Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN-NATHAN HOWARD GRAHAM LADAC, QCS
NPI 1710611348
Counselor - Addiction (Substance Use Disorder) in Johnson City, TN

Q: What is John-nathan Graham's NPI number?

The NPI number for John-nathan Graham is 1710611348. It was assigned to this individual provider in the NPPES registry on July 11, 2022.

Q: What is John-nathan Graham's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since July 11, 2022

204 FRECKLES CT, JOHNSON CITY, TN 37601(423) 609-5672 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, Jul 11, 2022 (2 updates tracked since 2022).

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About John-nathan Howard Graham Ladac, Qcs NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN-NATHAN HOWARD GRAHAM LADAC, QCS (NPI 1710611348) is an individual addiction (substance use disorder) provider in Johnson City, Tennessee, licensed in Tennessee (1579) and active in the NPI registry since July 2022.

NPPES Registry Identity

NPI1710611348

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameJOHN-NATHAN HOWARD GRAHAMCredential: LADAC, QCS

Location Address204 FRECKLES CTJohnson City, TN 37601-1417

Mailing Address204 Freckles CtJohnson City, TN 37601-1417 · (423) 609-5672

Phone(423) 609-5672

Sole ProprietorYes

Enumeration DateJuly 11, 2022

Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1710611348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in TN · 1579

204 FRECKLES CT, Johnson City, TN 37601

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John-nathan Graham's NPI number?

The NPI number for John-nathan Graham is 1710611348. It was assigned to this individual provider in the NPPES registry on July 11, 2022.

Where is John-nathan Graham located?

John-nathan Graham practices at 204 Freckles Ct, Johnson City, TN 37601. The listed phone number is (423) 609-5672.

What is John-nathan Graham's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for John-nathan Graham was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.