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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MR. HOLLIS CALVIN HENRY M.S.
NPI 1689595142
Counselor - Mental Health in Marietta, GA

Active since July 22, 2026
1640 POWERS FERRY RD SE BLDG 4, MARIETTA, GA 30067(678) 336-6875 Get Directions Write a Review

NPPES record added: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Hollis Calvin Henry M.s. NPPES

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

MR. HOLLIS CALVIN HENRY M.S. (NPI 1689595142) is an individual mental health provider in Marietta, Georgia and active in the NPI registry since July 2026. He maintains a secondary practice location in Alpharetta.

NPPES Registry Identity

NPI1689595142
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. HOLLIS CALVIN HENRYCredential: M.S.
Location Address1640 POWERS FERRY RD SE BLDG 4Marietta, GA 30067-5491
Mailing Address542 Argonne Dr NwAtlanta, GA 30305-2839 · (404) 386-8066
Phone(678) 336-6875
Sole ProprietorNo
Enumeration DateJuly 22, 2026
NPPES CertifiedJuly 22, 2026
✔ NPI 1689595142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1640 POWERS FERRY RD SE BLDG 4, Marietta, GA 30067
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Other Names 1

Professional Name (2)Calvin Henry M.s.

Secondary Practice Location 1

Location 11111 Cambridge Sq Ste 200Alpharetta, GA 30009-1844 · Phone (678) 336-6875

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 Hollis Henry's NPI number?

The NPI number for Hollis Henry is 1689595142. It was assigned to this individual provider in the NPPES registry on July 22, 2026. The provider is also known as Calvin Henry M.S..

Where is Hollis Henry located?

Hollis Henry practices at 1640 Powers Ferry Rd SE Bldg 4, Marietta, GA 30067. The listed phone number is (678) 336-6875.

What is Hollis Henry's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Hollis Henry was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.