Dr. Narayanan Sadagopan, MD
- Part D claims, 2024
- 85
- Hospital affiliations
- 6
- Industry payments
- $816
- Medical group
- 1
- State license
- 1
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sadagopan'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. Narayanan Sadagopan is a medical oncologist in Washington, District of Columbia
Dr. Sadagopan practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Dr. Sadagopan's NPI, 1730640699, was assigned on March 25, 2019. Dr. Sadagopan holds Virginia license 0101285501.
- NPI
- 1730640699NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800122151
- NPI enumeration date
- March 25, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Narayanan Sadagopan practices at MedStar Washington Hospital Center in Washington, District of Columbia
Dr. Sadagopan's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Dr. Narayanan Sadagopan is affiliated with 7 sites of care and 1 medical group
Dr. Sadagopan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dr. Sadagopan is also affiliated with Sentara Norfolk General Hospital. The medical group on file is Cancer Specialists of Tidewater. Dmand AI also links Dr. Sadagopan to 4 more hospitals and 1 group practice or clinic, 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. Narayanan Sadagopan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sadagopan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
| +6 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 MedStar Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Narayanan Sadagopan is one of 39 medical oncologists in District of Columbia
Medical oncology is Dr. Sadagopan's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Sadagopan is licensed in Virginia.
Specialties and state licenses
- Medical oncology, VirginiaPrimary
Medical oncologists near Dr. Sadagopan
Counts of medical 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. Narayanan Sadagopan's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Sadagopan's median patient age at 63, with 63% women.
Dr. Sadagopan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Narayanan Sadagopan wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Sadagopan wrote 85 Medicare Part D claims for 29 patients. 72% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $21,240 in total drug cost.
Dr. Sadagopan's Part D claims by kind of drug, 2024
- Generic61 claims72%
- Brand-name24 claims28%
Dr. Sadagopan'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.
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
How Dr. Narayanan Sadagopan takes part in Medicare
Dr. Sadagopan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Narayanan Sadagopan received $816 in industry payments in 2025
CMS Open Payments shows 36 general payments to Dr. Sadagopan from 22 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $90.
Companies that paid Dr. Sadagopan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Narayanan Sadagopan'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 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) |
| 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. Narayanan Sadagopan
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. Narayanan Sadagopan's NPI number?
Dr. Narayanan Sadagopan's NPI number is 1730640699. It was assigned on March 25, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Narayanan Sadagopan?
Dr. Narayanan Sadagopan is a medical oncologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Narayanan Sadagopan practice?
Dr. Sadagopan practices at 110 Irving Street NW, Washington, DC 20010. Dr. Sadagopan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Dr. Sadagopan to 4 hospitals and 1 group practice or clinic.
What is Dr. Narayanan Sadagopan's office phone number?
The practice phone on file for Dr. Sadagopan is (202) 877-7000.
What is Dr. Narayanan Sadagopan's medical license number?
Dr. Sadagopan holds Virginia license 0101285501.
Which hospitals is Dr. Narayanan Sadagopan affiliated with?
Dr. Sadagopan practices at MedStar Washington Hospital Center in Washington, District of Columbia. Dr. Sadagopan is also affiliated with Sentara Norfolk General Hospital. Dmand AI links Dr. Sadagopan to 4 more hospitals.
What medical group is Dr. Narayanan Sadagopan part of?
Dr. Sadagopan is linked to Cancer Specialists of Tidewater.
Does Dr. Narayanan Sadagopan accept Medicare?
Yes. CMS lists Dr. Sadagopan as accepting Medicare assignment.
What drugs does Dr. Narayanan Sadagopan prescribe most?
In 2024 Medicare Part D data, Dr. Sadagopan's most prescribed drugs by claims were Posaconazole.
Has Dr. Narayanan Sadagopan received payments from drug or device companies?
CMS Open Payments shows $816 in general payments to Dr. Sadagopan from 22 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Narayanan Sadagopan been practicing?
Dr. Sadagopan graduated from medical school in 2019, 7 years ago.
Selling to medical oncology practices?
See medical oncologists in District of Columbia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card