ZACHARY DUANE GRIMES PA-C
NPI 1578298709
Physician Assistant in Chattanooga, TN

Q: What is Zachary Grimes's NPI number?

The NPI number for Zachary Grimes is 1578298709. It was assigned to this individual provider in the NPPES registry on July 21, 2022.

Q: What is Zachary Grimes's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Zachary Grimes was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since July 21, 2022PECOS Enrolled

2525 DESALES AVE STE F1009, CHATTANOOGA, TN 37404(423) 624-5200(423) 697-2320 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 12, 2025, Jul 21, 2022 (2 updates tracked since 2022).

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About Zachary Duane Grimes Pa-c NPPES

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

ZACHARY DUANE GRIMES PA-C (NPI 1578298709) is an individual physician assistant in Chattanooga, Tennessee and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS, is affiliated with Rhea Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1578298709

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameZACHARY DUANE GRIMESCredential: PA-C

Location Address2525 DESALES AVE STE F1009Chattanooga, TN 37404-1161

Mailing Address2501 Citico AveChattanooga, TN 37404-1127 · (423) 697-2000 · Fax (423) 697-2320

Phone(423) 624-5200

Fax(423) 697-2320

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateJuly 21, 2022

Last NPPES UpdateSeptember 12, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 12, 2025

✔ NPI 1578298709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

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.

2525 DESALES AVE STE F1009, Chattanooga, TN 37404

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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 (PECOS)

Zachary Duane Grimes Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4587169735

PECOS Enrollment IDI20250926002730

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.

Rhea Medical Center

Critical Access Hospitals · Dayton, TN

OwnershipGovernment - Local

CMS Certification Number441310

Location9400 Rhea County HighwayDayton, TN 37321 · Rhea County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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 9

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

BRETT ALEX MELNIKOFF MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)