Dr. Nagai S. Rajendran, MD
- Medicare services, 2023
- 252
- Part D claims, 2024
- 296
- Hospital affiliations
- 1
- Industry payments
- $4,933
- Medical groups
- 2
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Nagai S. Rajendran is a urologist in Valhalla, New York
Dr. Rajendran practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Rajendran's NPI, 1639194855, was assigned on July 12, 2006. Dr. Rajendran holds New York license 115637.
- NPI
- 1639194855NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 86
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nagai S. Rajendran practices at Westchester Medical Center in Valhalla, New York
Dr. Rajendran's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Nagai S. Rajendran is affiliated with 3 sites of care and 2 medical groups
Dr. Rajendran's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. The medical group on file is Southern Westchester Urology. Dmand AI also links Dr. Rajendran to 2 more group practices and clinics and 1 medical group, 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. Nagai S. Rajendran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rajendran practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nagai S. Rajendran is one of 919 urologists in New York
Urology is Dr. Rajendran's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Rajendran is licensed in New York.
Specialties and state licenses
- Urology, New YorkPrimary
Urologists near Dr. Rajendran
Counts of urologists 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. Nagai S. Rajendran billed Medicare for 252 services in 2023
CMS data shows 252 Medicare services from Dr. Rajendran across 6 procedure codes in 2023. Medicare paid $5,572 for them. Every service was in an office.
Dr. Rajendran's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 1762023: 12927%
- Office and hospital visits
- 2022: 1082023: 6243%
- Tests and treatments
- 2022: 702023: 3254%
- Drugs given in the office
- 2022: 14,0352023: 18100%
- Surgery
- 2022: 272023: 1159%
Dr. Rajendran compared with the New York median for urologists, 2023
- Dr. Rajendran
- New York median
- Medicare services
- 252vs 84970% below
- Part D claims
- 196vs 58967% below
Medians across 885 urologists in New York with Dmand AI profiles that report each measure.
Dr. Rajendran's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nagai S. Rajendran's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Rajendran's median patient age at 65, with 39% women.
Dr. Rajendran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Nagai S. Rajendran wrote 296 Medicare Part D claims in 2024
In 2024, Dr. Rajendran wrote 296 Medicare Part D claims for 134 patients. 89% of them were for generic drugs. CMS names the drug for 196 of them, across 7 drugs with 11 or more claims each, at $11,490 in total drug cost. In 2023, CMS named 422 claims across 14 drugs.
Dr. Rajendran's Part D claims by kind of drug, 2024
- Generic264 claims89%
- Brand-name32 claims11%
Dr. Rajendran'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. Rajendran's Part D claims, 2024
- Antibiotics26%76 of 296 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: 4222024: 19654%
Drugs named by CMS: 7 in 2024, 14 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
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Dr. Nagai S. Rajendran received $4,933 in industry payments from 2016 to 2024
CMS Open Payments shows 178 general payments to Dr. Rajendran from 34 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 93% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,215.
General payments to Dr. Rajendran by program year, 2016 to 2024
General payments to Dr. Rajendran by kind, 2016 to 2024
- Food and beverage$4,60193%
- Education$3327%
Companies that paid Dr. Rajendran the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nagai S. Rajendran'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 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) |
| 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. Nagai S. Rajendran
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. Nagai S. Rajendran's NPI number?
Dr. Nagai S. Rajendran's NPI number is 1639194855. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nagai S. Rajendran?
Dr. Nagai S. Rajendran is a urologist in Valhalla, New York. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Nagai S. Rajendran practice?
Dr. Rajendran practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Rajendran's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Rajendran to 2 group practices and clinics and 1 medical group.
What is Dr. Nagai S. Rajendran's office phone number?
The practice phone on file for Dr. Rajendran is (914) 493-7000.
What is Dr. Nagai S. Rajendran's medical license number?
Dr. Rajendran holds New York license 115637.
Which hospitals is Dr. Nagai S. Rajendran affiliated with?
Dr. Rajendran practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Nagai S. Rajendran part of?
Dr. Rajendran is linked to Southern Westchester Urology. Dmand AI links Dr. Rajendran to 1 more medical group.
Does Dr. Nagai S. Rajendran accept Medicare?
Yes. CMS data shows Dr. Rajendran billed Medicare for 252 services in 2023.
What services does Dr. Nagai S. Rajendran bill to Medicare?
In 2023, Dr. Rajendran's most billed Medicare services were lab and pathology test (82570), lab and pathology test (81003) and office visit, established patient (99213).
What drugs does Dr. Nagai S. Rajendran prescribe most?
In 2024 Medicare Part D data, Dr. Rajendran's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Sulfamethoxazole-Trimethoprim.
Has Dr. Nagai S. Rajendran received payments from drug or device companies?
CMS Open Payments shows $4,933 in general payments to Dr. Rajendran from 34 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Nagai S. Rajendran been practicing?
Dr. Rajendran graduated from medical school in 1966, 60 years ago.
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