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ALEXANDER THOMAS GRIER PA-C
NPI 1598645186
Physician Assistant in Knoxville, TN

Active since September 04, 2025PECOS EnrolledAccepts Medicare Assignment
1934 ALCOA HWY STE D-362, KNOXVILLE, TN 37920(865) 305-4670(865) 305-4671 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 5, 2026, Sep 4, 2025 (2 updates tracked since 2025).

About Alexander Thomas Grier Pa-c NPPES

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

ALEXANDER THOMAS GRIER PA-C (NPI 1598645186) is an individual physician assistant in Knoxville, Tennessee, licensed in Tennessee (6768) and active in the NPI registry since September 2025. He is enrolled in Medicare PECOS and is a graduate of Lincoln Memorial University Medical Department (2025).

NPPES Registry Identity

NPI1598645186
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameALEXANDER THOMAS GRIERCredential: PA-C
Location Address1934 ALCOA HWY STE D-362Knoxville, TN 37920-1524
Mailing Address1934 Alcoa Hwy Ste D-362Knoxville, TN 37920-1524 · (865) 305-4670 · Fax (865) 305-4671
Phone(865) 305-4670
Fax(865) 305-4671
Sole ProprietorNo
Medical School CMSLincoln Memorial University Medical DepartmentGraduated 2025
Enumeration DateSeptember 4, 2025
Last NPPES UpdateFebruary 5, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1598645186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in TN · 6768
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1934 ALCOA HWY STE D-362, Knoxville, TN 37920
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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

Alexander Thomas Grier Pa-c 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 ID7315425303
PECOS Enrollment IDI20260130003627
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.

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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES

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

MEKIA TRUCLAYE KAUFFMAN PA-C
Surgery (Plastic and Reconstructive Surgery)
1934 ALCOA HWY STE D-362
KNOXVILLE, TN 37920
Knox County (865) 305-6546

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 Alexander Grier's NPI number?

The NPI number for Alexander Grier is 1598645186. It was assigned to this individual provider in the NPPES registry on September 4, 2025.

Where is Alexander Grier located?

Alexander Grier practices at 1934 Alcoa Hwy Ste D-362, Knoxville, TN 37920. The listed phone number is (865) 305-4670.

What is Alexander Grier's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Alexander Grier enrolled in Medicare?

Yes. Alexander Grier 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.

When was this NPI record last updated?

The NPPES record for Alexander Grier was last updated on February 5, 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.