NPPES file of Aug 9, 2026

James A. Modlinger, M.D.

Internal Medicine Physician · Thousand Oaks, CA

James A. Modlinger, M.D. is an internal medicine physician with a practice address in Thousand Oaks, California, and NPI 1770521056, issued on Jun 2, 2006. Check the license (California G014555, 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
1770521056
Name
James A. Modlinger
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G014555 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Newbury RD, Thousand Oaks, CA 91320
Phone
(805) 375-5801
Enumerated
Jun 2, 2006
Record last updated
Jul 13, 2026
Fax
(805) 375-5080
Medicare enrollment
Enrolled (PECOS I20060406000595); may accept Medicare assignment
Medical or professional school
New York University School Of Medicine, 1966
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 1000 Newbury RD

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

  1. Manijeh Ezatvar, RPTSpecialist1598909855
  2. Ardeshir Farshidi, M.D.Clinical Cardiac Electrophysiology Physician1790703643
  3. Jerald Hong, DDSGeneral Practice Dentistry1306920616
  4. Kari Hong, D.D.S.General Practice Dentistry1699099093
  5. Nosrat Javidan, M.D.Orthopaedic Surgery Physician1417911926
  6. Bruce Kaplan, D.C.Chiropractor1861651564

Verify James A. Modlinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G014555
    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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54% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,462 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. James Modlinger1,462
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium210 claims
  2. Ezetimibe185 claims
  3. Metoprolol Succinate133 claims
  4. Jardiance62 claims
  5. Eliquis55 claims
  6. Amlodipine Besylate49 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: $1,675.57

45 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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. James Modlinger$1,675.57
  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.

62 internal medicine physician records list a practice address in Thousand Oaks

They are 62 of the 2,434 NPPES records with a practice address in Thousand Oaks, 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 James A. Modlinger, M.D.'s NPI number?

James A. Modlinger, M.D.'s National Provider Identifier (NPI) is 1770521056, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James A. Modlinger, M.D. located?

The NPPES record lists a practice address at 1000 Newbury RD, Thousand Oaks, CA, 91320. Phone: (805) 375-5801. Providers update this record themselves, so call before visiting.

How can I verify James A. Modlinger, M.D.'s license?

NPPES lists California license number G014555, 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 James A. Modlinger, M.D. prescribe under Medicare Part D?

In 2024, James A. Modlinger, M.D. had 1,462 Medicare Part D claims for 88 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.