Nicholas Seymour, PA-C
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 51
- Hospital affiliations
- 2
- Industry payments
- $200
- Medical group
- 1
- Practice address
- 90 Greenspring Dr, Stafford, VA 22554
- Practice phone
- Call (540) 741-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Washington Healthcare Physicians
Stafford, Virginia
Find Nicholas Seymour'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.
Nicholas Seymour is a physician assistant in Stafford, Virginia
Nicholas Seymour practices at Mary Washington Healthcare Physicians in Stafford, Virginia.
Nicholas Seymour's NPI, 1396507778, was assigned on January 30, 2024. Nicholas Seymour holds Virginia license 0110009899.
- NPI
- 1396507778NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375089766
- NPI enumeration date
- January 30, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 741-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nicholas Seymour practices at Mary Washington Healthcare Physicians in Stafford, Virginia
Nicholas Seymour's primary practice is Mary Washington Healthcare Physicians, at 90 Greenspring Dr, Stafford, VA 22554 in Stafford County. The practice phone is (540) 741-1100.
- Mary Washington Healthcare Physicians90 Greenspring Dr, Stafford, VA 22554 · Stafford CountyPhone(540) 741-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nicholas Seymour is affiliated with 4 sites of care and 1 medical group
Nicholas Seymour's primary practice is Mary Washington Healthcare Physicians in Stafford, Virginia. Nicholas Seymour is also affiliated with Stafford Hospital. The medical group on file is Mary Washington Healthcare. Dmand AI also links Nicholas Seymour to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nicholas Seymour's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Seymour practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Washington Healthcare Physicians | Available with a free account |
| +3 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Nicholas Seymour is one of 3,636 physician assistants in Virginia
Physician assistant is Nicholas Seymour's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Nicholas Seymour is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Nicholas Seymour
Counts of physician assistants 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
Nicholas Seymour treated 132 Medicare patients in 2024, average age 73
CMS counts 132 Medicare patients who saw Nicholas Seymour in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nicholas Seymour's median patient age at 51, with 66% women.
Nicholas Seymour's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Nicholas Seymour's Medicare patients by sex, 2024
- Women8564%
- Men4736%
Chronic conditions among Nicholas Seymour's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes30%
- Ischemic heart disease27%
- Anxiety25%
- Mood disorders22%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Nicholas Seymour's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nicholas Seymour wrote 51 Medicare Part D claims in 2024
In 2024, Nicholas Seymour wrote 51 Medicare Part D claims for 41 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Nicholas Seymour's Part D claims, 2024
- Opioids22%11 of 51 claims
- Antibiotics24%12 of 51 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Nicholas Seymour takes part in Medicare
Nicholas Seymour 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.
Nicholas Seymour received $200 in industry payments in 2025
CMS Open Payments shows 2 general payments to Nicholas Seymour from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $114.
Companies that paid Nicholas Seymour 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 Nicholas Seymour'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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 Nicholas Seymour
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nicholas Seymour's NPI number?
Nicholas Seymour's NPI number is 1396507778. It was assigned on January 30, 2024, and it is active in the NPI Registry.
What does Nicholas Seymour specialize in?
Nicholas Seymour is a physician assistant in Stafford, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Nicholas Seymour practice?
Nicholas Seymour practices at 90 Greenspring Dr, Stafford, VA 22554. Nicholas Seymour's primary practice is Mary Washington Healthcare Physicians in Stafford, Virginia. Dmand AI also links Nicholas Seymour to 1 hospital and 1 group practice or clinic.
What is Nicholas Seymour's office phone number?
The practice phone on file for Nicholas Seymour is (540) 741-1100.
What is Nicholas Seymour's medical license number?
Nicholas Seymour holds Virginia license 0110009899.
Which hospitals is Nicholas Seymour affiliated with?
Nicholas Seymour is affiliated with Stafford Hospital. Dmand AI links Nicholas Seymour to 1 more hospital.
What medical group is Nicholas Seymour part of?
Nicholas Seymour is linked to Mary Washington Healthcare.
Does Nicholas Seymour accept Medicare?
Yes. CMS lists Nicholas Seymour as accepting Medicare assignment.
How many Medicare patients does Nicholas Seymour see?
CMS counts 132 Medicare patients who saw Nicholas Seymour in 2024, with an average age of 73.
Has Nicholas Seymour received payments from drug or device companies?
CMS Open Payments shows $200 in general payments to Nicholas Seymour from 2 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Nicholas Seymour been practicing?
Nicholas Seymour graduated from medical school in 2023, 3 years ago.
Selling to physician assistant practices?
See physician assistants in Virginia 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