Dr. James A. Seymour, DO
- Part D claims, 2024
- 13
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. Seymour's professional email, personal email and mobile number
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Dr. James A. Seymour is a general practice physician in Campbell, California
Dr. Seymour practices at Signify Health in Campbell, California.
Dr. Seymour's NPI, 1265965693, was assigned on April 3, 2017. Dr. Seymour holds New Mexico license DO2023-0052.
- NPI
- 1265965693NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284006776
- NPI enumeration date
- April 3, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James A. Seymour practices at Signify Health in Campbell, California
Dr. Seymour's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James A. Seymour is affiliated with 3 sites of care and 2 medical groups
Dr. Seymour's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Dr. Seymour to 2 more group practices and clinics and 1 medical group, each 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. James A. Seymour's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seymour practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | 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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Dr. James A. Seymour is one of 1,526 general practice physicians in California
General practice is Dr. Seymour's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Seymour is licensed in New Mexico.
Specialties and state licenses
- General practice, New MexicoPrimary
General practice physicians near Dr. Seymour
Counts of general practice physicians 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. James A. Seymour's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Seymour's median patient age at 65, with 50% women.
Dr. 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 65
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. James A. Seymour wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Seymour wrote 13 Medicare Part D claims. 92% of them were for generic drugs. They cover 2 drugs, with $140 in total drug cost. In 2020, CMS named 14 claims across 1 drug.
Dr. Seymour's Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Dr. Seymour's most prescribed drugs by claims, 2021
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 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 142021: 2364%
Drugs named by CMS: 2 in 2021, 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. James A. Seymour takes part in Medicare
Dr. 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)
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Sources for Dr. James A. 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 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) |
| 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. James A. 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 Dr. James A. Seymour's NPI number?
Dr. James A. Seymour's NPI number is 1265965693. It was assigned on April 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. James A. Seymour?
Dr. James A. Seymour is a general practice physician in Campbell, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. James A. Seymour practice?
Dr. Seymour practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Seymour's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Seymour to 2 group practices and clinics and 1 medical group.
What is Dr. James A. Seymour's office phone number?
The practice phone on file for Dr. Seymour is (469) 466-7007.
What is Dr. James A. Seymour's medical license number?
Dr. Seymour holds New Mexico license DO2023-0052.
What medical group is Dr. James A. Seymour part of?
Dr. Seymour is linked to Signify Health. Dmand AI links Dr. Seymour to 1 more medical group.
Does Dr. James A. Seymour accept Medicare?
Yes. CMS lists Dr. Seymour as accepting Medicare assignment.
What drugs does Dr. James A. Seymour prescribe most?
In 2021 Medicare Part D data, Dr. Seymour's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Acetaminophen-Codeine.
How long has Dr. James A. Seymour been practicing?
Dr. Seymour graduated from medical school in 2017, 9 years ago.
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