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KAILYN RENEE GRIFFEY
NPI 1043164205
Allergy & Immunology in Knoxville, TN

Active since February 24, 2026PECOS EnrolledAccepts Medicare Assignment
2121 HIGHLAND AVE, KNOXVILLE, TN 37916(865) 525-2640(865) 525-9536 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kailyn Renee Griffey NPPES

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

KAILYN RENEE GRIFFEY (NPI 1043164205) is an individual allergy & immunology provider in Knoxville, Tennessee, licensed in Tennessee (FNP41556) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1043164205
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameKAILYN RENEE GRIFFEY
Location Address2121 HIGHLAND AVEKnoxville, TN 37916-1111
Mailing Address2121 Highland AveKnoxville, TN 37916-1111 · (865) 525-2640 · Fax (865) 525-9536
Phone(865) 525-2640
Fax(865) 525-9536
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateFebruary 24, 2026
Last NPPES UpdateMay 28, 2026
NPPES CertifiedMay 28, 2026
✔ NPI 1043164205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TN · FNP41556
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 ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License FNP41556 (TN)
Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X · License FNP41556 (TN)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License FNP41556 (TN)
2121 HIGHLAND AVE, Knoxville, TN 37916
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Secondary Practice Locations 4

Location 11060 Oak Ridge TpkeOak Ridge, TN 37830-6439 · Phone (865) 813-0626 · Fax (865) 813-0628
Location 2116 Concord Rd Ste 200Farragut, TN 37934-2951 · Phone (865) 288-0808 · Fax (865) 288-0799
Location 37714 Conner Rd Ste 108Powell, TN 37849-3559 · Phone (865) 938-7759 · Fax (265) 938-9874
Location 49017 Cross Park Dr Ste 100Knoxville, TN 37923-8605 · Phone (865) 693-4556 · Fax (865) 693-4556

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kailyn Renee Griffey 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 ID1052876232
PECOS Enrollment IDI20260717002868
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.

Medicare Billing Reassignment

Medicare enrollment records show Kailyn Griffey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy & Asthma Affiliates, PC
Same address
Allergy & Immunology
2121 HIGHLAND AVE
Knoxville, TN 37916
  • Reassigned Medicare billing, Tennessee enrollment
  • 11 clinicians in this Medicare group
NPI 1780809012 (865) 525-2640

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 10

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

MRS. MEGAN CAMBLEY BRUMBELOW FNP
Nurse Practitioner (Family)
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
JENNIFER LYNNE HALL FNP
Allergy & Immunology
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
ANDREW MICHAEL SINGER MD
Allergy & Immunology
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
OLIVIA CAROLINE ART FNP
Nurse Practitioner (Family)
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
MS. CHRISTIN R CARTER FNP
Family Medicine
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
DONALD T. ELLENBURG M.D.
Allergy & Immunology
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
DR. TIMOTHY C. FRAZIER
Pediatrics
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640
JOSEPH TRENT ELLENBURG D.O.
Allergy & Immunology
2121 HIGHLAND AVE
KNOXVILLE, TN 37916
Knox County (865) 525-2640

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kailyn Griffey's NPI number?

The NPI number for Kailyn Griffey is 1043164205. It was assigned to this individual provider in the NPPES registry on February 24, 2026.

Where is Kailyn Griffey located?

Kailyn Griffey practices at 2121 Highland Ave, Knoxville, TN 37916. The listed phone number is (865) 525-2640.

What is Kailyn Griffey's specialty?

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

Is Kailyn Griffey enrolled in Medicare?

Yes. Kailyn Griffey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Kailyn Griffey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kailyn Griffey reassigns Medicare benefits to Allergy & Asthma Affiliates, PC (Knoxville, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kailyn Griffey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kailyn Griffey accept?

Health plans from Cigna Healthcare and Oscar Insurance Company list Kailyn Griffey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kailyn Griffey was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.