Dennis Nwachukwu, MD
NPI 1487633566 · Family Medicine Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Nwachukwu, MD is a Family Medicine Physician provider in Maywood, IL (NPI 1487633566).
Provider details
- NPI number
- 1487633566
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36101338 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
506 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 346 | $99 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 131 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $67 |
Typical Medicare-allowed amounts for these services range $67–$99 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 123 | 117 |
| Cephalexin | 64 | 60 |
| Azithromycin | 39 | 39 |
| Amoxicillin | 33 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 24 |
| Methylprednisolone | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Frequently asked questions
- What is Dennis Nwachukwu's NPI number?
- Dennis Nwachukwu's National Provider Identifier (NPI) is 1487633566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Nwachukwu's specialty?
- Dennis Nwachukwu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Nwachukwu located?
- Dennis Nwachukwu's practice location on file with NPPES is 2160 S First Ave, Maywood, IL 60153.
- What is Dennis Nwachukwu's phone number?
- The practice phone number listed in the NPPES registry for Dennis Nwachukwu is (708) 216-9000.
- Does Dennis Nwachukwu accept Medicare?
- Dennis Nwachukwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Nwachukwu's NPI active?
- Yes — Dennis Nwachukwu's NPI (1487633566) is active in the NPPES registry as of the last update on 2021-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.