NPPES file of Aug 9, 2026

Paul S. Aijian, M.D.

Internal Medicine Physician · Santa Barbara, CA

Paul S. Aijian, M.D. is an internal medicine physician with a practice address in Santa Barbara, California, and NPI 1902898869, issued on Aug 17, 2005. Check the license (California G34375, 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
1902898869
Name
Paul S. Aijian
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G34375 CA
Self-reported in NPPES; status is on the state search
Practice location
200 N LA Cumbre RD, Santa Barbara, CA 93110
Phone
(805) 682-7201
Enumerated
Aug 17, 2005
Record last updated
Jul 7, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
1902898869 CA
Medicare enrollment
Enrolled (PECOS I20100917000770); may accept Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1976
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 200 N LA Cumbre RD

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

  1. Chris Barham, RDHDental Hygienist1609152982
  2. Douglas Duncan, M.D.Family Medicine Physician1932219086
  3. Jon Dunn, D.D.S.General Practice Dentistry1811028590
  4. Kirk Gilbert, M.D.Family Medicine Physician1346242344
  5. Gerald Malovos, DDSOrthodontics and Dentofacial Orthopedics Dentistry1639579782
  6. Robert Nunez, D.D.SGeneral Practice Dentistry1396967048

Verify Paul S. Aijian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G34375
    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

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35% more Medicare Part D claims than the average internal medicine physician in 2024

4,297 Medicare Part D claims for 355 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 76 claims were for opioids.

  1. Paul Aijian4,297
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium301 claims
  2. Levothyroxine Sodium254 claims
  3. Losartan-Hydrochlorothiazide157 claims
  4. Amlodipine Besylate144 claims
  5. Losartan Potassium139 claims
  6. Metformin Hcl124 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 MIPS final score for 2023 (Medicare payment program): 18.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score15.0
  2. Costout of 100 · 30%38.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $33.18

2 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. Paul Aijian$33.18
  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.

129 internal medicine physician records list a practice address in Santa Barbara

They are 129 of the 5,328 NPPES records with a practice address in Santa Barbara, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Paul S. Aijian, M.D.'s NPI number?

Paul S. Aijian, M.D.'s National Provider Identifier (NPI) is 1902898869, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Paul S. Aijian, M.D. located?

The NPPES record lists a practice address at 200 N LA Cumbre RD, Santa Barbara, CA, 93110. Phone: (805) 682-7201. Providers update this record themselves, so call before visiting.

How can I verify Paul S. Aijian, M.D.'s license?

NPPES lists California license number G34375, 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 Paul S. Aijian, M.D. prescribe under Medicare Part D?

In 2024, Paul S. Aijian, M.D. had 4,297 Medicare Part D claims for 355 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Paul S. Aijian, M.D.'s MIPS final score?

The 2023 MIPS final score is 18.8 of 100. 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.