Dr. Hilary Eileen Gwynn, MD
- Part D claims, 2024
- 17
- Hospital affiliations
- 1
- Industry payments
- $37
- Medical group
- 1
- State license
- 1
- Practice address
- 801 N Broadway, Baltimore, MD 21205
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Brachial Plexus Injury Clinic - HOPD
Childrens Hospital outpatient department · Baltimore, Maryland
Find Dr. Gwynn'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. Hilary Eileen Gwynn is a pediatric neurodevelopmental disabilities physician in Baltimore, Maryland
Dr. Gwynn practices at Brachial Plexus Injury Clinic - HOPD in Baltimore, Maryland.
Dr. Gwynn's NPI, 1710037247, was assigned on January 10, 2007. Dr. Gwynn graduated from University of Maryland School of Medicine in 2000. Dr. Gwynn holds Maryland license M54657.
- NPI
- 1710037247NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456447556
- NPI enumeration date
- January 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hilary Eileen Gwynn practices at Brachial Plexus Injury Clinic - HOPD in Baltimore, Maryland
Dr. Gwynn's primary practice is Brachial Plexus Injury Clinic - HOPD, at 801 N Broadway, Baltimore, MD 21205.
- Brachial Plexus Injury Clinic - HOPD801 N Broadway, Baltimore, MD 21205
Source: Dmand AI Affiliation Data
Dr. Hilary Eileen Gwynn is affiliated with 2 sites of care and 1 medical group
Dr. Gwynn's primary practice is Brachial Plexus Injury Clinic - HOPD in Baltimore, Maryland. Dr. Gwynn is also affiliated with Kennedy Krieger Institute. The medical group on file is Kennedy Krieger Institute.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Hilary Eileen Gwynn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gwynn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brachial Plexus Injury Clinic - HOPD | 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. Hilary Eileen Gwynn is one of 14 pediatric neurodevelopmental disabilities physicians in Maryland
Neurodevelopmental disabilities is Dr. Gwynn's primary specialty in the NPI Registry, under taxonomy code 2080P0008X. Dr. Gwynn is licensed in Maryland.
Specialties and state licenses
- Pediatric neurodevelopmental disabilities, MarylandPrimary
Pediatric neurodevelopmental disabilities physicians near Dr. Gwynn
Counts of pediatric neurodevelopmental disabilities 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. Hilary Eileen Gwynn's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Gwynn's median patient age at 10, with 41% women.
Dr. Gwynn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women41%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Hilary Eileen Gwynn wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Gwynn wrote 17 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $255,028 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Gwynn's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
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. Hilary Eileen Gwynn takes part in Medicare
Dr. Gwynn 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. Hilary Eileen Gwynn received $37 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Gwynn from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $37.
Companies that paid Dr. Gwynn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hilary Eileen Gwynn graduated from University of Maryland School of Medicine
Dr. Gwynn graduated from University of Maryland School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hilary Eileen Gwynn'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 Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Hilary Eileen Gwynn
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. Hilary Eileen Gwynn's NPI number?
Dr. Hilary Eileen Gwynn's NPI number is 1710037247. It was assigned on January 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Hilary Eileen Gwynn?
Dr. Hilary Eileen Gwynn is a pediatric neurodevelopmental disabilities physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Pediatric Neurodevelopmental Disabilities Physician (taxonomy code 2080P0008X).
Where does Dr. Hilary Eileen Gwynn practice?
Dr. Gwynn practices at 801 N Broadway, Baltimore, MD 21205. Dr. Gwynn's primary practice is Brachial Plexus Injury Clinic - HOPD in Baltimore, Maryland.
What is Dr. Hilary Eileen Gwynn's medical license number?
Dr. Gwynn holds Maryland license M54657.
Which hospitals is Dr. Hilary Eileen Gwynn affiliated with?
Dr. Gwynn is affiliated with Kennedy Krieger Institute.
What medical group is Dr. Hilary Eileen Gwynn part of?
Dr. Gwynn is linked to Kennedy Krieger Institute.
Does Dr. Hilary Eileen Gwynn accept Medicare?
Yes. CMS lists Dr. Gwynn as accepting Medicare assignment.
Where did Dr. Hilary Eileen Gwynn go to medical school?
Dr. Gwynn graduated from University of Maryland School of Medicine in 2000.
What drugs does Dr. Hilary Eileen Gwynn prescribe most?
In 2024 Medicare Part D data, Dr. Gwynn's most prescribed drugs by claims were Miglustat.
Has Dr. Hilary Eileen Gwynn received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Gwynn from 1 company from 2025 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Hilary Eileen Gwynn been practicing?
Dr. Gwynn graduated from medical school in 2000, 26 years ago.
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