Michael Eugene Klein, MD
Gastroenterology Physician · Glendale, CA
Michael Eugene Klein, MD is a gastroenterology physician with a practice address in Glendale, California, and NPI 1033205273, issued on Oct 5, 2006. Check the license (California A40483, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Eugene Klein
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A40483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1818 Verdugo Blvd, Glendale, CA 91208
- Phone
- (818) 952-5332
- Enumerated
- Oct 5, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (818) 790-6830
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1818 Verdugo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Eugene Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A40483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
3,359 Medicare Part D claims for 382 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 128 claims were for opioids.
Most prescribed
- Atorvastatin Calcium223 claims
- Levothyroxine Sodium179 claims
- Amlodipine Besylate147 claims
- Alprazolam127 claims
- Azithromycin107 claims
- Tramadol Hcl101 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: $29.14
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Michael Eugene Klein among 2,140 gastroenterology physician records in California
Michael Eugene Klein, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Glendale → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Zaree Babakhanian, M.D.Glendale, CA 912081194055640
- W. Mello, M.D.Glendale, CA 912081376549733
- Michael Mello, MDGlendale, CA 912081356571566
- Isaac Bartley, M.D.Glendale, CA 912061710088729
- Frederick Boghossian, M.D.Glendale, CA 912061841303849
- James Tabibian, M.D.Glendale, CA 912061831356732
- Avedis Tavitian, M.D.Glendale, CA 912051730144759
- Ara Tavitian, MDGlendale, CA 912051922063759
Common questions
What is Michael Eugene Klein, MD's NPI number?
Michael Eugene Klein, MD's National Provider Identifier (NPI) is 1033205273, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Eugene Klein, MD located?
The NPPES record lists a practice address at 1818 Verdugo Blvd, Glendale, CA, 91208. Phone: (818) 952-5332. Providers update this record themselves, so call before visiting.
How can I verify Michael Eugene Klein, MD's license?
NPPES lists California license number A40483, 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 Eugene Klein, MD prescribe under Medicare Part D?
In 2024, Michael Eugene Klein, MD had 3,359 Medicare Part D claims for 382 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.