Onyinye Agim, M.D.
NPI 1518121532 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Onyinye Agim, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1518121532).
Provider details
- NPI number
- 1518121532
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- N2360 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
94 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 | 62 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $181 |
| Advance Care Planning, First 30 Minutes99497 | 14 | $82 |
Typical Medicare-allowed amounts for these services range $82–$181 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 25 |
| Amlodipine Besylate | 49 | 19 |
| Olmesartan/Hydrochlorothiazidebrand: Olmesartan-Hydrochlorothiazide | 36 | 14 |
| Semaglutidebrand: Ozempic | 32 | — |
| Losartan Potassium | 31 | 11 |
| Hydrochlorothiazide | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 across 4 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
- 2008-07-18
- Last updated
- 2016-04-22
Frequently asked questions
- What is Onyinye Agim's NPI number?
- Onyinye Agim's National Provider Identifier (NPI) is 1518121532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Onyinye Agim's specialty?
- Onyinye Agim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Onyinye Agim located?
- Onyinye Agim's practice location on file with NPPES is 8314 Southwest Fwy, Houston, TX 77074-1603.
- What is Onyinye Agim's phone number?
- The practice phone number listed in the NPPES registry for Onyinye Agim is (713) 541-0095.
- Does Onyinye Agim accept Medicare?
- Onyinye Agim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Onyinye Agim's NPI active?
- Yes — Onyinye Agim's NPI (1518121532) is active in the NPPES registry as of the last update on 2016-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.