Otuonye Onyewuchi, MD, MPH
NPI 1538354295 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Otuonye Onyewuchi, MD, MPH is a Internal Medicine Physician provider in Chicago, IL (NPI 1538354295).
Provider details
- NPI number
- 1538354295
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- 036118945 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
429 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $132 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 71 | $26 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 54 | $3 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 117 | 20 |
| Atorvastatin Calcium | 87 | 33 |
| Gabapentin | 81 | 35 |
| Furosemide | 55 | 14 |
| Amlodipine Besylate | 53 | 21 |
| Hydralazine Hcl | 52 | 15 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$574 across 11 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
Registry dates
- Enumerated
- 2007-09-06
- Last updated
- 2026-01-15
- Certified
- 2026-01-15
Frequently asked questions
- What is Otuonye Onyewuchi's NPI number?
- Otuonye Onyewuchi's National Provider Identifier (NPI) is 1538354295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Otuonye Onyewuchi's specialty?
- Otuonye Onyewuchi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Otuonye Onyewuchi located?
- Otuonye Onyewuchi's practice location on file with NPPES is 1750 E 87th St Ste 109, Chicago, IL 60617-2706.
- What is Otuonye Onyewuchi's phone number?
- The practice phone number listed in the NPPES registry for Otuonye Onyewuchi is (773) 933-9300.
- Does Otuonye Onyewuchi accept Medicare?
- Otuonye Onyewuchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Otuonye Onyewuchi's NPI active?
- Yes — Otuonye Onyewuchi's NPI (1538354295) is active in the NPPES registry as of the last update on 2026-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.