Marvin Shannon, L.P.C.
NPI 1891054961 · Professional Counselor · Grapevine, TX
Marvin Shannon, L.P.C. is a Professional Counselor provider in Grapevine, TX (NPI 1891054961).
Provider details
- NPI number
- 1891054961
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- L.P.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 64099 (TX)
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2012-05-10
- Last updated
- 2012-05-10
Frequently asked questions
- What is Marvin Shannon's NPI number?
- Marvin Shannon's National Provider Identifier (NPI) is 1891054961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Shannon's specialty?
- Marvin Shannon is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Marvin Shannon located?
- Marvin Shannon's practice location on file with NPPES is 400 N Main St, Grapevine, TX 76051-3300.
- What is Marvin Shannon's phone number?
- The practice phone number listed in the NPPES registry for Marvin Shannon is (817) 360-2300.
- Is Marvin Shannon's NPI active?
- Yes — Marvin Shannon's NPI (1891054961) is active in the NPPES registry as of the last update on 2012-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.