Dr. Alagiasingam Rangarajan, MD
- Part D claims, 2024
- 11
- Hospital affiliations
- 2
- Industry payments
- $172
- Medical group
- 1
- Insurance carriers
- 7
- Practice address
- 1115 S Sunset Ave, West Covina, CA 91790
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Queen of the Valley Hospital - Unit
Acute Care Hospital-Unit · West Covina, California
Find Dr. Rangarajan's professional email, personal email and mobile number
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Dr. Alagiasingam Rangarajan is a pediatrician in West Covina, California
Dr. Rangarajan practices at Queen of the Valley Hospital - Unit in West Covina, California.
Dr. Rangarajan's NPI, 1841382025, was assigned on September 28, 2006. Dr. Rangarajan graduated from Madurai Medical College in 1969. Dr. Rangarajan holds California license A311172.
- NPI
- 1841382025NPI Registry (opens in a new tab)
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alagiasingam Rangarajan practices at Queen of the Valley Hospital - Unit in West Covina, California
Dr. Rangarajan's primary practice is Queen of the Valley Hospital - Unit, at 1115 S Sunset Ave, West Covina, CA 91790.
- Queen of the Valley Hospital - Unit1115 S Sunset Ave, West Covina, CA 91790
Source: Dmand AI Affiliation Data
Dr. Alagiasingam Rangarajan is affiliated with 3 sites of care and 1 medical group
Dr. Rangarajan's primary practice is Queen of the Valley Hospital - Unit in West Covina, California. Dr. Rangarajan is also affiliated with Emanate Health Inter-Community Hospital. The medical group on file is Emanate Health Medical Group. Dmand AI also links Dr. Rangarajan to 1 more physician office, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alagiasingam Rangarajan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rangarajan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Queen of the Valley Hospital - Unit | 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. Alagiasingam Rangarajan is one of 8,236 pediatricians in California
Pediatrics is Dr. Rangarajan's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Rangarajan is board certified in pediatrics by the American Board of Pediatrics. Dr. Rangarajan is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Rangarajan
Counts of pediatricians 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. Alagiasingam Rangarajan's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Rangarajan's median patient age at 13, with 58% women.
Dr. Rangarajan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Alagiasingam Rangarajan wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Rangarajan wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $417 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Rangarajan's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 112020: 23109%
Drugs named by CMS: 2 in 2020, 1 in 2019.
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
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Dr. Alagiasingam Rangarajan received $172 in industry payments from 2018 to 2025
CMS Open Payments shows 8 general payments to Dr. Rangarajan from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $128.
General payments to Dr. Rangarajan by program year, 2018 to 2025
Companies that paid Dr. Rangarajan 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. Alagiasingam Rangarajan graduated from Madurai Medical College
Dr. Rangarajan graduated from Madurai Medical College in 1969.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Alagiasingam Rangarajan accepts plans from 7 insurance carriers
Dr. Rangarajan is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Molina
- Regence Health Plans
Plan types Dr. Rangarajan accepts, by number of carriers
- Medicare5
- PPO5
- HMO4
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alagiasingam Rangarajan'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Alagiasingam Rangarajan
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. Alagiasingam Rangarajan's NPI number?
Dr. Alagiasingam Rangarajan's NPI number is 1841382025. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alagiasingam Rangarajan?
Dr. Alagiasingam Rangarajan is a pediatrician in West Covina, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Alagiasingam Rangarajan practice?
Dr. Rangarajan practices at 1115 S Sunset Ave, West Covina, CA 91790. Dr. Rangarajan's primary practice is Queen of the Valley Hospital - Unit in West Covina, California. Dmand AI also links Dr. Rangarajan to 1 physician office.
What is Dr. Alagiasingam Rangarajan's medical license number?
Dr. Rangarajan holds California license A311172.
Which hospitals is Dr. Alagiasingam Rangarajan affiliated with?
Dr. Rangarajan is affiliated with Emanate Health Inter-Community Hospital. Dmand AI links Dr. Rangarajan to 1 more hospital.
What medical group is Dr. Alagiasingam Rangarajan part of?
Dr. Rangarajan is linked to Emanate Health Medical Group.
Is Dr. Alagiasingam Rangarajan board certified?
Yes. Dr. Rangarajan is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Alagiasingam Rangarajan go to medical school?
Dr. Rangarajan graduated from Madurai Medical College in 1969.
What drugs does Dr. Alagiasingam Rangarajan prescribe most?
In 2020 Medicare Part D data, Dr. Rangarajan's most prescribed drugs by claims were Tamsulosin HCl and Atorvastatin Calcium.
Has Dr. Alagiasingam Rangarajan received payments from drug or device companies?
CMS Open Payments shows $172 in general payments to Dr. Rangarajan from 3 companies from 2018 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Alagiasingam Rangarajan been practicing?
Dr. Rangarajan graduated from medical school in 1969, 57 years ago.
What insurance does Dr. Alagiasingam Rangarajan accept?
Dr. Rangarajan is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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