Michael A. Olerich, MD
Endocrinology, Diabetes & Metabolism Physician · Anaheim, CA
Michael A. Olerich, MD is an endocrinology, diabetes & metabolism physician with a practice address in Anaheim, California, and NPI 1013084961, issued on Nov 29, 2006. Check the license (California G67411, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael A. Olerich
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- G67411 CA
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (888) 988-2800
- Enumerated
- Nov 29, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110131000129); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
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Verify Michael A. Olerich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G67411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,326 Medicare Part D claims for 452 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Levothyroxine Sodium643 claims
- Liothyronine Sodium102 claims
- Nano 2nd Gen Pen Needle97 claims
- Insulin Glargine-Yfgn95 claims
- Forteo84 claims
- Methimazole84 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
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Olerich among 1,131 endocrinology, diabetes & metabolism physician records in California
Michael A. Olerich, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1988 · median 2003 among the 779 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Anaheim → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Ivan Martinez, M.D.Anaheim Hills, CA 928071023014800
- Mona Roy, MDAnaheim, CA 928071104997170
- Lilli Ann Cellona M D A Medical, M.D.Anaheim, CA 928081770516999
- Sara AhmedAnaheim, CA 928011609295468
- Wai Ping Li, D.O.Anaheim, CA 928011093032708
- Aleem Syed, MDAnaheim, CA 928011003828641
- Thomas Dougherty, M.D.Fullerton, CA 928321699712232
- Sonaina Imtiaz, MDFullerton, CA 928331376959510
Common questions
What is Michael A. Olerich, MD's NPI number?
Michael A. Olerich, MD's National Provider Identifier (NPI) is 1013084961, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Olerich, MD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Olerich, MD's license?
NPPES lists California license number G67411, 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 Michael A. Olerich, MD prescribe under Medicare Part D?
In 2024, Michael A. Olerich, MD had 2,326 Medicare Part D claims for 452 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.