Robert Mack Williams, DMD
- Part D claims, 2024
- 55
- Industry payments
- $301
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 6819 Washington Ave Ste C Suite C, Ocean Springs, MS 39564-2181
- Practice phone
- Call (228) 215-1202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern Magnolia Smiles
Dental practice · Ocean Springs, Mississippi
Find Robert Williams' 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.
Robert Mack Williams is a general practice dentistry in Gulfport, Mississippi
Robert Williams practices at Southern Magnolia Smiles in Ocean Springs, Mississippi.
Robert Williams' NPI, 1376839431, was assigned on June 27, 2011. Robert Williams holds Mississippi license 3600-11.
- NPI
- 1376839431NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2011
- NPI status
- Active
- Practice phone
- (228) 215-1202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Mack Williams practices in Ocean Springs and Gulfport
Robert Williams' primary practice is Southern Magnolia Smiles, at 6819 Washington Ave Ste C Suite C, Ocean Springs, MS 39564-2181. The practice phone is (228) 215-1202. The NPI Registry lists Robert Williams' practice address as 15200 Community Rd, Gulfport, MS 39503.
- Southern Magnolia SmilesPrimary6819 Washington Ave Ste C Suite C, Ocean Springs, MS 39564-2181Phone(228) 215-1202
- NPI Registry address15200 Community Rd, Gulfport, MS 39503 · Harrison County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Robert Mack Williams is affiliated with 1 site of care and 1 medical group
Robert Williams' primary practice is Southern Magnolia Smiles in Ocean Springs, Mississippi. Dmand AI also links Robert Williams to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Robert Mack Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern Magnolia Smiles | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Mack Williams is one of 371 general practice dentistrys in Mississippi
General practice is Robert Williams' primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Robert Williams is licensed in Mississippi.
Specialties and state licenses
- General practice dentistry, MississippiPrimary
General practice dentistrys near Robert Williams
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
Robert Mack Williams' patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Robert Williams' median patient age at 49, with 100% women.
Robert Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Robert Mack Williams wrote 55 Medicare Part D claims in 2024
In 2024, Robert Williams wrote 55 Medicare Part D claims for 37 patients. 93% of them were for generic drugs.
Robert Williams' Part D claims by kind of drug, 2024
- Generic51 claims93%
- Brand-name and other4 claims7%
Drug classes CMS tracks in Robert Williams' Part D claims, 2024
- Antibiotics53%29 of 55 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
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Robert Mack Williams received $301 in industry payments in 2025
CMS Open Payments shows 2 general payments to Robert Williams from 1 drug or device company in 2025. Education make up the largest share, 67% of the total. Zimvie Inc. paid the most, $301.
General payments to Robert Williams by kind, 2025 to 2025
- Education$20067%
- Food and beverage$10133%
Companies that paid Robert Williams 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 Robert Mack Williams'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Robert Mack Williams
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What is Robert Mack Williams' NPI number?
Robert Mack Williams' NPI number is 1376839431. It was assigned on June 27, 2011, and it is active in the NPI Registry.
What does Robert Mack Williams specialize in?
Robert Mack Williams is a general practice dentistry in Gulfport, Mississippi. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Robert Mack Williams practice?
Robert Williams practices at 6819 Washington Ave Ste C Suite C, Ocean Springs, MS 39564-2181. Robert Williams also practices at 15200 Community Rd, Gulfport, MS 39503. Robert Williams' primary practice is Southern Magnolia Smiles in Ocean Springs, Mississippi. Dmand AI also links Robert Williams to 1 medical group.
What is Robert Mack Williams' office phone number?
The practice phone on file for Robert Williams is (228) 215-1202.
What is Robert Mack Williams' medical license number?
Robert Williams holds Mississippi license 3600-11.
Has Robert Mack Williams received payments from drug or device companies?
CMS Open Payments shows $301 in general payments to Robert Williams from 1 company from 2025 to 2025. The largest total came from Zimvie Inc.
How long has Robert Mack Williams been practicing?
Robert Williams' NPI was assigned in 2011.
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