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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MRS. GILLIAN BAKER DELLAPIANA
NPI 1720902935
Counselor - Mental Health in Alpharetta, GA

Active since August 10, 2026
3400 OLD MILTON PKWY STE 395, ALPHARETTA, GA 30005(678) 384-4911 Get Directions Write a Review

NPPES record added: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mrs. Gillian Baker Dellapiana NPPES

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

MRS. GILLIAN BAKER DELLAPIANA (NPI 1720902935) is an individual mental health provider in Alpharetta, Georgia and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1720902935
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. GILLIAN BAKER DELLAPIANA
Location Address3400 OLD MILTON PKWY STE 395Alpharetta, GA 30005-3707
Mailing Address5110 Madison Springs DrCumming, GA 30040-9550 · (678) 294-8880
Phone(678) 384-4911
Sole ProprietorNo
Enumeration DateAugust 10, 2026
NPPES CertifiedAugust 9, 2026
✔ NPI 1720902935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
3400 OLD MILTON PKWY STE 395, Alpharetta, GA 30005
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLISON NICOLE WEAVER PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
3400 OLD MILTON PKWY STE 395
ALPHARETTA, GA 30005
Fulton County (678) 384-4911
EMILY MARSH PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3400 OLD MILTON PKWY STE 395
ALPHARETTA, GA 30005
Fulton County (678) 384-4911

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 Gillian Dellapiana's NPI number?

The NPI number for Gillian Dellapiana is 1720902935. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Where is Gillian Dellapiana located?

Gillian Dellapiana practices at 3400 Old Milton Pkwy Ste 395, Alpharetta, GA 30005. The listed phone number is (678) 384-4911.

What is Gillian Dellapiana'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 Gillian Dellapiana was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.