Margrit Ellen Carlson, MD
Infectious Disease Physician · Los Angeles, CA
Margrit Ellen Carlson, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1497780878, issued on Jul 12, 2006. Check the license (California G73936, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Margrit Ellen Carlson
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G73936 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1399 Roxbury Dr, Los Angeles, CA 90035
- Phone
- (310) 557-1891
- Enumerated
- Jul 12, 2006
- Record last updated
- Jun 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00G739360 CA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 1399 Roxbury Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emery Chang, MDInternal Medicine Physician1649221383
- Raphael Landovitz, MDInfectious Disease Physician1033153028
- Ardis Moe, MDInfectious Disease Physician1851408876
- Maria Palmer, P.A.Medical Physician Assistant1407198393
Verify Margrit Ellen Carlson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average infectious disease physician in 2024
234 Medicare Part D claims for 29 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Tivicay48 claims
- Pifeltro15 claims
- Ritonavir15 claims
- Biktarvy13 claims
- Triumeq13 claims
- Descovy12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Margrit Ellen Carlson among 1,119 infectious disease physician records in California
Margrit Ellen Carlson, 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
- Debika Bhattacharya, MDLos Angeles, CA 900351316937014
- Claire Brown, M.D.Los Angeles, CA 900351497970586
- Mary Cambou, M.D.Los Angeles, CA 900351174901219
- Kara Chew, M.D.Los Angeles, CA 900351013116557
- Raphael Landovitz, MDLos Angeles, CA 900351033153028
- Ardis Moe, MDLos Angeles, CA 900351851408876
- Bor-Han Chiu, D.O.Los Angeles, CA 900341306239470
- Jay Gladstein, M.D.Los Angeles, CA 900361154428613
Common questions
What is Margrit Ellen Carlson, MD's NPI number?
Margrit Ellen Carlson, MD's National Provider Identifier (NPI) is 1497780878, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margrit Ellen Carlson, MD located?
The NPPES record lists a practice address at 1399 Roxbury Dr, Los Angeles, CA, 90035. Phone: (310) 557-1891. Providers update this record themselves, so call before visiting.
How can I verify Margrit Ellen Carlson, MD's license?
NPPES lists California license number G73936, 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 Margrit Ellen Carlson, MD prescribe under Medicare Part D?
In 2024, Margrit Ellen Carlson, MD had 234 Medicare Part D claims for 29 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Margrit Ellen Carlson, MD's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.