EFRAIN ERNESTO LEE DIAZ MD
NPI 1316836232
Student in an Organized Health Care Education/Training Program in Little Rock, AR

Active since July 03, 2025PECOS Enrolled
4301 W MARKHAM ST # 517, LITTLE ROCK, AR 72205(501) 603-1508 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Efrain Ernesto Lee Diaz Md NPPES

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

EFRAIN ERNESTO LEE DIAZ MD (NPI 1316836232) is an individual student in an organized health care education/training program in Little Rock, Arkansas and active in the NPI registry since July 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316836232
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameEFRAIN ERNESTO LEE DIAZCredential: MD
Location Address4301 W MARKHAM ST # 517Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 517Little Rock, AR 72205-7101
Sole ProprietorYes
Enumeration DateJuly 3, 2025
NPPES CertifiedJuly 2, 2025
NPI 1316836232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

4301 W MARKHAM ST # 517, Little Rock, AR 72205

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Efrain Ernesto Lee Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pathology (Dermatopathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 517
LITTLE ROCK, AR 72205

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 Efrain Lee Diaz's NPI number?

The NPI number for Efrain Lee Diaz is 1316836232. It was assigned to this individual provider in the NPPES registry on July 3, 2025.

Where is Efrain Lee Diaz located?

Efrain Lee Diaz practices at 4301 W Markham St # 517, Little Rock, AR 72205. The listed phone number is (501) 603-1508.

What is Efrain Lee Diaz's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Efrain Lee Diaz enrolled in Medicare?

Yes. Efrain Lee Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Efrain Lee Diaz was last updated on July 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.