Dr. Ranmal Aloka Samarasinghe, MD, PhD

  • Los Angeles, CA
  • Neurologist
NPI1588906606PAC ID0749557429
Medicare services, 2024
1,548
Medicare patients, 2024
85
Part D claims, 2021
37
Publications
5
MIPS score, 2024
94
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

See all 9 affiliations

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Dr. Ranmal Aloka Samarasinghe is a neurologist in Los Angeles, California

Dr. Samarasinghe practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Dr. Samarasinghe's NPI, 1588906606, was assigned on March 27, 2013. Dr. Samarasinghe graduated from University of Pittsburgh School of Medicine in 2012. Dr. Samarasinghe holds California license A133639.

NPI and contact details
Medicare PAC ID
0749557429
NPI enumeration date
March 27, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 825-6301
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
39
Medical school graduation
2012

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

Dr. Ranmal Aloka Samarasinghe practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Dr. Samarasinghe's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Dr. Ranmal Aloka Samarasinghe is affiliated with 6 sites of care and 3 medical groups

Dr. Samarasinghe's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dr. Samarasinghe is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Health. Dmand AI also links Dr. Samarasinghe to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 9 affiliations for Dr. Samarasinghe

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ranmal Aloka Samarasinghe's practice

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

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA Medical CenterAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Ranmal Aloka Samarasinghe is one of 2,207 neurologists in California

Neurology is Dr. Samarasinghe's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Samarasinghe is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Samarasinghe's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense A133639 · 2014 to 2026 · taxonomy 2084N0400X
  • Pennsylvania license2013 to 2014

Neurologists near Dr. Samarasinghe

Counts of neurologists 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. Ranmal Aloka Samarasinghe billed Medicare for 1,548 services in 2024

CMS data shows 1,548 Medicare services from Dr. Samarasinghe across 5 procedure codes in 2024, for 85 Medicare patients. Medicare paid $47,005 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,548
Medicare patients85
Paid by Medicare$47,005
Procedure codes5

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

  • 2023
  • 2024
Other services
2023: 1,0942024: 1,37526%
Tests and treatments
2023: 1552024: 17312%

Dr. Samarasinghe compared with the California median for neurologists, 2024

  • Dr. Samarasinghe
  • California median
Medicare services
1,548vs 4043.8 times
Medicare patients
85vs 19055% below
Part D claims
37vs 32489% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Samarasinghe'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. Samarasinghe

Need commercial claims for Dr. Samarasinghe?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samarasinghe and other neurologists in California.

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

Dr. Ranmal Aloka Samarasinghe treated 85 Medicare patients in 2024, average age 71

CMS counts 85 Medicare patients who saw Dr. Samarasinghe in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.28, 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. Samarasinghe's median patient age at 53, with 52% women.

Medicare patients, 202485
Average age71
Average risk score2.28
Also on Medicaid27%

Dr. Samarasinghe's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Samarasinghe's Medicare patients by sex, 2024

  • Women3440%
  • Men5160%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis69%
  4. Diabetes45%
  5. Ischemic heart disease41%
  6. Anxiety36%
  7. Chronic kidney disease36%
  8. Mood disorders36%

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

Dr. Samarasinghe's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Ranmal Aloka Samarasinghe wrote 37 Medicare Part D claims in 2021

In 2021, Dr. Samarasinghe wrote 37 Medicare Part D claims. They cover 2 drugs, with $14,702 in total drug cost. In 2020, CMS named 16 claims across 1 drug.

Part D claims, 202137
Drugs named by CMS2
Total drug cost$14,702

Dr. Samarasinghe's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 162021: 37131%

Drugs named by CMS: 2 in 2021, 1 in 2020.

See all prescribing by Dr. Samarasinghe

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Ranmal Aloka Samarasinghe scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Samarasinghe for performance year 2024, reported as part of a group. Dr. Samarasinghe accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Samarasinghe's MIPS scores, performance year 2024

  • 94of 100Final score
  • 86.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 67of 100Cost

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Ranmal Aloka Samarasinghe has 5 publications on record

Dmand AI links 5 papers to Dr. Samarasinghe, published from 2011 to 2024. 2011 was the busiest year, with 2. Dr. Samarasinghe's most frequent co-authors are Jack J. Lin, MD and Jack Mordecai Parent, MD.

Papers5
Years published2011 to 2024

Dr. Samarasinghe's papers by year, 2011 to 2024

Dr. Samarasinghe's most frequent co-authors

Recent publications by Dr. Samarasinghe

See all 5 publications and co-authors

See who Dr. Samarasinghe researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Samarasinghe works with, so you can find a warm path to the right neurologists.

