What is Nathan Grubb's NPI number?

Nathan Grubb's National Provider Identifier (NPI) is 1417462706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nathan Grubb's specialty?

Nathan Grubb is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Nathan Grubb located?

Nathan Grubb's practice location on file with NPPES is 101 Jordan Dr, Chattanooga, TN 37421-6732.

What is Nathan Grubb's phone number?

The practice phone number listed in the NPPES registry for Nathan Grubb is (423) 523-9447.

Is Nathan Grubb's NPI active?

Yes — Nathan Grubb's NPI (1417462706) is active in the NPPES registry as of the last update on 2025-11-19.

IndividualActive

Nathan Grubb

NPI 1417462706 · Mental Health Counselor · Chattanooga, TN

Nathan Grubb is a Mental Health Counselor provider in Chattanooga, TN (NPI 1417462706).

Provider details

NPI number: 1417462706
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 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

101 Jordan Dr

Chattanooga, TN 37421-6732

Phone: (423) 523-9447

Fax: (423) 510-1888

Street-level locationGet directions

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Mailing address