Dr. Arun Kumar Arumugam Raajasekar, MD
- Medicare services, 2024
- 2,270
- Medicare patients, 2024
- 434
- Part D claims, 2024
- 1,530
- Hospital affiliations
- 3
- Industry payments
- $1,245
- Practice address
- 2500 Grant Road, Mountain View, CA 94040
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Arumugam Raajasekar's professional email, personal email and mobile number
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Dr. Arun Kumar Arumugam Raajasekar is a hematologist and oncologist in Mountain View, California
Dr. Arumugam Raajasekar practices at El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District.
Dr. Arumugam Raajasekar's NPI, 1801143722, was assigned on August 9, 2012. Dr. Arumugam Raajasekar holds Arizona license 57452.
- NPI
- 1801143722NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496040982
- NPI enumeration date
- August 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 940-7000
- 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. Arun Kumar Arumugam Raajasekar practices at El Camino Health - Mountain View Hospital in Mountain View, California
Dr. Arumugam Raajasekar's primary practice is El Camino Health - Mountain View Hospital, at 2500 Grant Road, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Health - Mountain View Hospital2500 Grant Road, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 940-7000
Source: Dmand AI Affiliation Data
Dr. Arun Kumar Arumugam Raajasekar is affiliated with 5 sites of care and 1 medical group
Dr. Arumugam Raajasekar's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dr. Arumugam Raajasekar is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is El Camino Health Medical Network. Dmand AI also links Dr. Arumugam Raajasekar to 1 more hospital and 2 hospital outpatient departments, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Arun Kumar Arumugam Raajasekar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arumugam Raajasekar practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Health - Mountain View Hospital | Available with a free account |
| +4 more affiliated sites | 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 El Camino Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Arun Kumar Arumugam Raajasekar is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Arumugam Raajasekar's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Arumugam Raajasekar is licensed in Arizona.
Specialties and state licenses
- Hematology and oncology, ArizonaPrimary
Hematologists and oncologists near Dr. Arumugam Raajasekar
Counts of hematologists and 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. Arun Kumar Arumugam Raajasekar billed Medicare for 2,270 services in 2024
CMS data shows 2,270 Medicare services from Dr. Arumugam Raajasekar across 8 procedure codes in 2024, for 434 Medicare patients. Medicare paid $133,476 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Arumugam Raajasekar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1252024: 1,46931%
- Other services
- 2023: 02024: 801
Dr. Arumugam Raajasekar compared with the California median for hematologists and oncologists, 2024
- Dr. Arumugam Raajasekar
- California median
- Medicare services
- 2,270vs 9322.4 times
- Medicare patients
- 434vs 22593% above
- Part D claims
- 1,295vs 3943.3 times
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Arumugam Raajasekar'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. Arumugam Raajasekar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Arumugam Raajasekar and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arun Kumar Arumugam Raajasekar treated 434 Medicare patients in 2024, average age 77
CMS counts 434 Medicare patients who saw Dr. Arumugam Raajasekar in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.98, 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. Arumugam Raajasekar's median patient age at 73, with 55% women.
Dr. Arumugam Raajasekar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Arumugam Raajasekar's Medicare patients by sex, 2024
- Women15836%
- Men27664%
Chronic conditions among Dr. Arumugam Raajasekar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Cancer60%
- Arthritis41%
- Chronic kidney disease36%
- Diabetes35%
- Ischemic heart disease35%
- Heart failure24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arumugam Raajasekar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arun Kumar Arumugam Raajasekar wrote 1,530 Medicare Part D claims in 2024
In 2024, Dr. Arumugam Raajasekar wrote 1,530 Medicare Part D claims for 268 patients. 79% of them were for generic drugs. CMS names the drug for 1,295 of them, across 34 drugs with 11 or more claims each, at $3,970,797 in total drug cost. In 2023, CMS named 1,053 claims across 28 drugs.
