NPPES file of Aug 9, 2026

Sonia N. Ahuja, M.D.

Internal Medicine Physician · Encinitas, CA

Sonia N. Ahuja, M.D. is an internal medicine physician with a practice address in Encinitas, California, and NPI 1528059490, issued on Oct 31, 2005. Check the license (California A66330, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528059490
Name
Sonia N. Ahuja
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A66330 CA
Self-reported in NPPES; status is on the state search
Practice location
354 Santa FE Dr, Encinitas, CA 92024
Phone
(760) 230-2251
Enumerated
Oct 31, 2005
Record last updated
Feb 5, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050708000466); accepts Medicare assignment
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.
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Also registered at 354 Santa FE Dr

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

  1. Neal Aaron, D.O.Emergency Medicine Physician1114283520
  2. Andrew Accardi, M.D.Emergency Medicine Physician1992781173
  3. Jeannette Aldous, MDInternal Medicine Physician1073650339
  4. Lauren Alexander, M.D.Emergency Medicine Physician1285898163
  5. Sam Alkass, PASurgical Physician Assistant1841428042
  6. Amy Aminlari, MDEmergency Medicine Physician1134329964

Verify Sonia N. Ahuja in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A66330
    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.

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5% more Medicare Part D claims than the average internal medicine physician in 2024

3,326 Medicare Part D claims for 131 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 104 claims were for opioids.

  1. Sonia Ahuja3,326
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium217 claims
  2. Eliquis204 claims
  3. Gabapentin165 claims
  4. Amlodipine Besylate114 claims
  5. Famotidine99 claims
  6. Levothyroxine Sodium88 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.

Bills Medicare through one group practice

  1. Scripps HealthLa Jolla, CA

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

Sonia N. Ahuja among 17,696 internal medicine physician records in California

Sonia N. Ahuja, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2004 among the 11,065 with a school on file
  • Record last updated2014 · 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).

63 internal medicine physician records list a practice address in Encinitas

They are 63 of the 1,874 NPPES records with a practice address in Encinitas, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Bickerton, M.D.Encinitas, CA 920241992778765
  2. Dolly Doctor, MDEncinitas, CA 920241205871456
  3. Taiye Gilles, M.D.Encinitas, CA 920241841232733
  4. Robert Huang, M.D.Encinitas, CA 920241164423851
  5. James Labelle, M.D.Encinitas, CA 920241750381372
  6. Robert Matorin, M.D.Encinitas, CA 920241972525343
  7. Alexie Nguyen, M.D.Encinitas, CA 920241659367613
  8. Bruce Sachs, M.D.Encinitas, CA 920241174537062

Common questions

What is Sonia N. Ahuja, M.D.'s NPI number?

Sonia N. Ahuja, M.D.'s National Provider Identifier (NPI) is 1528059490, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sonia N. Ahuja, M.D. located?

The NPPES record lists a practice address at 354 Santa FE Dr, Encinitas, CA, 92024. Phone: (760) 230-2251. Providers update this record themselves, so call before visiting.

How can I verify Sonia N. Ahuja, M.D.'s license?

NPPES lists California license number A66330, 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 Sonia N. Ahuja, M.D. prescribe under Medicare Part D?

In 2024, Sonia N. Ahuja, M.D. had 3,326 Medicare Part D claims for 131 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.