William Harrison Grigg, DMD
General Practice Dentistry · Greensboro, NC
William Harrison Grigg, DMD is a general practice dentistry with a practice address in Greensboro, North Carolina, and NPI 1336728237, issued on Apr 7, 2021. Check the license (North Carolina 12666, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Harrison Grigg
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 12666 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1507 Westover Ter Ste A, Greensboro, NC 27408
- Phone
- (336) 275-1472
- Enumerated
- Apr 7, 2021
- Record last updated
- Nov 22, 2022
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,856 in North Carolina → Look up another NPI →
Verify William Harrison Grigg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 12666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average general practice dentistry in 2024
46 Medicare Part D claims for 33 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin17 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.
Industry payments in 2024: $47.22
3 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Harrison Grigg among 3,856 general practice dentistry records in North Carolina
William Harrison Grigg, DMD is one of 3,856 general practice dentistry records with a practice address in North Carolina. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 general practice dentistry records list a practice address in Greensboro
They are 121 of the 8,190 NPPES records with a practice address in Greensboro, and 3,856 general practice dentistry records in North Carolina.
All 3,856 in North Carolina → Every provider in Greensboro → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Jude Aucoin, D.D.S.Greensboro, NC 274081831261346
- Edwin Booth, DDSGreensboro, NC 274081437240793
- Brian Coates, D.D.SGreensboro, NC 274081073533733
- David Fisher, DDSGreensboro, NC 274081760522999
- Sandra Fuller, DDSGreensboro, NC 274081982617361
- Foy Grubb, D.D.S.Greensboro, NC 274081346247996
- Mark Hyman, DDSGreensboro, NC 274081508915869
- Preston Keith, DDSGreensboro, NC 274081346380565
Common questions
What is William Harrison Grigg, DMD's NPI number?
William Harrison Grigg, DMD's National Provider Identifier (NPI) is 1336728237, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Harrison Grigg, DMD located?
The NPPES record lists a practice address at 1507 Westover Ter Ste A, Greensboro, NC, 27408. Phone: (336) 275-1472. Providers update this record themselves, so call before visiting.
How can I verify William Harrison Grigg, DMD's license?
NPPES lists North Carolina license number 12666, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does William Harrison Grigg, DMD prescribe under Medicare Part D?
In 2024, William Harrison Grigg, DMD had 46 Medicare Part D claims for 33 beneficiaries; the average among general practice dentistry prescribers was 83. 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.