Margaret Grace Walker, MD
Emergency Medicine Physician · Hampton, VA
Margaret Grace Walker, MD is an emergency medicine physician with a practice address in Hampton, Virginia, and NPI 1942905831, issued on Apr 3, 2023. Check the license (Virginia 0101289597, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Margaret Grace Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 0101289597 VA
Self-reported in NPPES; status is on the state search - Practice location
- 633D Medical Group, Hampton, VA 23665
- Phone
- (757) 764-6800
- Enumerated
- Apr 3, 2023
- Record last updated
- Jul 9, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 633D Medical Group
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Grace Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101289597Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average emergency medicine physician in 2024
41 Medicare Part D claims for 22 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Margaret Grace Walker among 1,715 emergency medicine physician records in Virginia
Margaret Grace Walker, MD is one of 1,715 emergency medicine physician records with a practice address in Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 emergency medicine physician records list a practice address in Hampton
They are 34 of the 2,446 NPPES records with a practice address in Hampton, and 1,715 emergency medicine physician records in Virginia.
All 1,715 in Virginia → Every provider in Hampton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Brooks, MDJoint Base Langley Eustis, VA 236651659515708
- Andrew Bruton, M.D.Joint Base Langley Eustis, VA 236651487882536
- Kristopher Filak, M.D.Langley Afb, VA 236651396034609
- Casey French, DOHampton, VA 236651932660669
- Kyle Hollmann, DOHampton, VA 236651285195966
- John Janousek, M.D.Hampton, VA 236651871533992
- Travis Kling, MDHampton, VA 236651811458581
- Adam KoertnerLangley Afb, VA 236651831108083
Common questions
What is Margaret Grace Walker, MD's NPI number?
Margaret Grace Walker, MD's National Provider Identifier (NPI) is 1942905831, issued on Apr 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Grace Walker, MD located?
The NPPES record lists a practice address at 633D Medical Group, Hampton, VA, 23665. Phone: (757) 764-6800. Providers update this record themselves, so call before visiting.
How can I verify Margaret Grace Walker, MD's license?
NPPES lists Virginia license number 0101289597, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Grace Walker, MD prescribe under Medicare Part D?
In 2024, Margaret Grace Walker, MD had 41 Medicare Part D claims for 22 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.