Suzanne Cassel, MD
Allergy & Immunology (Internal Medicine) Physician · West Hollywood, CA
Suzanne Cassel, MD is an allergy & immunology (internal medicine) physician with a practice address in West Hollywood, California, and NPI 1316164015, issued on Apr 20, 2007. Check the license (California C143748, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Suzanne Cassel
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- C143748 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8700 Beverly Blvd Ste AC1150, West Hollywood, CA 90048
- Phone
- (310) 423-8784
- Enumerated
- Apr 20, 2007
- Record last updated
- Aug 11, 2025
- Fax
- (310) 423-2665
- Medicare enrollment
- Enrolled (PECOS I20160913002069); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 81 in California → Look up another NPI →
Also registered at 8700 Beverly Blvd Ste AC1150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yuri Matusov, M.D.Pulmonary Disease Physician1639553225
Verify Suzanne Cassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C143748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
90 Medicare Part D claims for 14 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Montelukast Sodium17 claims
- Nucala13 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): 87.7 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).
2 hospitals and group practices
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
- Cedars-Sinai Medical Care FoundationBeverly Hills, CA
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.
Suzanne Cassel among 81 allergy & immunology (internal medicine) physician records in California
Suzanne Cassel, MD is one of 81 allergy & immunology (internal medicine) physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 59% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2000 · median 2010 among the 46 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in California
There are 81 allergy & immunology (internal medicine) physician records in California.
All 81 in California → Every provider in West Hollywood → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Sheila Bonilla-Tandoc, MD, MSLos Angeles, CA 900331457387805
- Edward Hu, M.D.Los Angeles, CA 900331700045150
- Robert Meth, MDLos Angeles, CA 900671053387837
- Howard Strom, MDLos Angeles, CA 900681407153000
- William Klaustermeyer, MDLos Angeles, CA 900951265451165
- Joyce Lee, M.D.Los Angeles, CA 900951114243136
- Andre Nel, MDLos Angeles, CA 900951023037702
- Andrew Saxon, MDLos Angeles, CA 900951174543318
Common questions
What is Suzanne Cassel, MD's NPI number?
Suzanne Cassel, MD's National Provider Identifier (NPI) is 1316164015, issued on Apr 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Suzanne Cassel, MD located?
The NPPES record lists a practice address at 8700 Beverly Blvd Ste AC1150, West Hollywood, CA, 90048. Phone: (310) 423-8784. Providers update this record themselves, so call before visiting.
How can I verify Suzanne Cassel, MD's license?
NPPES lists California license number C143748, 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 Suzanne Cassel, MD prescribe under Medicare Part D?
In 2024, Suzanne Cassel, MD had 90 Medicare Part D claims for 14 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Suzanne Cassel, MD's MIPS final score?
The 2023 MIPS final score is 87.7 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.