Gary Arthur Linnemann, M.D.
Preventive Medicine/Occupational Environmental Medicine Physician · Santa Ana, CA
Gary Arthur Linnemann, M.D. is a preventive medicine/occupational environmental medicine physician with a practice address in Santa Ana, California, and NPI 1124345848, issued on Apr 21, 2010. Check the license (California A041712, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary Arthur Linnemann
- Credential
- M.D.
- Primary taxonomy
- Preventive Medicine/Occupational Environmental Medicine Physician 2083P0500X
- License numbers
- A041712 CA
A41712 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1534 E Warner Ave, Santa Ana, CA 92705
- Phone
- (714) 557-5599
- Enumerated
- Apr 21, 2010
- Record last updated
- Apr 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 557-5005
- Entity
- Type 1 · individual
8 nearest preventive medicine/occupational environmental medicine physician records → All 129 in California → Look up another NPI →
Verify Gary Arthur Linnemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A041712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average preventive medicine/occupational environmental medicine physician in 2024
86 Medicare Part D claims, against an average of 626 among the 189 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl21 claims
- Rosuvastatin Calcium11 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.
Gary Arthur Linnemann among 129 preventive medicine/occupational environmental medicine physician records in California
Gary Arthur Linnemann, M.D. is one of 129 preventive medicine/occupational environmental medicine physician records with a practice address in California. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2010 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Preventive Medicine/Occupational Environmental Medicine Physician providers in California
There are 129 preventive medicine/occupational environmental medicine physician records in California.
All 129 in California → Every provider in Santa Ana → Preventive Medicine/Occupational Environmental Medicine Physician nationwide →
The 8 preventive medicine/occupational environmental medicine physician records with the nearest ZIP codes
- Ghanshyam Lohiya, MDSanta Ana, CA 927071104938679
- Jeffrey Vogel, M.D.Rancho Santa Margarita, CA 926881114218682
- Virginia Schaefer, MDLaguna Beach, CA 926511790952190
- David Cheshire, M.D.Huntington Beach, CA 926481134261829
- Roger Hinkson, MDHuntington Beach, CA 926461902923147
- Scott Nelson, D.O., FACEPLaguna Woods, CA 926371285696278
- Gonzalo Ruiz, M.D.Lake Forest, CA 926301982613253
- Ronald Wempen, MDIrvine, CA 926181497880538
Common questions
What is Gary Arthur Linnemann, M.D.'s NPI number?
Gary Arthur Linnemann, M.D.'s National Provider Identifier (NPI) is 1124345848, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gary Arthur Linnemann, M.D. located?
The NPPES record lists a practice address at 1534 E Warner Ave, Santa Ana, CA, 92705. Phone: (714) 557-5599. Providers update this record themselves, so call before visiting.
How can I verify Gary Arthur Linnemann, M.D.'s license?
NPPES lists California license number A041712, 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 Gary Arthur Linnemann, M.D. prescribe under Medicare Part D?
In 2024, Gary Arthur Linnemann, M.D. had 86 Medicare Part D claims; the average among preventive medicine/occupational environmental medicine physician prescribers was 626. 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.