Dr. Leslie F. Memsic, MD
- Medicare services, 2024
- 1,422
- Medicare patients, 2024
- 441
- Part D claims, 2024
- 163
- Publications
- 3
- MIPS score, 2024
- 75
- Practice address
- 436 N Bedford Dr, Beverly Hills, CA 90210
- Practice phone
- Call (310) 385-8819
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Innova Surgery Center, LLC
Beverly Hills, California
Find Dr. Memsic's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Leslie F. Memsic is a surgical oncologist in Beverly Hills, California
Dr. Memsic practices at Innova Surgery Center, LLC in Beverly Hills, California.
Dr. Memsic's NPI, 1821019456, was assigned on July 21, 2006. Dr. Memsic graduated from UC San Diego School of Medicine in 1981. Dr. Memsic holds California license G496380.
- NPI
- 1821019456NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123287497
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 385-8819
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leslie F. Memsic practices at Innova Surgery Center, LLC in Beverly Hills, California
Dr. Memsic's primary practice is Innova Surgery Center, LLC, at 436 N Bedford Dr, Beverly Hills, CA 90210 in Los Angeles County. The practice phone is (310) 385-8819.
- Innova Surgery Center, LLC436 N Bedford Dr, Beverly Hills, CA 90210 · Los Angeles CountyPhone(310) 385-8819
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leslie F. Memsic is affiliated with 7 sites of care and 2 medical groups
Dr. Memsic's primary practice is Innova Surgery Center, LLC in Beverly Hills, California. Dr. Memsic is also affiliated with Cedars-Sinai Medical Center. Dmand AI also links Dr. Memsic to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leslie F. Memsic's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Memsic practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Innova Surgery Center, LLC | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leslie F. Memsic is one of 243 surgical oncologists in California
Surgical oncology is Dr. Memsic's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Memsic is board certified in surgery by the American Board of Surgery. Dr. Memsic is licensed in California.
Specialties and state licenses
- Surgical oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, breast reconstruction, colon removal, groin hernia surgery and mastectomy among the conditions Dr. Memsic treats.
Surgical oncologists near Dr. Memsic
Counts of surgical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leslie F. Memsic billed Medicare for 1,422 services in 2024
CMS data shows 1,422 Medicare services from Dr. Memsic across 14 procedure codes in 2024, for 441 Medicare patients. Medicare paid $159,334 for them.
Dr. Memsic's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6112024: 67010%
- Imaging
- 2023: 4972024: 63628%
- Surgery
- 2023: 682024: 11671%
Where Dr. Memsic's Medicare services took place, 2024
- In an office1,32493%
- In a facility987%
Dr. Memsic compared with the California median for surgical oncologists, 2024
- Dr. Memsic
- California median
- Medicare services
- 1,422vs 1728.3 times
- Medicare patients
- 441vs 1114.0 times
- Part D claims
- 93vs 224.2 times
Medians across 217 surgical oncologists in California with Dmand AI profiles that report each measure.
Dr. Memsic's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Memsic?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Memsic and other surgical oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leslie F. Memsic treated 441 Medicare patients in 2024, average age 73
CMS counts 441 Medicare patients who saw Dr. Memsic in 2024. The largest group is 65 to 74, with 243 patients. 75% of them have high cholesterol, and 58% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Memsic's median patient age at 67, with 92% women.
Dr. Memsic's Medicare patients by age, 2024
Dr. Memsic's Medicare patients by sex, 2024
- Women40893%
- Men337%
Chronic conditions among Dr. Memsic's Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
- Arthritis51%
- Cancer47%
- Osteoporosis32%
- Ischemic heart disease29%
- Anxiety23%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Memsic's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women92%
- Men6%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leslie F. Memsic wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Memsic wrote 163 Medicare Part D claims for 58 patients. 95% of them were for generic drugs. CMS names the drug for 93 of them, across 4 drugs with 11 or more claims each, at $1,622 in total drug cost. In 2023, CMS named 80 claims across 3 drugs.
