Dr. Adam Anton Sassoon, MD

  • Los Angeles, CA
  • Adult reconstructive orthopaedic surgery physician
NPI1750580882PAC ID1658446182
Medicare services, 2024
5,752
Medicare patients, 2024
398
Part D claims, 2024
175
Publications
19
MIPS score, 2024
87
Practice address
200 Medical Plz, Los Angeles, CA 90024
Practice phone
Call (310) 794-9206
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Peter Morton UCLA Medical Building

Los Angeles, California

See all 8 affiliations

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Dr. Adam Anton Sassoon is an adult reconstructive orthopaedic surgery physician in Los Angeles, California

Dr. Sassoon practices at Peter Morton UCLA Medical Building in Los Angeles, California.

Dr. Sassoon's NPI, 1750580882, was assigned on July 18, 2007. Dr. Sassoon graduated from Keck School of Medicine of USC in 2007. Dr. Sassoon holds California license C157530.

NPI and contact details
Medicare PAC ID
1658446182
NPI enumeration date
July 18, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-9206
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Adam Anton Sassoon practices at Peter Morton UCLA Medical Building in Los Angeles, California

Dr. Sassoon's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.

  • Peter Morton UCLA Medical Building
    200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Adam Anton Sassoon is affiliated with 7 sites of care and 1 medical group

Dr. Sassoon's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dr. Sassoon is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Orthopaedic Surgery. Dmand AI also links Dr. Sassoon to 1 more hospital, 3 home health agencies and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Sassoon

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Adam Anton Sassoon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sassoon practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peter Morton UCLA Medical BuildingAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Adam Anton Sassoon is one of 142 adult reconstructive orthopaedic surgery physicians in California

Adult reconstructive orthopaedic surgery is Dr. Sassoon's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Sassoon is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Sassoon's licenses on file in 5 states: California, Minnesota, Washington, Florida and Missouri.

Specialties and state licenses

  • Adult reconstructive orthopaedic surgery, CaliforniaPrimaryLicense C157530 · 2018 to 2026 · taxonomy 207XS0114X
  • Minnesota license2008 to 2019
  • Washington license2014 to 2018
  • Florida license2011 to 2016
  • Missouri licenseLicense 2013008004 · 2013 to 2015

Clinical focus

Dmand AI lists arthritis, bursitis, hip replacement, joint or bone infection, joint pain, knee replacement, lower back pain and nerve damage among the conditions Dr. Sassoon treats.

Adult reconstructive orthopaedic surgery physicians near Dr. Sassoon

Counts of adult reconstructive orthopaedic surgery physicians 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. Adam Anton Sassoon billed Medicare for 5,752 services in 2024

CMS data shows 5,752 Medicare services from Dr. Sassoon across 11 procedure codes in 2024, for 398 Medicare patients. Medicare paid $158,720 for them.

Medicare services, 20245,752
Medicare patients398
Paid by Medicare$158,720
Procedure codes11

Dr. Sassoon's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 672024: 4,9037218%
Office and hospital visits
2023: 5272024: 60415%
Surgery
2023: 2232024: 24510%

Where Dr. Sassoon's Medicare services took place, 2024

  • In an office5,59197%
  • In a facility1613%

Dr. Sassoon compared with the California median for adult reconstructive orthopaedic surgery physicians, 2024

  • Dr. Sassoon
  • California median
Medicare services
5,752vs 1,0245.6 times
Medicare patients
398vs 35612% above
Part D claims
163vs 20219% below

Medians across 136 adult reconstructive orthopaedic surgery physicians in California with Dmand AI profiles that report each measure.

Dr. Sassoon'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.

See all procedures by Dr. Sassoon

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sassoon and other adult reconstructive orthopaedic surgery physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Adam Anton Sassoon treated 398 Medicare patients in 2024, average age 73

CMS counts 398 Medicare patients who saw Dr. Sassoon in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have arthritis, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sassoon's median patient age at 70, with 59% women.

Medicare patients, 2024398
Average age73
Average risk score1.50
Also on Medicaid30%

Dr. Sassoon's Medicare patients by age, 2024

Dr. Sassoon's Medicare patients by sex, 2024

  • Women25765%
  • Men14135%

Chronic conditions among Dr. Sassoon's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure72%
  4. Mood disorders33%
  5. Diabetes30%
  6. Depression29%
  7. Anxiety28%
  8. Osteoporosis28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sassoon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women59%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Adam Anton Sassoon wrote 175 Medicare Part D claims in 2024

In 2024, Dr. Sassoon wrote 175 Medicare Part D claims for 102 patients. 100% of them were for generic drugs. CMS names the drug for 163 of them, across 5 drugs with 11 or more claims each, at $1,222 in total drug cost. In 2023, CMS named 133 claims across 5 drugs.

Part D claims, 2024175
Drugs named by CMS5
Total drug cost$1,222
Part D patients102

Dr. Sassoon'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. Sassoon's Part D claims, 2024

  • Opioids23%40 of 175 claims
  • Antibiotics35%62 of 175 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: 1332024: 16323%

Drugs named by CMS: 5 in 2024, 5 in 2023.

