Robert Warren
- Medicare services, 2020
- 178
- Part D claims, 2020
- 79
- Hospital affiliations
- 2
- Industry payments
- $12
- Medical group
- 1
- Practice address
- 424 Savannah Rd, Lewes, DE 19958
- Practice phone
- Call (302) 645-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Robert Warren'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.
Robert Warren is a hematologist and oncologist in Lewes, Delaware
Robert Warren practices at Beebe Healthcare in Lewes, Delaware, part of Beebe Medical Center.
Robert Warren's NPI, 1568461598, was assigned on July 20, 2005. Robert Warren holds District of Columbia license 21025.
- NPI
- 1568461598NPI Registry (opens in a new tab)
- NPI enumeration date
- July 20, 2005
- NPI status
- Active
- Practice phone
- (302) 645-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Robert Warren practices at Beebe Healthcare in Lewes, Delaware
Robert Warren's primary practice is Beebe Healthcare, at 424 Savannah Rd, Lewes, DE 19958 in Sussex County. The practice phone is (302) 645-3300.
- Beebe Healthcare424 Savannah Rd, Lewes, DE 19958 · Sussex CountyPhone(302) 645-3300
Source: Dmand AI Affiliation Data
Robert Warren is affiliated with 2 sites of care and 1 medical group
Robert Warren's primary practice is Beebe Healthcare in Lewes, Delaware, part of Beebe Medical Center. Robert Warren is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Georgetown University Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert Warren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Warren practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beebe Healthcare | Available with a free account |
| +1 more affiliated site | 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 Beebe Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Robert Warren is one of 42 hematologists and oncologists in Delaware
Hematology and oncology is Robert Warren's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Robert Warren is licensed in District of Columbia.
Specialties and state licenses
- Hematology and oncology, District of ColumbiaPrimary
Hematologists and oncologists near Robert Warren
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
Robert Warren billed Medicare for 178 services in 2020
CMS data shows 178 Medicare services from Robert Warren across 4 procedure codes in 2020. Medicare paid $8,625 for them. Every service was in a facility, such as a hospital, rather than an office.
Robert Warren's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 7012020: 17875%
Robert Warren compared with the Delaware median for hematologists and oncologists, 2020
- Robert Warren
- Delaware median
- Medicare services
- 178vs 81078% below
- Part D claims
- 79vs 59687% below
Medians across 40 hematologists and oncologists in Delaware with Dmand AI profiles that report each measure.
Robert Warren's most billed Medicare procedure codes, 2020
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 Robert Warren and other hematologists and oncologists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Robert Warren's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Robert Warren's median patient age at 74, with 89% women.
Robert Warren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women89%
- Men5%
Source: Dmand AI Patient Panel Data
Robert Warren wrote 79 Medicare Part D claims in 2020
In 2020, Robert Warren wrote 79 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $3,309 in total drug cost. In 2019, CMS named 91 claims across 2 drugs.
Robert Warren'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: 912020: 7913%
Drugs named by CMS: 3 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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.
Robert Warren received $12 in industry payments in 2021
CMS Open Payments shows 1 general payment to Robert Warren from 1 drug or device company in 2021. Education make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $12.
Companies that paid Robert Warren the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Robert Warren'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) |
| 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 Robert Warren
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Warren's NPI number?
Robert Warren's NPI number is 1568461598. It was assigned on July 20, 2005, and it is active in the NPI Registry.
What does Robert Warren specialize in?
Robert Warren is a hematologist and oncologist in Lewes, Delaware. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Robert Warren practice?
Robert Warren practices at 424 Savannah Rd, Lewes, DE 19958. Robert Warren's primary practice is Beebe Healthcare in Lewes, Delaware, part of Beebe Medical Center.
What is Robert Warren's office phone number?
The practice phone on file for Robert Warren is (302) 645-3300.
What is Robert Warren's medical license number?
Robert Warren holds District of Columbia license 21025.
Which hospitals is Robert Warren affiliated with?
Robert Warren practices at Beebe Healthcare in Lewes, Delaware. Robert Warren is also affiliated with MedStar Georgetown University Hospital.
What medical group is Robert Warren part of?
Robert Warren is linked to MedStar Georgetown University Hospital.
Does Robert Warren accept Medicare?
Yes. CMS data shows Robert Warren billed Medicare for 178 services in 2020.
What services does Robert Warren bill to Medicare?
In 2020, Robert Warren's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99442).
What drugs does Robert Warren prescribe most?
In 2020 Medicare Part D data, Robert Warren's most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Latanoprost.
Has Robert Warren received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Robert Warren from 1 company from 2021 to 2021. The largest total came from Gilead Sciences, Inc.
How long has Robert Warren been practicing?
Robert Warren's NPI was assigned in 2005.
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