Physician Profile
Unclaimed ProfileAbout MARQUEZ
Based in San Diego, CA, Luis Mario Marquez, M.D. is listed in the NPI registry under general practice. Luis is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Marquez?
Dr. Marquez is a general practice in San Diego, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL PRACTICE”.
NPI registry
What is Dr. Marquez's address?
Dr. Marquez is listed at 4060 FOURTH AVE STE 540, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Marquez?
The number on file is (619) 236-8796. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marquez?
Dr. Marquez's National Provider Identifier is 1801865795. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Marquez train?
Dr. Marquez attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marquez have?
Dr. Marquez has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marquez perform?
According to Medicare billing data, Dr. Marquez provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marquez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marquez. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (619) 236-8796
- Email not available
Practice Locations
4060 FOURTH AVE STE 540
San Diego, CA 92103
Procedures Most Often Billed to Medicare
597 services · 208 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
412 |
| Blood glucose (sugar) level | Lab test | 82947 |
124 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
46 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general practices in San Diego 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.