NPPES file of Aug 9, 2026

Aristotelis Theodore Laliotis, M.D.

Internal Medicine Physician · Del Mar, CA

Aristotelis Theodore Laliotis, M.D. is an internal medicine physician with a practice address in Del Mar, California, and NPI 1124076435, issued on May 5, 2006. Check the license (California A054580, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124076435
Name
Aristotelis Theodore Laliotis
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A054580 CA
Self-reported in NPPES; status is on the state search
Practice location
2600 Via DE LA Valle, Del Mar, CA 92014
Phone
(858) 499-2600
Enumerated
May 5, 2006
Record last updated
Aug 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(858) 309-3269
Medicare enrollment
Enrolled (PECOS I20041129000561); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1994
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2600 Via DE LA Valle

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Gleason, MDClinical Cardiac Electrophysiology Physician1700865045
  2. Andrea Munoz, PACMedical Physician Assistant1528165271
  3. Brent Rathbun, M.D.Internal Medicine Physician1720091697
  4. David Reynaldo, M.D.Internal Medicine Physician1386657187
  5. Ellenbeth Rodarte, M.D.Family Medicine Physician1205808714
  6. Richard Scott, M.D.Dermatology Physician1831102482

Verify Aristotelis Theodore Laliotis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A054580
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,729 Medicare Part D claims for 747 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 145 claims were for opioids.

  1. Aristotelis Laliotis7,729
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium638 claims
  2. Amlodipine Besylate286 claims
  3. Levothyroxine Sodium282 claims
  4. Losartan Potassium234 claims
  5. Metoprolol Succinate204 claims
  6. Rosuvastatin Calcium182 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.6
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $198.24

5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.

  1. Aristotelis Laliotis$198.24
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sharp Rees-Stealy Medical Group IncDel Mar, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aristotelis Theodore Laliotis among 17,696 internal medicine physician records in California

Aristotelis Theodore Laliotis, 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
  • Graduated1994 · median 2004 among the 11,065 with a school on file
  • Record last updated2015 · 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).

6 internal medicine physician records list a practice address in Del Mar

They are 6 of the 344 NPPES records with a practice address in Del Mar, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Brent Rathbun, M.D.Del Mar, CA 920141720091697
  2. David Reynaldo, M.D.Del Mar, CA 920141386657187
  3. Carl Trygstad, M.D.Del Mar, CA 920141649370206
  4. Valerie Youngblood, MDDel Mar, CA 920141538397815
  5. Steven Zizzo, MD MPH CCFP DABOM OHDel Mar, CA 920141821854910
  6. Lalitha Padmanabhan Aiyer, MDCarlsbad, CA 920111326373556
  7. Christine Kelso, MD, MPHCarlsbad, CA 920111821019753
  8. Valerie Novak, M.D.Carlsbad, CA 920111881769578

Common questions

What is Aristotelis Theodore Laliotis, M.D.'s NPI number?

Aristotelis Theodore Laliotis, M.D.'s National Provider Identifier (NPI) is 1124076435, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aristotelis Theodore Laliotis, M.D. located?

The NPPES record lists a practice address at 2600 Via DE LA Valle, Del Mar, CA, 92014. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.

How can I verify Aristotelis Theodore Laliotis, M.D.'s license?

NPPES lists California license number A054580, 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 Aristotelis Theodore Laliotis, M.D. prescribe under Medicare Part D?

In 2024, Aristotelis Theodore Laliotis, M.D. had 7,729 Medicare Part D claims for 747 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Aristotelis Theodore Laliotis, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.