Ronald Tejada, MD
NPI 1407165079 · Internal Medicine Physician · Lakewood, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Tejada, MD is a Internal Medicine Physician provider in Lakewood, CA (NPI 1407165079).
Provider details
- NPI number
- 1407165079
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A118334 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 39 | 34 |
| Amlodipine Besylate | 22 | 21 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 20 | 13 |
| Tamsulosin Hcl | 20 | 19 |
| Atorvastatin Calcium | 19 | 19 |
| Apixabanbrand: Eliquis | 19 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$169 across 1 record (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
- 2010-09-30
- Last updated
- 2012-10-01
Frequently asked questions
- What is Ronald Tejada's NPI number?
- Ronald Tejada's National Provider Identifier (NPI) is 1407165079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Tejada's specialty?
- Ronald Tejada is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Tejada located?
- Ronald Tejada's practice location on file with NPPES is 3300 E South St, Lakewood, CA 90805-4549.
- What is Ronald Tejada's phone number?
- The practice phone number listed in the NPPES registry for Ronald Tejada is (562) 531-0377.
- Does Ronald Tejada accept Medicare?
- Ronald Tejada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Tejada's NPI active?
- Yes — Ronald Tejada's NPI (1407165079) is active in the NPPES registry as of the last update on 2012-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.