William Harrison Grigg, DMD
- Part D claims, 2024
- 46
- Hospital affiliations
- 1
- Industry payments
- $5
- Medical group
- 1
- State license
- 1
- Practice address
- 3916 Ben Franklin Boulevard, Durham, NC 27704
- Practice phone
- Call (919) 956-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Grigg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Harrison Grigg is a general practice dentistry in Durham, North Carolina
William Grigg practices at North Carolina Specialty Hospital in Durham, North Carolina, part of North Carolina Specialty Hospital.
William Grigg's NPI, 1336728237, was assigned on April 7, 2021. William Grigg holds North Carolina license 12666.
- NPI
- 1336728237NPI Registry (opens in a new tab)
- NPI enumeration date
- April 7, 2021
- NPI status
- Active
- Practice phone
- (919) 956-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Harrison Grigg practices at North Carolina Specialty Hospital in Durham, North Carolina
William Grigg's primary practice is North Carolina Specialty Hospital, at 3916 Ben Franklin Boulevard, Durham, NC 27704 in Durham County. The practice phone is (919) 956-9300.
- North Carolina Specialty Hospital3916 Ben Franklin Boulevard, Durham, NC 27704 · Durham CountyPhone(919) 956-9300
Source: Dmand AI Affiliation Data
William Harrison Grigg is affiliated with 2 sites of care and 1 medical group
William Grigg's primary practice is North Carolina Specialty Hospital in Durham, North Carolina, part of North Carolina Specialty Hospital. Dmand AI also links William Grigg to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Harrison Grigg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Grigg practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Carolina Specialty Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across North Carolina Specialty Hospital and 6.2K+ hospitals, with verified contacts in the same login.
William Harrison Grigg is one of 2,089 general practice dentistrys in North Carolina
General practice is William Grigg's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. William Grigg is licensed in North Carolina.
Specialties and state licenses
- General practice dentistry, North CarolinaPrimary
General practice dentistrys near William Grigg
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Harrison Grigg's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts William Grigg's median patient age at 79, with 67% women.
William Grigg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
William Harrison Grigg wrote 46 Medicare Part D claims in 2024
In 2024, William Grigg wrote 46 Medicare Part D claims for 33 patients. 78% of them were for generic drugs.
William Grigg's Part D claims by kind of drug, 2024
- Generic36 claims78%
- Brand-name and other10 claims22%
Drug classes CMS tracks in William Grigg's Part D claims, 2024
- Antibiotics48%22 of 46 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
William Harrison Grigg received $5 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Grigg from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Align Technology, Inc. paid the most, $5.
Companies that paid William Grigg the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Harrison Grigg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Harrison Grigg
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Harrison Grigg's NPI number?
William Harrison Grigg's NPI number is 1336728237. It was assigned on April 7, 2021, and it is active in the NPI Registry.
What does William Harrison Grigg specialize in?
William Harrison Grigg is a general practice dentistry in Durham, North Carolina. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does William Harrison Grigg practice?
William Grigg practices at 3916 Ben Franklin Boulevard, Durham, NC 27704. William Grigg's primary practice is North Carolina Specialty Hospital in Durham, North Carolina, part of North Carolina Specialty Hospital. Dmand AI also links William Grigg to 1 group practice or clinic and 1 medical group.
What is William Harrison Grigg's office phone number?
The practice phone on file for William Grigg is (919) 956-9300.
What is William Harrison Grigg's medical license number?
William Grigg holds North Carolina license 12666.
Which hospitals is William Harrison Grigg affiliated with?
William Grigg practices at North Carolina Specialty Hospital in Durham, North Carolina.
Has William Harrison Grigg received payments from drug or device companies?
CMS Open Payments shows $5 in general payments to William Grigg from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has William Harrison Grigg been practicing?
William Grigg's NPI was assigned in 2021.
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