Maria Lourdes De Los Santos Mara, M.D.
Internal Medicine Physician · San Diego, CA
Maria Lourdes De Los Santos Mara, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1376515924, issued on Feb 7, 2006. Check the license (California A51864, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Lourdes De Los Santos Mara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A51864 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2939 Alta View Dr, San Diego, CA 92139
- Phone
- (619) 475-5411
- Enumerated
- Feb 7, 2006
- Record last updated
- Apr 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (619) 475-1839
- Medicaid ID
- 00A518642 CA
- Medicare enrollment
- Enrolled (PECOS I20100817001431); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2939 Alta View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gema Higuera, DDSDentist1518821479
Verify Maria Lourdes De Los Santos Mara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A51864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,644 Medicare Part D claims for 412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium816 claims
- Amlodipine Besylate586 claims
- Losartan Potassium539 claims
- Metformin Hcl482 claims
- Jardiance198 claims
- Simvastatin186 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $403.41
5 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Maria Lourdes De Los Santos Mara among 17,696 internal medicine physician records in California
Maria Lourdes De Los Santos Mara, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
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- Jacob WyseSan Diego, CA 921351619599354
- Joseph Boone, DOSan Diego, CA 921341558946947
- Derek Booth, DOSan Diego, CA 921341699397554
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Common questions
What is Maria Lourdes De Los Santos Mara, M.D.'s NPI number?
Maria Lourdes De Los Santos Mara, M.D.'s National Provider Identifier (NPI) is 1376515924, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Lourdes De Los Santos Mara, M.D. located?
The NPPES record lists a practice address at 2939 Alta View Dr, San Diego, CA, 92139. Phone: (619) 475-5411. Providers update this record themselves, so call before visiting.
How can I verify Maria Lourdes De Los Santos Mara, M.D.'s license?
NPPES lists California license number A51864, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Lourdes De Los Santos Mara, M.D. prescribe under Medicare Part D?
In 2024, Maria Lourdes De Los Santos Mara, M.D. had 7,644 Medicare Part D claims for 412 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.