Lloyd Asuncion, MD
NPI 1437353034 · Internal Medicine Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lloyd Asuncion, MD is a Internal Medicine Physician provider in Antioch, CA (NPI 1437353034).
Provider details
- NPI number
- 1437353034
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BP1-0026595 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 364 | 150 |
| Amlodipine Besylate | 250 | 113 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 215 | 38 |
| Levothyroxine Sodium | 199 | 76 |
| Lisinopril | 182 | 77 |
| Hydrochlorothiazide | 158 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2021-12-15
Frequently asked questions
- What is Lloyd Asuncion's NPI number?
- Lloyd Asuncion's National Provider Identifier (NPI) is 1437353034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lloyd Asuncion's specialty?
- Lloyd Asuncion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lloyd Asuncion located?
- Lloyd Asuncion's practice location on file with NPPES is 4501 Sand Creek Rd, Antioch, CA 94531-8687.
- What is Lloyd Asuncion's phone number?
- The practice phone number listed in the NPPES registry for Lloyd Asuncion is (409) 789-1936.
- Does Lloyd Asuncion accept Medicare?
- Lloyd Asuncion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lloyd Asuncion's NPI active?
- Yes — Lloyd Asuncion's NPI (1437353034) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.