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ALLERGY & ASTHMA AFFILIATES, PC
NPI 1881864882
Allergy & Immunology in Knoxville, TN

Active since March 05, 2008
4817 N. BROADWAY STREET, SUITE 101, KNOXVILLE, TN 37918(865) 525-2640(865) 525-9536 Get Directions Write a Review

NPPES record last updated: September 23, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Allergy & Asthma Affiliates, Pc NPPES

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

ALLERGY & ASTHMA AFFILIATES, PC (NPI 1881864882) is a healthcare organization registered as an allergy & immunology in Knoxville, Tennessee and active in the NPI registry since March 2008. The organization lists Louis Mavroff, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1881864882
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameALLERGY & ASTHMA AFFILIATES, PC
Location Address4817 N. BROADWAY STREET, SUITE 101Knoxville, TN 37918-8703
Mailing Address2121 Highland AveKnoxville, TN 37916-1111 · (865) 525-2640 · Fax (865) 525-9536
Phone(865) 525-2640
Fax(865) 525-9536
Organization SubpartYesParent: Allergy & Asthma Affiliates
Authorized OfficialLouis MavroffPractice Manager · (865) 525-2640
Enumeration DateMarch 5, 2008
Last NPPES UpdateSeptember 23, 2016
✔ NPI 1881864882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
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.
4817 N. BROADWAY STREET, Knoxville, TN 37918
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy & Asthma Affiliates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Allergy & Asthma Affiliates, PC, which bills Medicare for the services they deliver. Of these, 10 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nurse Practitioner7
Allergy/Immunology4

Clinicians, nearest first (11)

Olivia Art, FNP
Nurse Practitioner
NPI 1336976471
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Christin Carter, FNP
Nurse Practitioner
NPI 1366410847
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Donald Ellenburg, M.D.
Allergy/Immunology
NPI 1548354475
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Joseph Ellenburg, D.O.
Allergy/Immunology
NPI 1760794093
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Timothy Frazier
Allergy/Immunology
NPI 1578657334
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Kailyn Griffey
Nurse Practitioner
NPI 1043164205
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Jennifer Hall, FNP
Nurse Practitioner
NPI 1063231777
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Kristine Meade, FNP-BC
Nurse Practitioner
NPI 1942648217
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Andrew Singer, MD
Allergy/Immunology
NPI 1255420188
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS✔ Accepts Medicare4.7 mi
Megan Brumbelow, FNP
Nurse Practitioner
NPI 1023243714
2121 HIGHLAND AVE
Knoxville, TN 37916
(865) 525-2640
✔ PECOS4.7 mi
Kristin Hickman, APRN
Nurse Practitioner
NPI 1699328765
121 NEWPORT TOWNE CTR
Newport, TN 37821
(423) 532-8621
✔ PECOS✔ Accepts Medicare40 mi

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

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 Allergy & Asthma Affiliates, PC's NPI number?

The NPI number for Allergy & Asthma Affiliates, PC is 1881864882. It was assigned to this organization in the NPPES registry on March 5, 2008.

Where is Allergy & Asthma Affiliates, PC located?

Allergy & Asthma Affiliates, PC is located at 4817 N. Broadway Street Suite 101, Knoxville, TN 37918. The listed phone number is (865) 525-2640.

What is Allergy & Asthma Affiliates, PC's specialty?

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

Is Allergy & Asthma Affiliates, PC enrolled in Medicare?

Yes. Allergy & Asthma Affiliates, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy & Asthma Affiliates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 2 Medicare specialties reassign their Medicare billing to Allergy & Asthma Affiliates, PC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (7) and Allergy/Immunology (4). Of these, 10 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Allergy & Asthma Affiliates, PC was last updated on September 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.