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MRS. APRIL GULAY ERDAG MD
NPI 1790435337
Internal Medicine in Little Rock, AR

Active since March 26, 2022PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 641, LITTLE ROCK, AR 72205(501) 686-8000(501) 526-5148 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. April Gulay Erdag Md NPPES

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

MRS. APRIL GULAY ERDAG MD (NPI 1790435337) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-19048) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1790435337
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. APRIL GULAY ERDAGCredential: MD
Location Address4301 W MARKHAM ST # 641Little 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 1996
Enumeration DateMarch 26, 2022
Last NPPES UpdateJuly 25, 2025
NPPES CertifiedJuly 25, 2025
✔ NPI 1790435337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AR · E-19048
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4301 W MARKHAM ST # 641, Little Rock, AR 72205
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Arkansas Blue Cross and Blue Shield, Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. April Gulay Erdag 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 ID6709273097
PECOS Enrollment IDI20250807001972
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.

Medicare Billing Reassignment

Medicare enrollment records show April Erdag reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Arkansas For Medical Sciences
Same address
Advanced Practice Midwife
4301 W MARKHAM ST # 783
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 clinicians in this Medicare group
NPI 1043372220 (501) 686-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
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 19

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

DR. ALICE P ALEXANDER MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
THOMAS PLES SPRADLEY MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-1010
NATHAN JOHNSON
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5545
DR. ZACHARY WALKER TILLEY MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 526-1010
MATTHEW LAWS
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5545
MADISON B MORRIS MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. ELIZABETH CAROL GATH M.D.
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
ALEX JOHN CLAUSEN
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 April Erdag's NPI number?

The NPI number for April Erdag is 1790435337. It was assigned to this individual provider in the NPPES registry on March 26, 2022.

Where is April Erdag located?

April Erdag practices at 4301 W Markham St # 641, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is April Erdag's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is April Erdag enrolled in Medicare?

Yes. April Erdag 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.

Which organization bills Medicare for April Erdag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), April Erdag reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for April Erdag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does April Erdag accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list April Erdag 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 April Erdag was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.