Dr. Memsic's Part D claims by kind of drug, 2024
- Generic155 claims95%
- Brand-name and other8 claims5%
Dr. Memsic's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Memsic's Part D claims, 2024
- Opioids30%49 of 163 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 802024: 9316%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Leslie F. Memsic scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Memsic for performance year 2024, reported individually. Dr. Memsic accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Memsic as offering telehealth. CMS counts 49 procedures of mastectomy by Dr. Memsic, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Memsic ranks in Medicare procedure volume
- Mastectomy
- 94th percentile49 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leslie F. Memsic has 3 publications on record
Dmand AI links 3 papers to Dr. Memsic. Dr. Memsic's most frequent co-authors are Allan W. Silberman, MD, Stewart Howard Gleischman, MD and Solomon I. Hamburg, MD.
Dr. Memsic's most frequent co-authors
- Allan W. Silberman, MD3 shared papers
- Stewart Howard Gleischman, MD1 shared paper
- Solomon I. Hamburg, MD1 shared paper
Recent publications by Dr. Memsic
J Surg Oncol
J Nucl Med
See who Dr. Memsic researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Memsic works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leslie F. Memsic received $237 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Memsic from 5 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Rti Surgical, Inc paid the most, $92.
General payments to Dr. Memsic by program year, 2018 to 2025
Companies that paid Dr. Memsic the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leslie F. Memsic has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Memsic, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Memsic
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
- Undated
- ACS Fellow
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Leslie F. Memsic graduated from UC San Diego School of Medicine
Dr. Memsic graduated from UC San Diego School of Medicine in 1981. Dr. Memsic is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Leslie F. Memsic accepts plans from 4 insurance carriers
Dr. Memsic is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Memsic accepts, by number of carriers
- Medicare4
- PPO3
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leslie F. Memsic's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leslie F. Memsic
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leslie F. Memsic's NPI number?
Dr. Leslie F. Memsic's NPI number is 1821019456. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leslie F. Memsic?
Dr. Leslie F. Memsic is a surgical oncologist in Beverly Hills, California. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Leslie F. Memsic practice?
Dr. Memsic practices at 436 N Bedford Dr, Beverly Hills, CA 90210. Dr. Memsic's primary practice is Innova Surgery Center, LLC in Beverly Hills, California. Dmand AI also links Dr. Memsic to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 physician office.
What is Dr. Leslie F. Memsic's office phone number?
The practice phone on file for Dr. Memsic is (310) 385-8819.
What is Dr. Leslie F. Memsic's medical license number?
Dr. Memsic holds California license G496380.
Which hospitals is Dr. Leslie F. Memsic affiliated with?
Dr. Memsic is affiliated with Cedars-Sinai Medical Center. Dmand AI links Dr. Memsic to 2 more hospitals.
Does Dr. Leslie F. Memsic accept Medicare?
Yes. CMS data shows Dr. Memsic billed Medicare for 1,422 services in 2024, and Dr. Memsic accepts Medicare assignment.
Does Dr. Leslie F. Memsic offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Memsic as offering telehealth services.
What is Dr. Leslie F. Memsic's MIPS score?
Dr. Memsic's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Leslie F. Memsic see?
CMS counts 441 Medicare patients who saw Dr. Memsic in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Leslie F. Memsic board certified?
Yes. Dr. Memsic is board certified in surgery by the American Board of Surgery.
What services does Dr. Leslie F. Memsic bill to Medicare?
In 2024, Dr. Memsic's most billed Medicare services were ultrasound (76641), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Leslie F. Memsic go to medical school?
Dr. Memsic graduated from UC San Diego School of Medicine in 1981.
What drugs does Dr. Leslie F. Memsic prescribe most?
In 2024 Medicare Part D data, Dr. Memsic's most prescribed drugs by claims were Anastrozole, Hydrocodone-Acetaminophen and Tamoxifen Citrate.
Has Dr. Leslie F. Memsic received payments from drug or device companies?
CMS Open Payments shows $237 in general payments to Dr. Memsic from 5 companies from 2018 to 2025. The largest total came from Rti Surgical, Inc.
How long has Dr. Leslie F. Memsic been practicing?
Dr. Memsic graduated from medical school in 1981, 45 years ago.
Does Dr. Leslie F. Memsic do research?
Dmand AI links 3 publications to Dr. Memsic.
Who does Dr. Leslie F. Memsic publish with?
Dr. Memsic's most frequent co-authors are Allan W. Silberman, MD (3 shared papers), Stewart Howard Gleischman, MD (1 shared paper) and Solomon I. Hamburg, MD (1 shared paper).
What insurance does Dr. Leslie F. Memsic accept?
Dr. Memsic is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to surgical oncology practices?
See surgical oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card