How network discovery works

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

Dr. Ranmal Aloka Samarasinghe received $451 in industry payments from 2019 to 2023

CMS Open Payments shows 8 general payments to Dr. Samarasinghe from 3 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $219.

General payments to Dr. Samarasinghe by program year, 2019 to 2023

Companies that paid Dr. Samarasinghe the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Samarasinghe

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

Dr. Ranmal Aloka Samarasinghe graduated from University of Pittsburgh School of Medicine

Dr. Samarasinghe graduated from University of Pittsburgh School of Medicine in 2012.

  1. Medical schoolUniversity of Pittsburgh School of Medicine
  2. Board certified in clinical neurophysiologyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Ranmal Aloka Samarasinghe accepts plans from 9 insurance carriers

Dr. Samarasinghe is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Samarasinghe accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Ranmal Aloka Samarasinghe'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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)
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. Ranmal Aloka Samarasinghe

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. Ranmal Aloka Samarasinghe's NPI number?

Dr. Ranmal Aloka Samarasinghe's NPI number is 1588906606. It was assigned on March 27, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Ranmal Aloka Samarasinghe?

Dr. Ranmal Aloka Samarasinghe is a neurologist in Los Angeles, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Ranmal Aloka Samarasinghe practice?

Dr. Samarasinghe practices at 757 Westwood Plaza, Los Angeles, CA 90095. Dr. Samarasinghe's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Dr. Samarasinghe to 2 hospitals, 2 group practices and clinics and 2 medical groups.

What is Dr. Ranmal Aloka Samarasinghe's office phone number?

The practice phone on file for Dr. Samarasinghe is (310) 825-6301.

What is Dr. Ranmal Aloka Samarasinghe's medical license number?

Dr. Samarasinghe holds California license A133639, one of the licenses on file in 2 states.

Which states has Dr. Ranmal Aloka Samarasinghe been licensed in?

Dmand AI has state licenses on file for Dr. Samarasinghe in California (2014 to 2026) and Pennsylvania (2013 to 2014).

Which hospitals is Dr. Ranmal Aloka Samarasinghe affiliated with?

Dr. Samarasinghe practices at Ronald Reagan UCLA Medical Center in Los Angeles, California. Dr. Samarasinghe is also affiliated with UCLA Santa Monica Medical Center. Dmand AI links Dr. Samarasinghe to 2 more hospitals.

What medical group is Dr. Ranmal Aloka Samarasinghe part of?

Dr. Samarasinghe is linked to UCLA Health. Dmand AI links Dr. Samarasinghe to 2 more medical groups.

Does Dr. Ranmal Aloka Samarasinghe accept Medicare?

Yes. CMS data shows Dr. Samarasinghe billed Medicare for 1,548 services in 2024, and Dr. Samarasinghe accepts Medicare assignment.

What is Dr. Ranmal Aloka Samarasinghe's MIPS score?

Dr. Samarasinghe's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ranmal Aloka Samarasinghe see?

CMS counts 85 Medicare patients who saw Dr. Samarasinghe in 2024, with an average age of 71.

Is Dr. Ranmal Aloka Samarasinghe board certified?

Yes. Dr. Samarasinghe is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.

What services does Dr. Ranmal Aloka Samarasinghe bill to Medicare?

In 2024, Dr. Samarasinghe's most billed Medicare services were medicare service (G0453), nerve and brain test (95938) and nerve and brain test (95939).

Where did Dr. Ranmal Aloka Samarasinghe go to medical school?

Dr. Samarasinghe graduated from University of Pittsburgh School of Medicine in 2012.

What drugs does Dr. Ranmal Aloka Samarasinghe prescribe most?

In 2021 Medicare Part D data, Dr. Samarasinghe's most prescribed drugs by claims were Vimpat and Clobazam.

Has Dr. Ranmal Aloka Samarasinghe received payments from drug or device companies?

CMS Open Payments shows $451 in general payments to Dr. Samarasinghe from 3 companies from 2019 to 2023. The largest total came from UCB, Inc.

How long has Dr. Ranmal Aloka Samarasinghe been practicing?

Dr. Samarasinghe graduated from medical school in 2012, 14 years ago.

Does Dr. Ranmal Aloka Samarasinghe do research?

Dmand AI links 5 publications to Dr. Samarasinghe, published from 2011 to 2024.

Who does Dr. Ranmal Aloka Samarasinghe publish with?

Dr. Samarasinghe's most frequent co-authors are Jack J. Lin, MD (1 shared paper) and Jack Mordecai Parent, MD (1 shared paper).

What insurance does Dr. Ranmal Aloka Samarasinghe accept?

Dr. Samarasinghe is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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