Nneka Onwubueke, M.D.
NPI 1518949767 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nneka Onwubueke, M.D. is a Internal Medicine Physician provider in Worcester, MA (NPI 1518949767).
Provider details
- NPI number
- 1518949767
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 217412 (MA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
297 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 132 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 131 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 34 | $113 |
Typical Medicare-allowed amounts for these services range $78–$117 (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.
Practice location
Mailing address
Additional practice locations (1)
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-8515Fax: (508) 334-6490
Registry dates
- Enumerated
- 2005-11-15
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Nneka Onwubueke's NPI number?
- Nneka Onwubueke's National Provider Identifier (NPI) is 1518949767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nneka Onwubueke's specialty?
- Nneka Onwubueke is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nneka Onwubueke located?
- Nneka Onwubueke's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Nneka Onwubueke's phone number?
- The practice phone number listed in the NPPES registry for Nneka Onwubueke is (508) 334-8515.
- Does Nneka Onwubueke accept Medicare?
- Nneka Onwubueke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nneka Onwubueke's NPI active?
- Yes — Nneka Onwubueke's NPI (1518949767) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.