IndividualActive
Mary Vassar, RD
NPI 1952364234 · Registered Dietitian · Longview, TX
Mary Vassar, RD is a Registered Dietitian provider in Longview, TX (NPI 1952364234).
Provider details
- NPI number
- 1952364234
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- DT03384 (TX)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
2901 N 4th St
Longview, TX 75605-5128
Phone: (903) 232-3810
Street-level locationGet directions
Mailing address
215 E Rusk St
Marshall, TX 75670-3443
Registry dates
- Enumerated
- 2006-04-08
- Last updated
- 2011-10-21
Frequently asked questions
- What is Mary Vassar's NPI number?
- Mary Vassar's National Provider Identifier (NPI) is 1952364234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Vassar's specialty?
- Mary Vassar is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Vassar located?
- Mary Vassar's practice location on file with NPPES is 2901 N 4th St, Longview, TX 75605-5128.
- What is Mary Vassar's phone number?
- The practice phone number listed in the NPPES registry for Mary Vassar is (903) 232-3810.
- Is Mary Vassar's NPI active?
- Yes — Mary Vassar's NPI (1952364234) is active in the NPPES registry as of the last update on 2011-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.