Oluseun Osinowo
NPI 1548614431 · Psychiatric/Mental Health Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oluseun Osinowo is a Psychiatric/Mental Health Nurse Practitioner provider in Chicago, IL (NPI 1548614431).
Provider details
- NPI number
- 1548614431
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 209014022 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,191 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 653 | $65 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 439 | $65 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 267 | $94 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 153 | $135 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 140 | $94 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 638 | 47 |
| Risperidone | 634 | 40 |
| Quetiapine Fumarate | 436 | 37 |
| Haloperidol | 309 | 16 |
| Valbenazine Tosylatebrand: Ingrezza | 240 | 27 |
| Atorvastatin Calcium | 238 | 23 |
| Donepezil Hcl | 188 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$449 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 142 E 154th St Ste 1Harvey, IL 60426-3326Phone: (872) 292-9958
- 23837 N Overhill Dr Ste 1Lake Zurich, IL 60047-8874Phone: (872) 292-9958
Registry dates
- Enumerated
- 2016-04-18
- Last updated
- 2025-09-16
- Certified
- 2025-09-16
Frequently asked questions
- What is Oluseun Osinowo's NPI number?
- Oluseun Osinowo's National Provider Identifier (NPI) is 1548614431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oluseun Osinowo's specialty?
- Oluseun Osinowo is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oluseun Osinowo located?
- Oluseun Osinowo's practice location on file with NPPES is 4850 N Sawyer Ave Ste 1, Chicago, IL 60625-5211.
- What is Oluseun Osinowo's phone number?
- The practice phone number listed in the NPPES registry for Oluseun Osinowo is (872) 292-9958.
- Does Oluseun Osinowo accept Medicare?
- Oluseun Osinowo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oluseun Osinowo's NPI active?
- Yes — Oluseun Osinowo's NPI (1548614431) is active in the NPPES registry as of the last update on 2025-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.