Dr. Gwen Lynn Du Bois, MD
- Medicare services, 2020
- 134
- Part D claims, 2018
- 12
- Industry payments
- $19
- Medical group
- 1
- State license
- 1
- Practice address
- 2411 W Belvedere Ave Ste 205, Baltimore, MD 21215
- Practice phone
- Call (410) 601-8331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sinai Gynecologic Oncology
Hospital · Baltimore, Maryland
Find Dr. Du Bois' 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 Lynn Du Bois is an internist in Baltimore, Maryland
Dr. Du Bois practices at Sinai Gynecologic Oncology in Baltimore, Maryland.
Dr. Du Bois' NPI, 1235234691, was assigned on September 13, 2006. Dr. Du Bois holds Maryland license D0030942.
- NPI
- 1235234691NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Practice phone
- (410) 601-8331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gwen Lynn Du Bois practices at 2 locations in Baltimore, Maryland
Dr. Du Bois' primary practice is Sinai Gynecologic Oncology, at 2411 W Belvedere Ave Ste 205, Baltimore, MD 21215. The practice phone is (410) 601-8331. The NPI Registry lists Dr. Du Bois' practice address as 4940 Eastern Ave, Baltimore, MD 21224.
- Sinai Gynecologic OncologyPrimary2411 W Belvedere Ave Ste 205, Baltimore, MD 21215Phone(410) 601-8331
- NPI Registry address4940 Eastern Ave, Baltimore, MD 21224 · Baltimore CityPhone(410) 601-0070
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Gwen Lynn Du Bois is affiliated with 1 site of care and 1 medical group
Dr. Du Bois' primary practice is Sinai Gynecologic Oncology in Baltimore, Maryland. The medical group on file is Sinai Rehab Pain Medicine Associates.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gwen Lynn Du Bois' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Du Bois practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sinai Gynecologic Oncology | 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.
Dr. Gwen Lynn Du Bois is one of 3,320 internists in Maryland
Internal medicine is Dr. Du Bois' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Du Bois is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Du Bois
Counts of internists 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 Lynn Du Bois billed Medicare for 134 services in 2020
CMS data shows 134 Medicare services from Dr. Du Bois across 1 procedure code in 2020. Medicare paid $2,098 for them. Every service was in an office.
Dr. Du Bois' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 972020: 13438%
Dr. Du Bois compared with the Maryland median for internists, 2020
- Dr. Du Bois
- Maryland median
- Medicare services
- 134vs 65680% below
- Part D claims
- 12vs 30996% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Du Bois' 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.
Need commercial claims for Dr. Du Bois?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Du Bois and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gwen Lynn Du Bois' patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Du Bois' median patient age at 59, with 59% women.
Dr. Du Bois' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Gwen Lynn Du Bois wrote 12 Medicare Part D claims in 2018
In 2018, Dr. Du Bois wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $24 in total drug cost. In 2016, CMS named 80 claims across 6 drugs.
Dr. Du Bois' most prescribed drugs by claims, 2018
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, 2016 to 2018
- 2016
- 2018
- Claims for drugs CMS names
- 2016: 802018: 1285%
Drugs named by CMS: 1 in 2018, 6 in 2016.
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.
Dr. Gwen Lynn Du Bois received $19 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Du Bois from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $19.
Companies that paid Dr. Du Bois the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gwen Lynn Du Bois'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)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation 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 Dr. Gwen Lynn Du Bois
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 Lynn Du Bois' NPI number?
Dr. Gwen Lynn Du Bois' NPI number is 1235234691. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gwen Lynn Du Bois?
Dr. Gwen Lynn Du Bois is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gwen Lynn Du Bois practice?
Dr. Du Bois practices at 2411 W Belvedere Ave Ste 205, Baltimore, MD 21215. Dr. Du Bois also practices at 4940 Eastern Ave, Baltimore, MD 21224. Dr. Du Bois' primary practice is Sinai Gynecologic Oncology in Baltimore, Maryland.
What is Dr. Gwen Lynn Du Bois' office phone number?
The practice phone on file for Dr. Du Bois is (410) 601-8331.
What is Dr. Gwen Lynn Du Bois' medical license number?
Dr. Du Bois holds Maryland license D0030942.
What medical group is Dr. Gwen Lynn Du Bois part of?
Dr. Du Bois is linked to Sinai Rehab Pain Medicine Associates.
Does Dr. Gwen Lynn Du Bois accept Medicare?
Yes. CMS data shows Dr. Du Bois billed Medicare for 134 services in 2020.
What services does Dr. Gwen Lynn Du Bois bill to Medicare?
In 2020, Dr. Du Bois' most billed Medicare services were care management and other visits (99453).
What drugs does Dr. Gwen Lynn Du Bois prescribe most?
In 2018 Medicare Part D data, Dr. Du Bois' most prescribed drugs by claims were Hydrochlorothiazide.
Has Dr. Gwen Lynn Du Bois received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Du Bois from 1 company from 2016 to 2016. The largest total came from Boston Scientific Corporation.
How long has Dr. Gwen Lynn Du Bois been practicing?
Dr. Du Bois' NPI was assigned in 2006.
Selling to internal medicine practices?
See internists in Maryland 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