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William Clark, PHD, RD
NPI 1356694301 · Registered Dietitian · Johnson City, TN
William Clark, PHD, RD is a Registered Dietitian provider in Johnson City, TN (NPI 1356694301).
Provider details
- NPI number
- 1356694301
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- PHD, RD
- Sex
- Male
- Sole proprietor
- No
- License
- LDN2487 (TN)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
807 University Pkwy
Box 70403
Johnson City, TN 37614-6500
Phone: (423) 439-4071
Fax: (423) 439-4060
Street-level locationGet directions
Mailing address
807 University Pkwy
Johnson City, TN 37614-6500
Registry dates
- Enumerated
- 2012-10-16
- Last updated
- 2012-10-16
Frequently asked questions
- What is William Clark's NPI number?
- William Clark's National Provider Identifier (NPI) is 1356694301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Clark's specialty?
- William Clark is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is William Clark located?
- William Clark's practice location on file with NPPES is 807 University Pkwy, Johnson City, TN 37614-6500.
- What is William Clark's phone number?
- The practice phone number listed in the NPPES registry for William Clark is (423) 439-4071.
- Is William Clark's NPI active?
- Yes — William Clark's NPI (1356694301) is active in the NPPES registry as of the last update on 2012-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.