Hiram Ndungu, M.D.
NPI 1649675315 · Internal Medicine Physician · Lufkin, TX
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hiram Ndungu, M.D. is a Internal Medicine Physician provider in Lufkin, TX (NPI 1649675315).
Provider details
- NPI number
- 1649675315
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R1427 (TX)
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
11 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
1,379 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 50 Minutes99233 | 861 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 191 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 184 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 143 | $165 |
Typical Medicare-allowed amounts for these services range $75–$165 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 25 | 23 |
| Pantoprazole Sodium | 22 | 22 |
| Cefdinir | 21 | 21 |
| Prednisone | 17 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 17 |
| Apixabanbrand: Eliquis | 17 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-10-23
- Last updated
- 2018-07-13
Frequently asked questions
- What is Hiram Ndungu's NPI number?
- Hiram Ndungu's National Provider Identifier (NPI) is 1649675315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hiram Ndungu's specialty?
- Hiram Ndungu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hiram Ndungu located?
- Hiram Ndungu's practice location on file with NPPES is 1201 W Frank Ave, Lufkin, TX 75904.
- What is Hiram Ndungu's phone number?
- The practice phone number listed in the NPPES registry for Hiram Ndungu is (936) 634-8111.
- Does Hiram Ndungu accept Medicare?
- Hiram Ndungu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hiram Ndungu's NPI active?
- Yes — Hiram Ndungu's NPI (1649675315) is active in the NPPES registry as of the last update on 2018-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.