Carlos Portera-Cailliau, MD
Neurology Physician · Los Angeles, CA
Carlos Portera-Cailliau, MD is a neurology physician with a practice address in Los Angeles, California, and NPI 1659390094, issued on Jul 18, 2006. Check the license (California A89610, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carlos Portera-Cailliau
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A89610 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 794-1195
- Enumerated
- Jul 18, 2006
- Record last updated
- Jan 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 794-7491
- Medicaid ID
- 00A896100 CA
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlos Portera-Cailliau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average neurology physician in 2024
17 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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): 88 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).
Carlos Portera-Cailliau among 2,339 neurology physician records in California
Carlos Portera-Cailliau, MD is one of 2,339 neurology physician records with a practice address in California. 81% 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Los Angeles → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- David Alexander, M.D.Los Angeles, CA 900951154371334
- Robert Baloh, MDLos Angeles, CA 900951801811252
- Ronnie Bergen, MDLos Angeles, CA 900951750353488
- Timothy Cloughesy, MDLos Angeles, CA 900951154356053
- Robert Collins, MDLos Angeles, CA 900951871518233
- Jeffrey Cummings, MDLos Angeles, CA 900951457376329
- Dawn Eliashiv, M.D.Los Angeles, CA 900951144286162
- Neeta Garg, MDLos Angeles, CA 900951649242728
Common questions
What is Carlos Portera-Cailliau, MD's NPI number?
Carlos Portera-Cailliau, MD's National Provider Identifier (NPI) is 1659390094, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Portera-Cailliau, MD located?
The NPPES record lists a practice address at 300 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 794-1195. Providers update this record themselves, so call before visiting.
How can I verify Carlos Portera-Cailliau, MD's license?
NPPES lists California license number A89610, 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 Carlos Portera-Cailliau, MD prescribe under Medicare Part D?
In 2024, Carlos Portera-Cailliau, MD had 17 Medicare Part D claims; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Carlos Portera-Cailliau, MD's MIPS final score?
The 2023 MIPS final score is 88 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.