Obinna Umunakwe, MD
NPI 1528422615 · Ophthalmology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Obinna Umunakwe, MD is a Ophthalmology Physician provider in Nashville, TN (NPI 1528422615).
Provider details
- NPI number
- 1528422615
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 62951 (TN)
Specialties & taxonomies
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
10 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
1,784 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 454 | $118 |
| Exam of Visual Field With Extended Testing92083 | 224 | $56 |
| Imaging of Retina92134 | 194 | $36 |
| Imaging of Optic Nerve92133 | 177 | $32 |
| Established Patient Complete Exam of Visual System92014 | 156 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 154 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 831 | 231 |
| Brimonidine Tartrate | 670 | 181 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 654 | 186 |
| Prednisolone Acetate | 383 | 201 |
| Ketorolac Tromethamine | 314 | 156 |
| Timolol Maleate | 224 | 70 |
| Moxifloxacin Hclbrand: Moxifloxacin | 209 | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$460 across 19 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
- 2016-04-05
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is Obinna Umunakwe's NPI number?
- Obinna Umunakwe's National Provider Identifier (NPI) is 1528422615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Obinna Umunakwe's specialty?
- Obinna Umunakwe is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Obinna Umunakwe located?
- Obinna Umunakwe's practice location on file with NPPES is 2004 Hayes St Ste 550, Nashville, TN 37203-2655.
- What is Obinna Umunakwe's phone number?
- The practice phone number listed in the NPPES registry for Obinna Umunakwe is (629) 255-2267.
- Does Obinna Umunakwe accept Medicare?
- Obinna Umunakwe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Obinna Umunakwe's NPI active?
- Yes — Obinna Umunakwe's NPI (1528422615) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.