See all prescribing by Dr. Sassoon

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. Adam Anton Sassoon scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Sassoon for performance year 2024, reported as part of a group. Dr. Sassoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sassoon as offering telehealth. CMS counts 60 procedures of knee replacement by Dr. Sassoon, more than 83% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Sassoon's MIPS scores, performance year 2024

  • 87of 100Final score
  • 80.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Sassoon ranks in Medicare procedure volume

Knee replacement
83rd percentile60 procedures
Hip replacement
77th percentile32 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Adam Anton Sassoon has 19 publications on record

Dmand AI links 19 papers to Dr. Sassoon, published from 2012 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Arthroplasty, Replacement, Hip, Femoral Fractures and Periprosthetic Fractures. Dr. Sassoon has published most often in Instr Course Lect. Dr. Sassoon's most frequent co-authors are Alexandra I. Stavrakis, MD, George John Haidukewych, MD and Jeremy Alan Hall, MD.

Papers19
Years published2012 to 2025

Dr. Sassoon's papers by year, 2012 to 2025

Topics Dr. Sassoon writes about most

  • Arthroplasty, Replacement, Hip
  • Femoral Fractures
  • Periprosthetic Fractures
  • Reoperation

Dr. Sassoon's most frequent co-authors

Recent publications by Dr. Sassoon

See all 19 publications and co-authors

See who Dr. Sassoon researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sassoon works with, so you can find a warm path to the right adult reconstructive orthopaedic surgery physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Adam Anton Sassoon received $319,523 in industry payments from 2016 to 2025

CMS Open Payments shows 493 general payments to Dr. Sassoon from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 51% of the total. Smith & Nephew, Inc. paid the most, $169,185.

General payments to Dr. Sassoon by program year, 2016 to 2025

General payments to Dr. Sassoon by kind, 2016 to 2025

$319.5Kin total
  • Consulting fees$161,47351%
  • Speaker and faculty fees$97,51331%
  • Travel and lodging$30,41410%
  • Food and beverage$24,9358%
  • Other$5,1712%

Companies that paid Dr. Sassoon the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sassoon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Adam Anton Sassoon graduated from Keck School of Medicine of USC

Dr. Sassoon graduated from Keck School of Medicine of USC in 2007.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Adam Anton Sassoon accepts plans from 16 insurance carriers

Dr. Sassoon is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • AK State Medicaid
  • +8 more carriersWith a free account

Plan types Dr. Sassoon accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Adam Anton Sassoon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Adam Anton Sassoon

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. Adam Anton Sassoon's NPI number?

Dr. Adam Anton Sassoon's NPI number is 1750580882. It was assigned on July 18, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Adam Anton Sassoon?

Dr. Adam Anton Sassoon is an adult reconstructive orthopaedic surgery physician in Los Angeles, California. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).

Where does Dr. Adam Anton Sassoon practice?

Dr. Sassoon practices at 200 Medical Plz, Los Angeles, CA 90024. Dr. Sassoon's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Dr. Sassoon to 1 hospital, 3 home health agencies and 1 group practice or clinic.

What is Dr. Adam Anton Sassoon's office phone number?

The practice phone on file for Dr. Sassoon is (310) 794-9206.

What is Dr. Adam Anton Sassoon's medical license number?

Dr. Sassoon holds California license C157530, one of the licenses on file in 5 states.

Which states has Dr. Adam Anton Sassoon been licensed in?

Dmand AI has state licenses on file for Dr. Sassoon in California (2018 to 2026), Minnesota (2008 to 2019), Washington (2014 to 2018), Florida (2011 to 2016) and Missouri (2013 to 2015).

Which hospitals is Dr. Adam Anton Sassoon affiliated with?

Dr. Sassoon is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Sassoon to 1 more hospital.

What medical group is Dr. Adam Anton Sassoon part of?

Dr. Sassoon is linked to UCLA Orthopaedic Surgery.

Does Dr. Adam Anton Sassoon accept Medicare?

Yes. CMS data shows Dr. Sassoon billed Medicare for 5,752 services in 2024, and Dr. Sassoon accepts Medicare assignment.

Does Dr. Adam Anton Sassoon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Sassoon as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Adam Anton Sassoon's MIPS score?

Dr. Sassoon's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

How many Medicare patients does Dr. Adam Anton Sassoon see?

CMS counts 398 Medicare patients who saw Dr. Sassoon in 2024, with an average age of 73.

Is Dr. Adam Anton Sassoon board certified?

Yes. Dr. Sassoon is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Adam Anton Sassoon bill to Medicare?

In 2024, Dr. Sassoon's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and office visit, new patient (99204).

Where did Dr. Adam Anton Sassoon go to medical school?

Dr. Sassoon graduated from Keck School of Medicine of USC in 2007.

What drugs does Dr. Adam Anton Sassoon prescribe most?

In 2024 Medicare Part D data, Dr. Sassoon's most prescribed drugs by claims were Cephalexin, Meloxicam and Celecoxib.

Has Dr. Adam Anton Sassoon received payments from drug or device companies?

CMS Open Payments shows $319,523 in general payments to Dr. Sassoon from 17 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.

How long has Dr. Adam Anton Sassoon been practicing?

Dr. Sassoon graduated from medical school in 2007, 19 years ago.

Does Dr. Adam Anton Sassoon do research?

Dmand AI links 19 publications to Dr. Sassoon, published from 2012 to 2025.

Who does Dr. Adam Anton Sassoon publish with?

Dr. Sassoon's most frequent co-authors are Alexandra I. Stavrakis, MD (3 shared papers), George John Haidukewych, MD (2 shared papers) and Jeremy Alan Hall, MD (2 shared papers).

What insurance does Dr. Adam Anton Sassoon accept?

Dr. Sassoon is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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