Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OLUSEUN OSINOWO
NPI 1548614431
Nurse Practitioner - Family in Chicago, IL

Active since April 18, 2016PECOS EnrolledAccepts Medicare Assignment
25.6/100
CMS Quality Rating
4850 N SAWYER AVE STE 1, CHICAGO, IL 60625(872) 292-9958 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 24, 2026, Sep 16, 2025 (2 updates tracked since 2025).

About Oluseun Osinowo NPPES

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

OLUSEUN OSINOWO (NPI 1548614431) is an individual family provider in Chicago, Illinois, licensed in Illinois (277.001223) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1548614431
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameOLUSEUN OSINOWO
Location Address4850 N SAWYER AVE STE 1Chicago, IL 60625-5211
Mailing Address6930 S South Shore Dr, Apt 724Chicago, IL 60649-1887 · (773) 997-8757
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 18, 2016
Last NPPES UpdateAugust 24, 20262 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
NPI 1548614431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in IL · 277.001223
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 277001223 (IL)
4850 N SAWYER AVE STE 1, Chicago, IL 60625

Secondary Practice Locations 2

Location 123837 N Overhill Dr Ste 1Lake Zurich, IL 60047-8874 · Phone (872) 292-9958 ext. 78757
Location 2142 E 154th St Ste 1Harvey, IL 60426-3326 · Phone (872) 292-9958 ext. 78757

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Oluseun Osinowo 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 ID6507164803
PECOS Enrollment IDI20160420001307
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.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
653 services160 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
439 services194 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
267 services82 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
153 services48 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
140 services70 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
88 services44 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

25.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost85.36

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 Oluseun Osinowo's NPI number?

The NPI number for Oluseun Osinowo is 1548614431. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Where is Oluseun Osinowo located?

Oluseun Osinowo practices at 4850 N Sawyer Ave Ste 1, Chicago, IL 60625. The listed phone number is (872) 292-9958.

What is Oluseun Osinowo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Oluseun Osinowo enrolled in Medicare?

Yes. Oluseun Osinowo 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.

What insurance does Oluseun Osinowo accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and UnitedHealthcare list Oluseun Osinowo 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 Oluseun Osinowo was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.