Dr. Samantha A. Seaward, MD
- Part D claims, 2024
- 15
- Publications
- 22
- Clinical trials
- 6
- Industry payments
- $1,823
- Affiliated sites
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Seaward'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. Samantha A. Seaward is a radiation oncologist in Richmond, California
Dr. Seaward practices at Richmond Medical Center in Richmond, California.
Dr. Seaward's NPI, 1790862621, was assigned on October 31, 2006. Dr. Seaward graduated from David Geffen School of Medicine at UCLA in 1995. Dr. Seaward holds California license A61898.
- NPI
- 1790862621NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032022884
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samantha A. Seaward practices at Richmond Medical Center in Richmond, California
Dr. Seaward's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Samantha A. Seaward is affiliated with 2 sites of care and 1 medical group
Dr. Seaward's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Seaward to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Samantha A. Seaward's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seaward practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samantha A. Seaward is one of 685 radiation oncologists in California
Radiation oncology is Dr. Seaward's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Seaward is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Seaward's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- Maryland license
Clinical focus
Dmand AI lists breast cancer radiation among the conditions Dr. Seaward treats.
Radiation oncologists near Dr. Seaward
Counts of radiation 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. Samantha A. Seaward's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Seaward's median patient age at 54, with 83% women.
Dr. Seaward's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women83%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Samantha A. Seaward wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Seaward wrote 15 Medicare Part D claims for 12 patients. 93% of them were for generic drugs. They cover 1 drug, with $661 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Seaward's Part D claims by kind of drug, 2024
- Generic14 claims93%
- Brand-name and other1 claims7%
Dr. Seaward's most prescribed drugs by claims, 2023
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, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 122023: 1633%
Drugs named by CMS: 1 in 2023, 1 in 2020.
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. Samantha A. Seaward takes part in Medicare
Dr. Seaward 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)
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Dr. Samantha A. Seaward has 22 publications on record
Dmand AI links 22 papers to Dr. Seaward, published from 2016 to 2025. 2022 was the busiest year, with 5. The most frequent topics are Prostatic Neoplasms, Radiation Dose Hypofractionation and Breast Neoplasms. Dr. Seaward has published most often in Int J Radiat Oncol Biol Phys. Dr. Seaward's most frequent co-authors are Howard M. Sandler, MD, Jeff Michael Michalski, MD and William Robert Lee, MD.
Dr. Seaward's papers by year, 2016 to 2025
Topics Dr. Seaward writes about most
- Prostatic Neoplasms
- Radiation Dose Hypofractionation
- Breast Neoplasms
- Chemoradiotherapy
- COVID-19
- Lymphatic Metastasis
- Patient Reported Outcome Measures
- Prostate-Specific Antigen
Dr. Seaward's most frequent co-authors
- Howard M. Sandler, MD10 shared papers
- Jeff Michael Michalski, MD8 shared papers
- William Robert Lee, MD5 shared papers
Recent publications by Dr. Seaward
Int J Radiat Oncol Biol Phys
Int J Radiat Oncol Biol Phys
Int J Radiat Oncol Biol Phys
See who Dr. Seaward researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Seaward works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Samantha A. Seaward has worked on 6 clinical trials
Dmand AI links Dr. Seaward to 6 clinical trials, 4 of them phase 3 studies. 2 are still active or recruiting. Conditions studied include Prostatic Neoplasms, Radiation Injuries and Prostatic Diseases. Radiation Therapy Oncology Group sponsors the most, 5.
Clinical trials with Dr. Seaward by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 4Phase 3: 4 trials
- NonePhase 4: no trials
Conditions in Dr. Seaward's trials
- Prostatic Neoplasms
- Radiation Injuries
- Prostatic Diseases
- Adenocarcinoma Of Esophagus
- Neurotoxicity Syndromes
Investigators on the most trials with Dr. Seaward
- Brian K. Chang, MD4 shared trials
- Samir Narayan, MD4 shared trials
- Adam Wayne Nowlan, MD4 shared trials
Recent clinical trials with Dr. Seaward
Standard Versus Intensity-Modulated Pelvic Radiation Therapy in Treating Patients With Endometrial or Cervical Cancer (opens in a new tab)
Radiation Therapy, Paclitaxel, and Carboplatin With or Without Trastuzumab in Treating Patients With Esophageal Cancer (opens in a new tab)
Androgen-Deprivation Therapy and Radiation Therapy in Treating Patients With Prostate Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Samantha A. Seaward received $1,823 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Seaward from 2 drug and device companies from 2018 to 2023. Travel and lodging make up the largest share, 72% of the total. Genentech, Inc. paid the most, $1,655.
General payments to Dr. Seaward by program year, 2018 to 2023
General payments to Dr. Seaward by kind, 2018 to 2023
- Travel and lodging$1,30772%
- Food and beverage$51628%
Companies that paid Dr. Seaward the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samantha A. Seaward has 1 award and honors on record
Dmand AI lists 1 award for Dr. Seaward, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Seaward
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Samantha A. Seaward graduated from David Geffen School of Medicine at UCLA
Dr. Seaward graduated from David Geffen School of Medicine at UCLA in 1995.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Samantha A. Seaward accepts plans from 1 insurance carrier
Dr. Seaward is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Seaward accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Samantha A. Seaward'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Samantha A. Seaward
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. Samantha A. Seaward's NPI number?
Dr. Samantha A. Seaward's NPI number is 1790862621. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samantha A. Seaward?
Dr. Samantha A. Seaward is a radiation oncologist in Richmond, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Samantha A. Seaward practice?
Dr. Seaward practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Seaward's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Seaward to 1 group practice or clinic.
What is Dr. Samantha A. Seaward's office phone number?
The practice phone on file for Dr. Seaward is (510) 307-1555.
What is Dr. Samantha A. Seaward's medical license number?
Dr. Seaward holds California license A61898, one of the licenses on file in 2 states.
Which states has Dr. Samantha A. Seaward been licensed in?
Dmand AI has state licenses on file for Dr. Seaward in California (1997 to 2026) and Maryland (2009 to 2025).
What medical group is Dr. Samantha A. Seaward part of?
Dr. Seaward is linked to The Permanente Medical Group, Inc.
Does Dr. Samantha A. Seaward accept Medicare?
Yes. CMS lists Dr. Seaward as accepting Medicare assignment.
Is Dr. Samantha A. Seaward board certified?
Yes. Dr. Seaward is board certified in radiation oncology by the American Board of Radiology.
Where did Dr. Samantha A. Seaward go to medical school?
Dr. Seaward graduated from David Geffen School of Medicine at UCLA in 1995.
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What drugs does Dr. Samantha A. Seaward prescribe most?
In 2023 Medicare Part D data, Dr. Seaward's most prescribed drugs by claims were Mometasone Furoate.
Has Dr. Samantha A. Seaward received payments from drug or device companies?
CMS Open Payments shows $1,823 in general payments to Dr. Seaward from 2 companies from 2018 to 2023. The largest total came from Genentech, Inc.
How long has Dr. Samantha A. Seaward been practicing?
Dr. Seaward graduated from medical school in 1995, 31 years ago.
Does Dr. Samantha A. Seaward do research?
Dmand AI links 22 publications to Dr. Seaward, published from 2016 to 2025. Dr. Seaward has worked on 6 clinical trials.
Who does Dr. Samantha A. Seaward publish with?
Dr. Seaward's most frequent co-authors are Howard M. Sandler, MD (10 shared papers), Jeff Michael Michalski, MD (8 shared papers) and William Robert Lee, MD (5 shared papers).
What insurance does Dr. Samantha A. Seaward accept?
Dr. Seaward is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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