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FUMILAYO HILARY WILLIAMS-IDAHAGBON M.D.
NPI 1093404204
Emergency Medicine in Hot Springs, AR

Active since May 03, 2023PECOS EnrolledAccepts Medicare Assignment
300 WERNER STREET, HOT SPRINGS, AR 71913(501) 622-1000(501) 622-1199 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 2, 2026, Oct 31, 2023, May 3, 2023 (3 updates tracked since 2023).

About Fumilayo Hilary Williams-idahagbon M.d. NPPES

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

FUMILAYO HILARY WILLIAMS-IDAHAGBON M.D. (NPI 1093404204) is an individual emergency medicine provider in Hot Springs, Arkansas, licensed in Oklahoma (47433) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1093404204
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameFUMILAYO HILARY WILLIAMS-IDAHAGBONCredential: M.D.
Location Address300 WERNER STREETHot Springs, AR 71913
Mailing Address300 Werner StreetHot Springs, AR 71913 · (501) 622-1000 · Fax (501) 622-1199
Phone(501) 622-1000
Fax(501) 622-1199
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 3, 2023
Last NPPES UpdateJune 2, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1093404204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OK · 47433
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
300 WERNER STREET, Hot Springs, AR 71913
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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

Fumilayo Hilary Williams-idahagbon M.d. 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 ID8022576362
PECOS Enrollment IDI20260818001459
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 Fumilayo Williams-idahagbon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usacs Observation Medicine Services Of Oklahoma, LLC
196 mi
Emergency Medicine
6161 S YALE AVE
Tulsa, OK 74136
  • Reassigned Medicare billing, Oklahoma enrollment
  • 300 clinicians in this Medicare group
NPI 1326739111 (844) 474-4019

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.

Ascension St John Jane Phillips

Acute Care Hospitals · Bartlesville, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370018
Location3500 East Frank Phillips BoulevardBartlesville, OK 74006 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71913 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
$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 5

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

FARHAN TARIQ M.D.
Student in an Organized Health Care Education/Training Program
300 WERNER STREET
HOT SPRINGS, AR 71913
Garland County (501) 318-6199
DR. HAMZA ARSHAD M.D.
Student in an Organized Health Care Education/Training Program
300 WERNER STREET
HOT SPRINGS, AR 71913
Garland County (501) 522-1000
MR. PHILLIP ANDREW COOPER CRNA
Nurse Anesthetist, Certified Registered
300 WERNER STREET
HOT SPRINGS, AR 71913
Garland County (501) 622-1875
RONALD ERIC VINSON CRNA
Nurse Anesthetist, Certified Registered
300 WERNER STREET
HOT SPRINGS, AR 71913
Garland County (501) 622-1875
REVA KAIN
Student in an Organized Health Care Education/Training Program
300 WERNER STREET
HOT SPRINGS, AR 71913
Garland County (501) 622-2175

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 Fumilayo Williams-idahagbon's NPI number?

The NPI number for Fumilayo Williams-idahagbon is 1093404204. It was assigned to this individual provider in the NPPES registry on May 3, 2023.

Where is Fumilayo Williams-idahagbon located?

Fumilayo Williams-idahagbon practices at 300 Werner Street, Hot Springs, AR 71913. The listed phone number is (501) 622-1000.

What is Fumilayo Williams-idahagbon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Fumilayo Williams-idahagbon enrolled in Medicare?

Yes. Fumilayo Williams-idahagbon 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 Fumilayo Williams-idahagbon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fumilayo Williams-idahagbon reassigns Medicare benefits to Usacs Observation Medicine Services Of Oklahoma, LLC (Tulsa, OK). 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 Fumilayo Williams-idahagbon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Fumilayo Williams-idahagbon affiliated with any hospitals?

According to CMS data, Fumilayo Williams-idahagbon is affiliated with Ascension St John Jane Phillips.

When was this NPI record last updated?

The NPPES record for Fumilayo Williams-idahagbon was last updated on June 2, 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.