Grayson Mast
Student in an Organized Health Care Education/Training Program · Norfolk, VA
Grayson Mast is a student in an organized health care education/training program with a practice address in Norfolk, Virginia, and NPI 1538809678, issued on Mar 29, 2022. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grayson Mast
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 825 Fairfax Ave Ste 610, Norfolk, VA 23507
- Phone
- (757) 446-8937
- Enumerated
- Mar 29, 2022
- Record last updated
- Mar 21, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 5,007 in Virginia → Look up another NPI →
Also registered at 825 Fairfax Ave Ste 610
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Abdullah, NP-CAcute Care Nurse Practitioner1821533084
- Ariel Berl, MDStudent in an Organized Health Care Education/Training Program1427876002
- Rachel Burke, M.D.Surgery Physician1942270624
- Matthew CarnellStudent in an Organized Health Care Education/Training Program1558011049
- Stephen Johnston, MDStudent in an Organized Health Care Education/Training Program1134869167
- Jeremy Joseph, MDStudent in an Organized Health Care Education/Training Program1225565203
Verify Grayson Mast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
23 Medicare Part D claims for 19 beneficiaries, against an average of 185 among the 59,748 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.
Grayson Mast among 5,007 student in an organized health care education/training program records in Virginia
Grayson Mast is one of 5,007 student in an organized health care education/training program records with a practice address in Virginia. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 23% of them.
- NPI issued2022 · 23% of these records are older, 70% newer
- In a Medicare fileYes · 28% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2023 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
545 student in an organized health care education/training program records list a practice address in Norfolk
They are 545 of the 5,993 NPPES records with a practice address in Norfolk, and 5,007 student in an organized health care education/training program records in Virginia.
All 5,007 in Virginia → Every provider in Norfolk → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Kristyn Beck, M.D.Norfolk, VA 235071780927160
- Rebecca Carmody, MDNorfolk, VA 235071215199757
- Timothy Davies, MDNorfolk, VA 235071609038124
- Wendy Doster, MDNorfolk, VA 235071346683307
- Kourosh Eshafi, M.D.Norfolk, VA 235071053540369
- Elionora Katz, MDNorfolk, VA 235071538486386
- Blair Lee, M.D.Norfolk, VA 235071912218173
- Karen Lou Luna, MDNorfolk, VA 235071144549072
Common questions
What is Grayson Mast's NPI number?
Grayson Mast's National Provider Identifier (NPI) is 1538809678, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Grayson Mast located?
The NPPES record lists a practice address at 825 Fairfax Ave Ste 610, Norfolk, VA, 23507. Phone: (757) 446-8937. Providers update this record themselves, so call before visiting.
How can I verify Grayson Mast's license?
Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Grayson Mast prescribe under Medicare Part D?
In 2024, Grayson Mast had 23 Medicare Part D claims for 19 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.