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DR. OLUFUNMILOLA AJALA MD
NPI 1821618760
Hospitalist in Alton, IL

Active since April 21, 2020PECOS Enrolled
1 MEMORIAL DR, ALTON, IL 62002(618) 463-7240(618) 463-7216 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 2, 2026, Jan 15, 2026, Jan 9, 2026 and 2 more (5 updates tracked since 2020).

About Dr. Olufunmilola Ajala Md NPPES

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

DR. OLUFUNMILOLA AJALA MD (NPI 1821618760) is an individual hospitalist provider in Alton, Illinois, licensed in Illinois (036176804) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1821618760
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. OLUFUNMILOLA AJALACredential: MD
Location Address1 MEMORIAL DRAlton, IL 62002-6722
Mailing AddressPo Box 959203Saint Louis, MO 63195-9203 · (618) 463-7240 · Fax (618) 463-7216
Phone(618) 463-7240
Fax(618) 463-7216
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 21, 2020
Last NPPES UpdateMarch 2, 20265 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
✔ NPI 1821618760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036176804
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036176804 (IL)
1 MEMORIAL DR, Alton, IL 62002
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Secondary Practice Locations 3

Location 12734 W 87th StChicago, IL 60652-3937 · Phone (773) 918-4700 · Fax (177) 331-3376
Location 26101 W 95th StOak Lawn, IL 60453-2735 · Phone (708) 261-0831 · Fax (773) 790-4077
Location 3101 Nicolls RdStony Brook, NY 11794-0001 · Phone (419) 291-8201

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Olufunmilola Ajala Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1557726031
PECOS Enrollment IDI20251107000479, I20260115001440
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 Olufunmilola Ajala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pmr Illinois Holding, LLC
1,064 mi
Specialist
1395 NW 167TH ST
Miami Gardens, FL 33169
  • Reassigned Medicare billing, Illinois enrollment
  • 75 clinicians in this Medicare group
NPI 1770038671 (305) 831-4760

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 62002 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
$131.14 typical visit price
range $56.28 – $173.35
Typical copayment $32.78 (range $14.07 – $43.33)
Most-billed visit code 99204
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
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 20

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

DIA M MILAZZO CRNA
Nurse Anesthetist, Certified Registered
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7311
DR. JULETTA AVAGYAN M.D.
Hospitalist
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7240
RODGER HANKO M.D.
Emergency Medicine
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7311
MATTHEW E DUBAN M.D., FACEP
Emergency Medicine
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7311
MS. SYLVIA G HOORMANN CRNA
Nurse Anesthetist, Certified Registered
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7311
MS. MEREDITH ANNE PARKER MSW, LCSW
Social Worker (Clinical)
1 MEMORIAL DR, 2ND FLOOR, OLIN WING
ALTON, IL 62002
Madison County (618) 463-7523
HOME CARE PHARMACY REFILL CTR
Pharmacy (Mail Order Pharmacy)
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7833
ALTON MEMORIAL HOSPITAL
Ambulance
1 MEMORIAL DR
ALTON, IL 62002
Madison County (618) 463-7311

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 Olufunmilola Ajala's NPI number?

The NPI number for Olufunmilola Ajala is 1821618760. It was assigned to this individual provider in the NPPES registry on April 21, 2020.

Where is Olufunmilola Ajala located?

Olufunmilola Ajala practices at 1 Memorial Dr, Alton, IL 62002. The listed phone number is (618) 463-7240.

What is Olufunmilola Ajala's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Olufunmilola Ajala enrolled in Medicare?

Yes. Olufunmilola Ajala is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Olufunmilola Ajala's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olufunmilola Ajala reassigns Medicare benefits to Pmr Illinois Holding, LLC (Miami Gardens, FL). 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 Olufunmilola Ajala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Olufunmilola Ajala was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.