Dr. Clement P. Pillainayagam, MD
- Medicare services, 2024
- 36
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 32
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 11100 Euclid Avenue, Cleveland, OH 44106
- Practice phone
- Call (216) 844-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Pillainayagam'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. Clement P. Pillainayagam is a neurologist in Cleveland, Ohio
Dr. Pillainayagam practices at University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System.
Dr. Pillainayagam's NPI, 1588977433, was assigned on July 21, 2010. Dr. Pillainayagam graduated from Michigan State University College of Human Medicine in 2010. Dr. Pillainayagam holds Ohio license 35139490.
- NPI
- 1588977433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466746946
- NPI enumeration date
- July 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (216) 844-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clement P. Pillainayagam practices at University Hospitals Cleveland Medical Center in Cleveland, Ohio
Dr. Pillainayagam's primary practice is University Hospitals Cleveland Medical Center, at 11100 Euclid Avenue, Cleveland, OH 44106 in Cuyahoga County. The practice phone is (216) 844-1000.
- University Hospitals Cleveland Medical Center11100 Euclid Avenue, Cleveland, OH 44106 · Cuyahoga CountyPhone(216) 844-1000
Source: Dmand AI Affiliation Data
Dr. Clement P. Pillainayagam is affiliated with 3 sites of care and 1 medical group
Dr. Pillainayagam's primary practice is University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System. Dr. Pillainayagam is also affiliated with University Hospitals Parma Medical Center. The medical group on file is University Hospitals Medical Practices. Dmand AI also links Dr. Pillainayagam to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Clement P. Pillainayagam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pillainayagam practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospitals Cleveland Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clement P. Pillainayagam is one of 738 neurologists in Ohio
Neurology is Dr. Pillainayagam's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Pillainayagam is licensed in Ohio.
Specialties and state licenses
- Neurology, OhioPrimary
Neurologists near Dr. Pillainayagam
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. Clement P. Pillainayagam billed Medicare for 36 services in 2024
CMS data shows 36 Medicare services from Dr. Pillainayagam across 2 procedure codes in 2024, all of them office visits, for 40 Medicare patients. Medicare paid $2,510 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pillainayagam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1152024: 3669%
Dr. Pillainayagam compared with the Ohio median for neurologists, 2024
- Dr. Pillainayagam
- Ohio median
- Medicare services
- 36vs 31589% below
- Medicare patients
- 40vs 19680% below
- Part D claims
- 72vs 40982% below
Medians across 700 neurologists in Ohio with Dmand AI profiles that report each measure.
Dr. Pillainayagam'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pillainayagam and other neurologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clement P. Pillainayagam treated 40 Medicare patients in 2024, average age 68
CMS counts 40 Medicare patients who saw Dr. Pillainayagam in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 2.40, 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. Pillainayagam's median patient age at 66, with 54% women.
Dr. Pillainayagam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pillainayagam's Medicare patients by sex, 2024
- Women1435%
- Men2665%
Chronic conditions among Dr. Pillainayagam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Mood disorders48%
- Stroke or TIA48%
- Arthritis45%
- Anxiety43%
- Depression38%
- Cancer30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pillainayagam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clement P. Pillainayagam wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Pillainayagam wrote 32 Medicare Part D claims for 17 patients. 59% of them were for generic drugs. They cover 5 drugs, with $745,125 in total drug cost. In 2022, CMS named 31 claims across 2 drugs.
Dr. Pillainayagam's Part D claims by kind of drug, 2024
- Generic19 claims59%
- Brand-name13 claims41%
Dr. Pillainayagam's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 312023: 72132%
Drugs named by CMS: 5 in 2023, 2 in 2022.
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. Clement P. Pillainayagam offers telehealth to Medicare patients
Dr. Pillainayagam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Pillainayagam as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Clement P. Pillainayagam has 5 publications on record
Dmand AI links 5 papers to Dr. Pillainayagam, published from 2010 to 2022. 2022 was the busiest year, with 2. The most frequent topics are Brain Neoplasms, Glioblastoma and Temozolomide. Dr. Pillainayagam's most frequent co-authors are Steven R. Abram, MD, Robert Dennis Aiken, MD and David E. Avigan, MD.
Dr. Pillainayagam's papers by year, 2010 to 2022
Topics Dr. Pillainayagam writes about most
- Brain Neoplasms
- Glioblastoma
- Temozolomide
Dr. Pillainayagam's most frequent co-authors
- Steven R. Abram, MD2 shared papers
- Robert Dennis Aiken, MD2 shared papers
- David E. Avigan, MD2 shared papers
Recent publications by Dr. Pillainayagam
See who Dr. Pillainayagam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pillainayagam works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Clement P. Pillainayagam has worked on 1 clinical trial
Dmand AI links Dr. Pillainayagam to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Gliosarcoma and Glioblastoma.
