OPEYEMI T AROYEWUN MD
NPI 1669096525
Internal Medicine - Pulmonary Disease in Austin, TX

Active since June 05, 2020PECOS EnrolledAccepts Medicare Assignment
1301 W 38TH ST STE 400, AUSTIN, TX 78705(512) 324-3340 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 15, 2026, Sep 3, 2024, Dec 11, 2021 and 1 more (4 updates tracked since 2020).

About Opeyemi T Aroyewun Md NPPES

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

OPEYEMI T AROYEWUN MD (NPI 1669096525) is an individual pulmonary disease provider in Austin, Texas, licensed in Texas (U8025) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Dell Seton Med Center At The University Of Tx, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1669096525
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameOPEYEMI T AROYEWUNCredential: MD
Location Address1301 W 38TH ST STE 400Austin, TX 78705-1017
Mailing Address1301 W 38th St Ste 400Austin, TX 78705-1017 · (512) 324-3340
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 5, 2020
Last NPPES UpdateMay 15, 20264 updates tracked since enumeration
NPPES CertifiedMay 15, 2026
✔ NPI 1669096525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in TX · U8025
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License U8025 (TX)
1301 W 38TH ST STE 400, Austin, TX 78705

Accepted 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

Opeyemi T Aroyewun 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 ID3274970108
PECOS Enrollment IDI20241127001033
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 Reassignments

3

Medicare enrollment records show Opeyemi Aroyewun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurological Surgery
1601 TRINITY ST STOP 704
Austin, TX 78712
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
Pulmonary Disease
3600 W PARMER LN STE 106
Austin, TX 78727
  • Reassigned Medicare billing, Texas enrollment
  • 14 clinicians in this Medicare group
Critical Care Medicine
1401 MEDICAL PKWY
Cedar Park, TX 78613
  • Reassigned Medicare billing, Texas enrollment
  • 104 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Dell Seton Med Center At The University Of Tx

Acute Care Hospitals · Austin, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450124
Location601 E 15th StreetAustin, TX 78701 · Travis County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78705 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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 7

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

Internal Medicine (Pulmonary Disease)
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Nurse Practitioner (Acute Care)
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Internal Medicine (Pulmonary Disease)
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Internal Medicine (Pulmonary Disease)
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Surgery (Vascular Surgery)
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Internal Medicine
1301 W 38TH ST STE 400
AUSTIN, TX 78705
Student in an Organized Health Care Education/Training Program
1301 W 38TH ST STE 400
AUSTIN, TX 78705

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 Opeyemi Aroyewun's NPI number?

The NPI number for Opeyemi Aroyewun is 1669096525. It was assigned to this individual provider in the NPPES registry on June 5, 2020.

Where is Opeyemi Aroyewun located?

Opeyemi Aroyewun practices at 1301 W 38th St Ste 400, Austin, TX 78705. The listed phone number is (512) 324-3340.

What is Opeyemi Aroyewun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Opeyemi Aroyewun enrolled in Medicare?

Yes. Opeyemi Aroyewun 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 organizations bill Medicare for Opeyemi Aroyewun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Opeyemi Aroyewun reassigns Medicare benefits to 3 organizations: Seton Family Of Doctors (Austin, TX), Austin Pulmonary Consultants PA (Austin, TX) and Usacs Critical Care Medicine Services Of Texas, PLLC (Cedar Park, TX). Each 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 Opeyemi Aroyewun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Opeyemi Aroyewun accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Opeyemi Aroyewun 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.

Is Opeyemi Aroyewun affiliated with any hospitals?

According to CMS data, Opeyemi Aroyewun is affiliated with Dell Seton Med Center At The University Of Tx.

When was this NPI record last updated?

The NPPES record for Opeyemi Aroyewun was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.