John Marston
NPI 1922740372 · Addiction (Substance Use Disorder) Counselor · Beaufort, SC
John Marston is a Addiction (Substance Use Disorder) Counselor provider in Beaufort, SC (NPI 1922740372).
Provider details
- NPI number
- 1922740372
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-07
- Last updated
- 2022-04-07
- Certified
- 2022-04-07
Frequently asked questions
- What is John Marston's NPI number?
- John Marston's National Provider Identifier (NPI) is 1922740372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marston's specialty?
- John Marston is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Marston located?
- John Marston's practice location on file with NPPES is 1905 Duke St Ste 270, Beaufort, SC 29902-4403.
- What is John Marston's phone number?
- The practice phone number listed in the NPPES registry for John Marston is (843) 255-6014.
- Is John Marston's NPI active?
- Yes — John Marston's NPI (1922740372) is active in the NPPES registry as of the last update on 2022-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.