Leslie Memsic, M.D.
Surgical Oncology Physician · Beverly Hills, CA
Leslie Memsic, M.D. is a surgical oncology physician with a practice address in Beverly Hills, California, and NPI 1821019456, issued on Jul 21, 2006. Check the license (California G496380, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leslie Memsic
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- G496380 CA
Self-reported in NPPES; status is on the state search - Practice location
- 436 N Bedford Dr, Beverly Hills, CA 90210
- Phone
- (310) 278-8200
- Enumerated
- Jul 21, 2006
- Record last updated
- Nov 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (310) 278-8230
- Medicaid ID
- 00G496380 CA
- Medicare enrollment
- Enrolled (PECOS I20120306000226); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 436 N Bedford Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Baker, M.D.Specialist1912901448
- Linda Barnes, PHDPsychologist1356349765
- Emily Bloom, M.D.Dermatology Physician1346469715
- Rodney Bluestone, M.D.Specialist1861496382
Verify Leslie Memsic in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G496380Check 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% more Medicare Part D claims than the average surgical oncology physician in 2024
163 Medicare Part D claims for 58 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Anastrozole42 claims
- Hydrocodone-Acetaminophen26 claims
- Tamoxifen Citrate13 claims
- Oxycodone-Acetaminophen12 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 MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Leslie Memsic among 250 surgical oncology physician records in California
Leslie Memsic, M.D. is one of 250 surgical oncology physician records with a practice address in California. 84% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 64% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1981 · median 2004 among the 184 with a school on file
- Record last updated2016 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in California
There are 250 surgical oncology physician records in California.
All 250 in California → Every provider in Beverly Hills → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Kristi Funk, M.D.Beverly Hills, CA 902111821115825
- Susan MasseyBeverly Hills, CA 902111619486644
- Stephanie Angarita, M.D.Downey, CA 902421003259219
- Robert Bennion, MDLos Angeles, CA 900951245253897
- Maggie Dinome, M.D.Los Angeles, CA 900951477589851
- James Economou, MDLos Angeles, CA 900951245244664
- Frederick Eilber, MDLos Angeles, CA 900951073527057
- Frederick Eilber, MDLos Angeles, CA 900951154346724
Common questions
What is Leslie Memsic, M.D.'s NPI number?
Leslie Memsic, M.D.'s National Provider Identifier (NPI) is 1821019456, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Memsic, M.D. located?
The NPPES record lists a practice address at 436 N Bedford Dr, Beverly Hills, CA, 90210. Phone: (310) 278-8200. Providers update this record themselves, so call before visiting.
How can I verify Leslie Memsic, M.D.'s license?
NPPES lists California license number G496380, 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 Leslie Memsic, M.D. prescribe under Medicare Part D?
In 2024, Leslie Memsic, M.D. had 163 Medicare Part D claims for 58 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Leslie Memsic, M.D.'s MIPS final score?
The 2023 MIPS final score is 30 of 100. 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.