Hilary Eileen Gwynn, M.D.
Pediatric Neurodevelopmental Disabilities Physician · Baltimore, MD
Hilary Eileen Gwynn, M.D. is a pediatric neurodevelopmental disabilities physician with a practice address in Baltimore, Maryland, and NPI 1710037247, issued on Jan 10, 2007. Check the license (Maryland M54657, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Hilary Eileen Gwynn
- Credential
- M.D.
- Primary taxonomy
- Pediatric Neurodevelopmental Disabilities Physician 2080P0008X
- License number
- M54657 MD
Self-reported in NPPES; status is on the state search - Practice location
- 707 N Broadway, Baltimore, MD 21205
- Phone
- (443) 923-3240
- Enumerated
- Jan 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (443) 923-3255
- Medicare enrollment
- Enrolled (PECOS I20071022000141); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest pediatric neurodevelopmental disabilities physician records → All 18 in Maryland → Look up another NPI →
Also registered at 707 N Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Abbott, OTR/LOccupational Therapist1558211557
- Tarila AbbottPsychologist1255997466
- Victoria AbivaOccupational Therapist1104751627
- Shahla Adam, LCSW-CClinical Social Worker1174644256
- Claire-Elizabeth AgbuStudent in an Organized Health Care Education/Training Program1396314696
- Jae Hyung AhnStudent in an Organized Health Care Education/Training Program1518715382
Verify Hilary Eileen Gwynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license M54657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average pediatric neurodevelopmental disabilities physician in 2024
17 Medicare Part D claims, against an average of 566 among the 59 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Miglustat11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kennedy Krieger AssociatesBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hilary Eileen Gwynn among 18 pediatric neurodevelopmental disabilities physician records in Maryland
Hilary Eileen Gwynn, M.D. is one of 18 pediatric neurodevelopmental disabilities physician records with a practice address in Maryland. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.
- NPI issued2007 · 28% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0008X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Neurodevelopmental Disabilities Physician providers in Maryland
There are 18 pediatric neurodevelopmental disabilities physician records in Maryland.
All 18 in Maryland → Every provider in Baltimore → Pediatric Neurodevelopmental Disabilities Physician nationwide →
The 8 pediatric neurodevelopmental disabilities physician records with the nearest ZIP codes
- Mihee BayBaltimore, MD 212051881814325
- Eric Chin, MDBaltimore, MD 212051225444540
- Ryan Gill, M.D.Baltimore, MD 212051780084202
- Mary Leppert, MDBaltimore, MD 212051720136344
- Wilfreda Lindsey, MDBaltimore, MD 212051184078198
- Paul Lipkin, MDBaltimore, MD 212051124182720
- Alizah Patterson, MDBaltimore, MD 212051740785963
- Jamie Perry, MDBaltimore, MD 212051639329873
Common questions
What is Hilary Eileen Gwynn, M.D.'s NPI number?
Hilary Eileen Gwynn, M.D.'s National Provider Identifier (NPI) is 1710037247, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hilary Eileen Gwynn, M.D. located?
The NPPES record lists a practice address at 707 N Broadway, Baltimore, MD, 21205. Phone: (443) 923-3240. Providers update this record themselves, so call before visiting.
How can I verify Hilary Eileen Gwynn, M.D.'s license?
NPPES lists Maryland license number M54657, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hilary Eileen Gwynn, M.D. prescribe under Medicare Part D?
In 2024, Hilary Eileen Gwynn, M.D. had 17 Medicare Part D claims; the average among pediatric neurodevelopmental disabilities physician prescribers was 566. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.