Omar Zantua, M.D.
NPI 1083675359 · Geriatric Medicine (Internal Medicine) Physician · Houston, TX
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omar Zantua, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Houston, TX (NPI 1083675359).
Provider details
- NPI number
- 1083675359
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M0614 (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
20 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
1,765 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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 618 | $103 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 596 | $71 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 216 | $103 |
| Advance Care Planning, First 30 Minutes99497 | 67 | $72 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 65 | $173 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 168 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 535 | 78 |
| Apixabanbrand: Eliquis | 366 | 32 |
| Sertraline Hcl | 350 | 48 |
| Gabapentin | 349 | 49 |
| Levothyroxine Sodium | 336 | 50 |
| Amlodipine Besylate | 305 | 48 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2014-04-04
Frequently asked questions
- What is Omar Zantua's NPI number?
- Omar Zantua's National Provider Identifier (NPI) is 1083675359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omar Zantua's specialty?
- Omar Zantua is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Omar Zantua located?
- Omar Zantua's practice location on file with NPPES is 8511 S Sam Houston Pkwy E, Houston, TX 77075-4857.
- What is Omar Zantua's phone number?
- The practice phone number listed in the NPPES registry for Omar Zantua is (713) 343-2301.
- Does Omar Zantua accept Medicare?
- Omar Zantua is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omar Zantua's NPI active?
- Yes — Omar Zantua's NPI (1083675359) is active in the NPPES registry as of the last update on 2014-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.