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AARON JAMES DEYO MD
NPI 1902470453
Psychiatry & Neurology - Psychiatry in Knoxville, TN

Active since May 19, 2021PECOS EnrolledAccepts Medicare Assignment
1924 ALCOA HWY STE B-127, KNOXVILLE, TN 37920(865) 305-3636(865) 305-8261 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 22, 2026, Dec 17, 2025, Aug 2, 2021 and 1 more (4 updates tracked since 2021).

About Aaron James Deyo Md NPPES

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

AARON JAMES DEYO MD (NPI 1902470453) is an individual psychiatry provider in Knoxville, Tennessee, licensed in Tennessee (74460) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1902470453
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameAARON JAMES DEYOCredential: MD
Location Address1924 ALCOA HWY STE B-127Knoxville, TN 37920-6900
Mailing Address1924 Alcoa Hwy Ste B-127Knoxville, TN 37920-6900 · (865) 305-3636 · Fax (865) 305-8261
Phone(865) 305-3636
Fax(865) 305-8261
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 19, 2021
Last NPPES UpdateJanuary 22, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1902470453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in TN · 74460
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1924 ALCOA HWY STE B-127, Knoxville, TN 37920
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee.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

Aaron James Deyo 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 ID5294139507
PECOS Enrollment IDI20250731002002
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System, Inc

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440015
Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$160.89 typical visit price
range $52.64 – $160.89
Typical copayment $40.22 (range $13.16 – $40.22)
Most-billed visit code 99205
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Aaron Deyo's NPI number?

The NPI number for Aaron Deyo is 1902470453. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Aaron Deyo located?

Aaron Deyo practices at 1924 Alcoa Hwy Ste B-127, Knoxville, TN 37920. The listed phone number is (865) 305-3636.

What is Aaron Deyo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Aaron Deyo enrolled in Medicare?

Yes. Aaron Deyo 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.

What insurance does Aaron Deyo accept?

Health plans from BlueCross BlueShield of Tennessee list Aaron Deyo 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.

Is Aaron Deyo affiliated with any hospitals?

According to CMS data, Aaron Deyo is affiliated with University Health System, Inc.

When was this NPI record last updated?

The NPPES record for Aaron Deyo was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.