Glenn Eric Mathisen, MD
Infectious Disease Physician · Los Angeles, CA
Glenn Eric Mathisen, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1376564948, issued on Jul 21, 2006. Check the license (California G44551, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Glenn Eric Mathisen
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G44551 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (818) 364-3205
- Enumerated
- Jul 21, 2006
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00G445510 CA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Glenn Eric Mathisen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average infectious disease physician in 2024
89 Medicare Part D claims for 19 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of 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: $34.04
1 payment: food and beverage; the largest payer was Insmed, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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.
Glenn Eric Mathisen among 1,119 infectious disease physician records in California
Glenn Eric Mathisen, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Los Angeles → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
- Timothy Brewer, MDLos Angeles, CA 900951174523245
- Judith Currier, MDLos Angeles, CA 900951508882614
- Milan Fiala, MDLos Angeles, CA 900951730270737
- Aric Gregson, MDLos Angeles, CA 900951588683007
- Bernard Kubak, MDLos Angeles, CA 900951831118876
- Michael Lovett, MDLos Angeles, CA 900951053330902
- Claire Panosian, MDLos Angeles, CA 900951114947892
Common questions
What is Glenn Eric Mathisen, MD's NPI number?
Glenn Eric Mathisen, MD's National Provider Identifier (NPI) is 1376564948, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Eric Mathisen, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (818) 364-3205. Providers update this record themselves, so call before visiting.
How can I verify Glenn Eric Mathisen, MD's license?
NPPES lists California license number G44551, 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 Glenn Eric Mathisen, MD prescribe under Medicare Part D?
In 2024, Glenn Eric Mathisen, MD had 89 Medicare Part D claims for 19 beneficiaries; the average among infectious disease physician prescribers was 689. 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.