William Harrison Mellick III, PhD
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1208 2 Island Ct, Mount Pleasant, SC 29466
- Practice phone
- Call (803) 286-4666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC Physicians
Mount Pleasant, South Carolina
Find William Mellick'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 Mellick III is a clinical psychologist in Mount Pleasant, South Carolina
William Mellick practices at MUSC Physicians in Mount Pleasant, South Carolina.
William Mellick's NPI, 1154040293, was assigned on August 23, 2022. William Mellick holds South Carolina license 1542.
- NPI
- 1154040293NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315443835
- NPI enumeration date
- August 23, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 286-4666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Harrison Mellick III practices at MUSC Physicians in Mount Pleasant, South Carolina
William Mellick's primary practice is MUSC Physicians, at 1208 2 Island Ct, Mount Pleasant, SC 29466 in Charleston County. The practice phone is (803) 286-4666.
- MUSC Physicians1208 2 Island Ct, Mount Pleasant, SC 29466 · Charleston CountyPhone(803) 286-4666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Harrison Mellick III is affiliated with 3 sites of care and 2 medical groups
William Mellick's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. The medical group on file is MUSC Health. Dmand AI also links William Mellick to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Harrison Mellick III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Mellick practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC Physicians | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Harrison Mellick III is one of 196 clinical psychologists in South Carolina
Clinical is William Mellick's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. William Mellick is licensed in South Carolina.
Specialties and state licenses
- Clinical psychologist, South CarolinaPrimary
Clinical psychologists near William Mellick
Counts of clinical psychologists 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 Mellick III's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts William Mellick's median patient age at 37, with 82% women.
William Mellick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women82%
- Men14%
Source: Dmand AI Patient Panel Data
How William Harrison Mellick III takes part in Medicare
William Mellick accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for William Harrison Mellick III'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Mellick III
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 Mellick III's NPI number?
William Harrison Mellick III's NPI number is 1154040293. It was assigned on August 23, 2022, and it is active in the NPI Registry.
What does William Harrison Mellick III specialize in?
William Harrison Mellick III is a clinical psychologist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).
Where does William Harrison Mellick III practice?
William Mellick practices at 1208 2 Island Ct, Mount Pleasant, SC 29466. William Mellick's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dmand AI also links William Mellick to 2 group practices and clinics and 1 medical group.
What is William Harrison Mellick III's office phone number?
The practice phone on file for William Mellick is (803) 286-4666.
What is William Harrison Mellick III's medical license number?
William Mellick holds South Carolina license 1542.
What medical group is William Harrison Mellick III part of?
William Mellick is linked to MUSC Health. Dmand AI links William Mellick to 1 more medical group.
Does William Harrison Mellick III accept Medicare?
Yes. CMS lists William Mellick as accepting Medicare assignment.
How long has William Harrison Mellick III been practicing?
William Mellick graduated from medical school in 2017, 9 years ago.
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