OrganizationActive
Chad E Johnson DDS PC
NPI 1801215827 · Dentist · Johnson City, TN
Chad E Johnson DDS PC is a Dentist organization in Johnson City, TN (NPI 1801215827).
Provider details
- NPI number
- 1801215827
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Valerie Callahan, Office Manager(423) 282-1030
- License
- 9466 (TN)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
2335 Knob Creek Rd
Suite 107
Johnson City, TN 37604-2002
Phone: (423) 282-1030
Fax: (423) 282-4714
Street-level locationGet directions
Mailing address
2335 Knob Creek Rd
Johnson City, TN 37604-2002
Registry dates
- Enumerated
- 2014-04-08
- Last updated
- 2014-04-08
Frequently asked questions
- What is Chad E Johnson DDS PC's NPI number?
- Chad E Johnson DDS PC's National Provider Identifier (NPI) is 1801215827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chad E Johnson DDS PC?
- Chad E Johnson DDS PC is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Chad E Johnson DDS PC located?
- Chad E Johnson DDS PC's practice location on file with NPPES is 2335 Knob Creek Rd, Johnson City, TN 37604-2002.
- What is Chad E Johnson DDS PC's phone number?
- The practice phone number listed in the NPPES registry for Chad E Johnson DDS PC is (423) 282-1030.
- Who is the authorized official for Chad E Johnson DDS PC?
- The authorized official listed on Chad E Johnson DDS PC's NPPES record is Valerie Callahan, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chad E Johnson DDS PC's NPI active?
- Yes — Chad E Johnson DDS PC's NPI (1801215827) is active in the NPPES registry as of the last update on 2014-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.