Dr. Gwen Marcus, MD
- Industry payments
- $65
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9635 17th Ave Sw, Seattle, WA 98106-2712
- Practice phone
- Call (206) 763-5057
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roxbury Clinic
Multi-specialty group site · Seattle, Washington
Find Dr. Marcus' 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. Gwen Marcus is a neonatologist in Seattle, Washington
Dr. Marcus practices at Roxbury Clinic in Seattle, Washington.
Dr. Marcus' NPI, 1760424816, was assigned on June 12, 2006. Dr. Marcus holds Washington license MD00038714.
- NPI
- 1760424816NPI Registry (opens in a new tab)
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Practice phone
- (206) 763-5057
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gwen Marcus practices at Roxbury Clinic in Seattle, Washington
Dr. Marcus' primary practice is Roxbury Clinic, at 9635 17th Ave Sw, Seattle, WA 98106-2712. The practice phone is (206) 763-5057.
- Roxbury Clinic9635 17th Ave Sw, Seattle, WA 98106-2712Phone(206) 763-5057
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gwen Marcus is affiliated with 1 site of care and 1 medical group
Dr. Marcus' primary practice is Roxbury Clinic in Seattle, Washington. Dmand AI also links Dr. Marcus to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gwen Marcus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roxbury Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gwen Marcus is one of 93 neonatologists in Washington
Neonatal-perinatal medicine is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Marcus is licensed in Washington.
Specialties and state licenses
- Neonatal-perinatal medicine, WashingtonPrimary
Neonatologists near Dr. Marcus
Counts of neonatologists 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. Gwen Marcus received $65 in industry payments from 2016 to 2017
CMS Open Payments shows 4 general payments to Dr. Marcus from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $21.
General payments to Dr. Marcus by program year, 2016 to 2017
Companies that paid Dr. Marcus the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gwen Marcus'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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. Gwen Marcus
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. Gwen Marcus' NPI number?
Dr. Gwen Marcus' NPI number is 1760424816. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gwen Marcus?
Dr. Gwen Marcus is a neonatologist in Seattle, Washington. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. Gwen Marcus practice?
Dr. Marcus practices at 9635 17th Ave Sw, Seattle, WA 98106-2712. Dr. Marcus' primary practice is Roxbury Clinic in Seattle, Washington. Dmand AI also links Dr. Marcus to 1 medical group.
What is Dr. Gwen Marcus' office phone number?
The practice phone on file for Dr. Marcus is (206) 763-5057.
What is Dr. Gwen Marcus' medical license number?
Dr. Marcus holds Washington license MD00038714.
Has Dr. Gwen Marcus received payments from drug or device companies?
CMS Open Payments shows $65 in general payments to Dr. Marcus from 4 companies from 2016 to 2017. The largest total came from Pfizer Inc.
How long has Dr. Gwen Marcus been practicing?
Dr. Marcus' NPI was assigned in 2006.
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