Nnamdi Amachukwu, MD
NPI 1578138814 · Internal Medicine Physician · Longview, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nnamdi Amachukwu, MD is a Internal Medicine Physician provider in Longview, TX (NPI 1578138814).
Provider details
- NPI number
- 1578138814
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 341101 (LA)
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
5 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
336 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 | 132 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 131 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 40 | $107 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $161 |
Typical Medicare-allowed amounts for these services range $74–$161 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 30 | 18 |
| Furosemide | 24 | 12 |
| Famotidine | 15 | — |
| Prednisone | 15 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | — |
| Pantoprazole Sodium | 14 | 12 |
| Levofloxacin | 12 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 2 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
- 2021-05-20
- Last updated
- 2024-09-16
- Certified
- 2024-09-16
Frequently asked questions
- What is Nnamdi Amachukwu's NPI number?
- Nnamdi Amachukwu's National Provider Identifier (NPI) is 1578138814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nnamdi Amachukwu's specialty?
- Nnamdi Amachukwu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nnamdi Amachukwu located?
- Nnamdi Amachukwu's practice location on file with NPPES is 701 E Marshall Ave Ste 400, Longview, TX 75601-5595.
- What is Nnamdi Amachukwu's phone number?
- The practice phone number listed in the NPPES registry for Nnamdi Amachukwu is (903) 315-5600.
- Does Nnamdi Amachukwu accept Medicare?
- Nnamdi Amachukwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nnamdi Amachukwu's NPI active?
- Yes — Nnamdi Amachukwu's NPI (1578138814) is active in the NPPES registry as of the last update on 2024-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.