNAN MD
NPI 1306956586
Allergy & Immunology in Maryville, TN

Q: What is Karthik Krishnan's NPI number?

The NPI number for Karthik Krishnan is 1306956586. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Karthik Krishnan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Karthik Krishnan was last updated on January 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment

98.3/100

CMS Quality Rating

616 W LAMAR ALEXANDER PKWY, MARYVILLE, TN 37801(865) 273-0008(658) 954-0908 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 8, 2026, Mar 17, 2025 (2 updates tracked since 2025).

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About Karthik R Krishnan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KARTHIK R KRISHNAN MD (NPI 1306956586) is an individual allergy & immunology provider in Maryville, Tennessee, licensed in Tennessee (MD46000) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Georgia School Of Medicine (2000).

NPPES Registry Identity

NPI1306956586

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameKARTHIK R KRISHNANCredential: MD

Location Address616 W LAMAR ALEXANDER PKWYMaryville, TN 37801-3904

Mailing Address616 W Lamar Alexander PkwyMaryville, TN 37801-3904 · (865) 273-0008 · Fax (865) 895-4090

Phone(865) 273-0008

Fax(658) 954-0908

Sole ProprietorNo

Medical School CMSMedical College Of Georgia School Of MedicineGraduated 2000

Enumeration DateAugust 30, 2006

Last NPPES UpdateJanuary 8, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 8, 2026

✔ NPI 1306956586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in TN · MD46000

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedSpecialistTaxonomy 174400000X · License 46000 (TN)

Also ListedPediatricsTaxonomy 208000000X · License 053320 (GA)

616 W LAMAR ALEXANDER PKWY, Maryville, TN 37801

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Other Identifiers 2

Medicaid1519458TN

MedicaidG53320SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karthik R Krishnan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709910326

PECOS Enrollment IDI20100818000940

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575

This procedure involves an injection of Hyqvia, a combination of immune globulin and hyaluronidase. Immune globulin helps your body fight off infections, while hyaluronidase helps the immune globulin to spread in your body. It's used to treat certain immune system disorders.

28,300 services11 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

15,770 services502 patients

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

7,465 services108 patients

Injection, omalizumab, 5 mg J2357

Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.

5,190 services31 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

3,166 services637 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

1,480 services89 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

864 services140 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

288 services67 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

195 services147 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

149 services149 patients

Infusion into tissue for therapy or prevention, 1 hour or less 96369

This procedure involves administering medication directly into your tissue for treatment or prevention purposes. It's typically done within an hour. The medication is delivered via a small needle, which allows for quick and effective absorption.

84 services13 patients

Professional service for preparation and provision of 5 stinging insect venom 95149

This service involves preparing and providing doses of venom from 5 different stinging insects. It's used for venom immunotherapy, a treatment to reduce allergic reactions in individuals sensitive to these insects. The process is safe and supervised by medical professionals.

83 services11 patients

Professional service for preparation and provision of 4 stinging insect venom 95148

This service involves preparing and providing doses of venom from four types of stinging insects. It's used in immunotherapy, a treatment that helps your body build resistance to insect stings. This can significantly reduce allergic reactions if you're stung in the future.

72 services12 patients

Levalbuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 0.5 mg J7614

Levalbuterol is a medication used to treat breathing difficulties like those experienced in asthma. It's administered via a device called a nebulizer, which turns the solution into a fine mist for you to inhale. Each dose contains 0.5 mg of the medication.

54 services18 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

28 services28 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

18 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier13 claims52 services$35.86 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

2 suppliers27 claims12,760 services$9.55 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WILSON SCOUT ROBINSON JR. MD

Allergy & Immunology