William Marshall, DMD, MS
NPI 1023352200 · Orthodontics and Dentofacial Orthopedics Dentistry · Spartanburg, SC
William Marshall, DMD, MS is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Spartanburg, SC (NPI 1023352200).
Provider details
- NPI number
- 1023352200
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DMD, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 7124 (SC)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-11-12
- Last updated
- 2012-11-12
Frequently asked questions
- What is William Marshall's NPI number?
- William Marshall's National Provider Identifier (NPI) is 1023352200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marshall's specialty?
- William Marshall is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is William Marshall located?
- William Marshall's practice location on file with NPPES is 319 N Pine St, Spartanburg, SC 29302-1605.
- What is William Marshall's phone number?
- The practice phone number listed in the NPPES registry for William Marshall is (864) 585-8709.
- Is William Marshall's NPI active?
- Yes — William Marshall's NPI (1023352200) is active in the NPPES registry as of the last update on 2012-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.