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.
- 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
Also registered at 1000 Newbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James A. Modlinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G014555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Rosuvastatin Calcium210 claims
- Ezetimibe185 claims
- Metoprolol Succinate133 claims
- Jardiance62 claims
- Eliquis55 claims
- 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.
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.
All 62 in Thousand Oaks → All 17,696 in California → Every provider in Thousand Oaks →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- 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.