NPPES file of Aug 9, 2026

Michael A. Sonson, MD

Neurology Physician · West Hollywood, CA

Michael A. Sonson, MD is a neurology physician with a practice address in West Hollywood, California, and NPI 1154941441, issued on Apr 16, 2020. Check the license (California A193730, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154941441
Name
Michael A. Sonson
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
A193730 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd, West Hollywood, CA 90048
Phone
(310) 423-6472
Enumerated
Apr 16, 2020
Record last updated
May 5, 2026
Fax
(310) 423-0148
Medicare enrollment
Enrolled (PECOS I20240717004802); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8700 Beverly Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ryan Abdul-HaqqVascular Surgery Physician1386087864
  2. Sina Abedi, MDAnesthesiology Physician1497558951
  3. Gohar AbrahamryanPhysician Assistant1871729715
  4. Barham Abu Dayyeh, MDGastroenterology Physician1902927353
  5. Anisa Abu-Ramaileh, PHARM.D., BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1447769732
  6. Jay Acharya, MDNeuroradiology Physician1871995498

Verify Michael A. Sonson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A193730
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average neurology physician in 2024

71 Medicare Part D claims for 21 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Sonson71
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl12 claims
  2. Gabapentin11 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: $74.61

1 payment: food and beverage; the largest payer was Amgen Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Sonson$74.61
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Michael A. Sonson among 2,339 neurology physician records in California

Michael A. Sonson, 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 2020, is newer than 91% of them.

  • NPI issued2020 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2006 among the 1,628 with a school on file
  • Record last updated2026 · 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.

The 8 neurology physician records with the nearest ZIP codes

  1. Cameron Adams, M.D.West Hollywood, CA 900481346247392
  2. Karen Altman, MDWest Hollywood, CA 900481518912211
  3. Robert Baloh, MD PHDWest Hollywood, CA 900481164440699
  4. Andrew Blumenfeld, M.D.Los Angeles, CA 900481164459913
  5. Yvette Bordelon, MDLos Angeles, CA 900481922023449
  6. Maria Brickman, M.D.Los Angeles, CA 900481538107230
  7. Jeffrey Chung, MDWest Hollywood, CA 900481437106366
  8. Douglas Davies, M.D.Los Angeles, CA 900481326073222

Common questions

What is Michael A. Sonson, MD's NPI number?

Michael A. Sonson, MD's National Provider Identifier (NPI) is 1154941441, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Sonson, MD located?

The NPPES record lists a practice address at 8700 Beverly Blvd, West Hollywood, CA, 90048. Phone: (310) 423-6472. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Sonson, MD's license?

NPPES lists California license number A193730, 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. Sonson, MD prescribe under Medicare Part D?

In 2024, Michael A. Sonson, MD had 71 Medicare Part D claims for 21 beneficiaries; the average among neurology physician prescribers was 1,370. 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.