Terence Lou Agustin, MD
NPI 1831345123 · Internal Medicine Physician · Henderson, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terence Lou Agustin, MD is a Internal Medicine Physician provider in Henderson, NV (NPI 1831345123).
Provider details
- NPI number
- 1831345123
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14777 (NV)
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
17 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
311 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 168 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $85 |
| Assessment of Emotional Or Behavioral Problems96127 | 28 | $5 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 21 | $6 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $163 |
Typical Medicare-allowed amounts for these services range $5–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 466 | 165 |
| Amlodipine Besylate | 382 | 114 |
| Lisinopril | 245 | 77 |
| Levothyroxine Sodium | 190 | 57 |
| Metformin Hcl | 167 | 57 |
| Losartan Potassium | 161 | 53 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-18
- Last updated
- 2021-07-02
- Certified
- 2021-07-02
Frequently asked questions
- What is Terence Lou Agustin's NPI number?
- Terence Lou Agustin's National Provider Identifier (NPI) is 1831345123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terence Lou Agustin's specialty?
- Terence Lou Agustin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terence Lou Agustin located?
- Terence Lou Agustin's practice location on file with NPPES is 525 Marks Street, Henderson, NV 89014.
- What is Terence Lou Agustin's phone number?
- The practice phone number listed in the NPPES registry for Terence Lou Agustin is (702) 671-1000.
- Does Terence Lou Agustin accept Medicare?
- Terence Lou Agustin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terence Lou Agustin's NPI active?
- Yes — Terence Lou Agustin's NPI (1831345123) is active in the NPPES registry as of the last update on 2021-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.