Conditions in Dr. Pillainayagam's trials
- Gliosarcoma
- Glioblastoma
Investigators on the most trials with Dr. Pillainayagam
- Ajay Prakash Abad, MD1 shared trial
- Robert Dennis Aiken, MD1 shared trial
- Steven Alan Akman, MD1 shared trial
Recent clinical trials with Dr. Pillainayagam
A Phase II/III Randomized Trial of Veliparib or Placebo in Combination With Adjuvant Temozolomide in Newly Diagnosed Glioblastoma With MGMT Promoter Hypermethylation (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Clement P. Pillainayagam received $2,840 in industry payments from 2017 to 2025
CMS Open Payments shows 16 general payments to Dr. Pillainayagam from 3 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 49% of the total. Abbvie Inc. paid the most, $1,630.
General payments to Dr. Pillainayagam by program year, 2017 to 2025
General payments to Dr. Pillainayagam by kind, 2017 to 2025
- Consulting fees$1,40049%
- Food and beverage$1,01136%
- Travel and lodging$42915%
Companies that paid Dr. Pillainayagam the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clement P. Pillainayagam graduated from Michigan State University College of Human Medicine
Dr. Pillainayagam graduated from Michigan State University College of Human Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clement P. Pillainayagam'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Clement P. Pillainayagam
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What is Dr. Clement P. Pillainayagam's NPI number?
Dr. Clement P. Pillainayagam's NPI number is 1588977433. It was assigned on July 21, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Clement P. Pillainayagam?
Dr. Clement P. Pillainayagam is a neurologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Clement P. Pillainayagam practice?
Dr. Pillainayagam practices at 11100 Euclid Avenue, Cleveland, OH 44106. Dr. Pillainayagam's primary practice is University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System. Dmand AI also links Dr. Pillainayagam to 1 hospital.
What is Dr. Clement P. Pillainayagam's office phone number?
The practice phone on file for Dr. Pillainayagam is (216) 844-1000.
What is Dr. Clement P. Pillainayagam's medical license number?
Dr. Pillainayagam holds Ohio license 35139490.
Which hospitals is Dr. Clement P. Pillainayagam affiliated with?
Dr. Pillainayagam practices at University Hospitals Cleveland Medical Center in Cleveland, Ohio. Dr. Pillainayagam is also affiliated with University Hospitals Parma Medical Center. Dmand AI links Dr. Pillainayagam to 1 more hospital.
What medical group is Dr. Clement P. Pillainayagam part of?
Dr. Pillainayagam is linked to University Hospitals Medical Practices.
Does Dr. Clement P. Pillainayagam accept Medicare?
Yes. CMS data shows Dr. Pillainayagam billed Medicare for 36 services in 2024, and Dr. Pillainayagam accepts Medicare assignment.
Does Dr. Clement P. Pillainayagam offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Pillainayagam as offering telehealth services.
How many Medicare patients does Dr. Clement P. Pillainayagam see?
CMS counts 40 Medicare patients who saw Dr. Pillainayagam in 2024, with an average age of 68.
Show 7 more questionsShow fewer questions
What services does Dr. Clement P. Pillainayagam bill to Medicare?
In 2024, Dr. Pillainayagam's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Clement P. Pillainayagam go to medical school?
Dr. Pillainayagam graduated from Michigan State University College of Human Medicine in 2010.
What drugs does Dr. Clement P. Pillainayagam prescribe most?
In 2023 Medicare Part D data, Dr. Pillainayagam's most prescribed drugs by claims were Welireg, Koselugo and Alunbrig.
Has Dr. Clement P. Pillainayagam received payments from drug or device companies?
CMS Open Payments shows $2,840 in general payments to Dr. Pillainayagam from 3 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Clement P. Pillainayagam been practicing?
Dr. Pillainayagam graduated from medical school in 2010, 16 years ago.
Does Dr. Clement P. Pillainayagam do research?
Dmand AI links 5 publications to Dr. Pillainayagam, published from 2010 to 2022. Dr. Pillainayagam has worked on 1 clinical trial.
Who does Dr. Clement P. Pillainayagam publish with?
Dr. Pillainayagam's most frequent co-authors are Steven R. Abram, MD (2 shared papers), Robert Dennis Aiken, MD (2 shared papers) and David E. Avigan, MD (2 shared papers).
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