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DR. GREGORY TYLER RIVES MD
NPI 1104485648
Surgery in Little Rock, AR

Active since June 09, 2019PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 520, LITTLE ROCK, AR 72205(501) 686-8000(501) 526-5148 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 19, 2025, Jul 3, 2024, Jun 9, 2019 (3 updates tracked since 2019).

About Dr. Gregory Tyler Rives Md NPPES

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

DR. GREGORY TYLER RIVES MD (NPI 1104485648) is an individual surgery provider in Little Rock, Arkansas, licensed in Arkansas (E-19852) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Charleston, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1104485648
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. GREGORY TYLER RIVESCredential: MD
Location Address4301 W MARKHAM ST # 520Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000 · Fax (501) 526-5148
Phone(501) 686-8000
Fax(501) 526-5148
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 9, 2019
Last NPPES UpdateSeptember 19, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2025
✔ NPI 1104485648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in AR · E-19852✔ Licensed in SC · LL82795✔ Licensed in LA · 341799
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
4301 W MARKHAM ST # 520, Little Rock, AR 72205
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Secondary Practice Location 1

Location 196 Jonathan Lucas St Csb 423-A / Msc 613Charleston, SC 29425-0001 · Phone (843) 792-3072

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.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

Dr. Gregory Tyler Rives 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 ID6204166135
PECOS Enrollment IDI20240816002968, I20251007001026
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 72205 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
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 20

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

SANDRA MINERVA GARCIA OSOGOBIO MD
Colon & Rectal Surgery
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
MISS MARINNA RAEF TADROS MD
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 626-6627
MADELINE NACHTIGAL DO
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5205
LAUREN JOHNSON
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6912
ALEXANDRA GRACE OTWELL MD
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6627
DR. LEVI DANIEL WATSON MD
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6627
JOSEPH DELOACH
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6627
ZACHARY LEE SCHWARTZ
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 520
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6627

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 Gregory Rives's NPI number?

The NPI number for Gregory Rives is 1104485648. It was assigned to this individual provider in the NPPES registry on June 9, 2019.

Where is Gregory Rives located?

Gregory Rives practices at 4301 W Markham St # 520, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is Gregory Rives's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Rives enrolled in Medicare?

Yes. Gregory Rives 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 Gregory Rives accept?

Health plans from HMO Louisiana list Gregory Rives 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 Gregory Rives was last updated on September 19, 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.