William Andrew Gramley, MD
Gastroenterology Physician · Wilmington, NC
William Andrew Gramley, MD is a gastroenterology physician with a practice address in Wilmington, North Carolina, and NPI 1720072150, issued on Aug 31, 2005. Check the license (North Carolina 9300480, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Andrew Gramley
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 9300480 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Physicians Dr, Wilmington, NC 28401
- Phone
- (910) 662-8300
- Enumerated
- Aug 31, 2005
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100819000642); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 681 in North Carolina → Look up another NPI →
Also registered at 1520 Physicians Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosa BerryNurse Practitioner1962596981
- Katherine Brock, FNPNurse Practitioner1992378889
- Mehtap CanastarGastroenterology Physician1548657422
- Stacey Conti, PA-CPhysician Assistant1104870328
- Rebecca Edwards, PAPhysician Assistant1053331272
- Alexandra Evans, NURSE PRACTITIONERNurse Practitioner1558954891
Verify William Andrew Gramley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 9300480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average gastroenterology physician in 2024
600 Medicare Part D claims for 165 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Omeprazole58 claims
- Pantoprazole Sodium58 claims
- Entyvio49 claims
- Linzess46 claims
- Diphenoxylate-Atropine30 claims
- Colestipol Hcl29 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
- Novant Health Medical Group Coastal Region LLCWilmington, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Andrew Gramley among 681 gastroenterology physician records in North Carolina
William Andrew Gramley, MD is one of 681 gastroenterology physician records with a practice address in North Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1992 · median 2002 among the 498 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Carolina
There are 681 gastroenterology physician records in North Carolina.
All 681 in North Carolina → Every provider in Wilmington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mehtap CanastarWilmington, NC 284011548657422
- Charles Fox, MDWilmington, NC 284011881685790
- Kevin Gaylord, MDWilmington, NC 284011235122656
- Jisun Hahn, M.D.Wilmington, NC 284011043470628
- Jeremy Hess, DOWilmington, NC 284011760944938
- Michael Mastrangelo, MDWilmington, NC 284011376537712
- James Mertesdorf, M.D.Wilmington, NC 284011891789756
- Matthew Mlot, MDWilmington, NC 284011093728883
Common questions
What is William Andrew Gramley, MD's NPI number?
William Andrew Gramley, MD's National Provider Identifier (NPI) is 1720072150, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Andrew Gramley, MD located?
The NPPES record lists a practice address at 1520 Physicians Dr, Wilmington, NC, 28401. Phone: (910) 662-8300. Providers update this record themselves, so call before visiting.
How can I verify William Andrew Gramley, MD's license?
NPPES lists North Carolina license number 9300480, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Andrew Gramley, MD prescribe under Medicare Part D?
In 2024, William Andrew Gramley, MD had 600 Medicare Part D claims for 165 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.