Dr. Arumugam Raajasekar's Part D claims by kind of drug, 2024
- Generic1,215 claims79%
- Brand-name and other315 claims21%
Dr. Arumugam Raajasekar'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. Arumugam Raajasekar's Part D claims, 2024
- Opioids3%52 of 1,530 claims
- Antibiotics4%61 of 1,530 claims
- Antipsychotics, patients 65 and over2%25 of 1,530 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: 1,0532024: 1,29523%
Drugs named by CMS: 34 in 2024, 28 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. Arun Kumar Arumugam Raajasekar offers telehealth to Medicare patients
Dr. Arumugam Raajasekar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arumugam Raajasekar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Arun Kumar Arumugam Raajasekar received $1,245 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Arumugam Raajasekar from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 76% of the total. TerSera Therapeutics LLC paid the most, $942.
General payments to Dr. Arumugam Raajasekar by program year, 2016 to 2025
General payments to Dr. Arumugam Raajasekar by kind, 2016 to 2025
- Consulting fees$94276%
- Food and beverage$18815%
- Education$1159%
Companies that paid Dr. Arumugam Raajasekar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arun Kumar Arumugam Raajasekar'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Arun Kumar Arumugam Raajasekar
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. Arun Kumar Arumugam Raajasekar's NPI number?
Dr. Arun Kumar Arumugam Raajasekar's NPI number is 1801143722. It was assigned on August 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Arun Kumar Arumugam Raajasekar?
Dr. Arun Kumar Arumugam Raajasekar is a hematologist and oncologist in Mountain View, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Arun Kumar Arumugam Raajasekar practice?
Dr. Arumugam Raajasekar practices at 2500 Grant Road, Mountain View, CA 94040. Dr. Arumugam Raajasekar's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dmand AI also links Dr. Arumugam Raajasekar to 1 hospital and 2 hospital outpatient departments.
What is Dr. Arun Kumar Arumugam Raajasekar's office phone number?
The practice phone on file for Dr. Arumugam Raajasekar is (650) 940-7000.
What is Dr. Arun Kumar Arumugam Raajasekar's medical license number?
Dr. Arumugam Raajasekar holds Arizona license 57452.
Which hospitals is Dr. Arun Kumar Arumugam Raajasekar affiliated with?
Dr. Arumugam Raajasekar practices at El Camino Health - Mountain View Hospital in Mountain View, California. Dr. Arumugam Raajasekar is also affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Arumugam Raajasekar to 1 more hospital.
What medical group is Dr. Arun Kumar Arumugam Raajasekar part of?
Dr. Arumugam Raajasekar is linked to El Camino Health Medical Network.
Does Dr. Arun Kumar Arumugam Raajasekar accept Medicare?
Yes. CMS data shows Dr. Arumugam Raajasekar billed Medicare for 2,270 services in 2024, and Dr. Arumugam Raajasekar accepts Medicare assignment.
Does Dr. Arun Kumar Arumugam Raajasekar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Arumugam Raajasekar as offering telehealth services.
How many Medicare patients does Dr. Arun Kumar Arumugam Raajasekar see?
CMS counts 434 Medicare patients who saw Dr. Arumugam Raajasekar in 2024, with an average age of 77.
Show 4 more questionsShow fewer questions
What services does Dr. Arun Kumar Arumugam Raajasekar bill to Medicare?
In 2024, Dr. Arumugam Raajasekar's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
What drugs does Dr. Arun Kumar Arumugam Raajasekar prescribe most?
In 2024 Medicare Part D data, Dr. Arumugam Raajasekar's most prescribed drugs by claims were Prednisone, Abiraterone Acetate and Prochlorperazine Maleate.
Has Dr. Arun Kumar Arumugam Raajasekar received payments from drug or device companies?
CMS Open Payments shows $1,245 in general payments to Dr. Arumugam Raajasekar from 7 companies from 2016 to 2025. The largest total came from TerSera Therapeutics LLC.
How long has Dr. Arun Kumar Arumugam Raajasekar been practicing?
Dr. Arumugam Raajasekar graduated from medical school in 2010, 16 years ago.
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