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DR. JUSTIN LIANE WILLIAMS PHD
NPI 1831676535
Psychologist - Clinical in Atlanta, GA

Active since July 25, 2018PECOS Enrolled
2220 N DRUID HILLS RD NE, ATLANTA, GA 30329(404) 785-1115 Get Directions Write a Review

NPPES record last updated: October 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 6, 2022, Jun 25, 2021, Oct 15, 2018 and 1 more (4 updates tracked since 2018).

About Dr. Justin Liane Williams Phd NPPES

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

DR. JUSTIN LIANE WILLIAMS PHD (NPI 1831676535) is an individual clinical provider in Atlanta, Georgia, licensed in Georgia (PSY004235) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831676535
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JUSTIN LIANE WILLIAMSCredential: PHD
Location Address2220 N DRUID HILLS RD NEAtlanta, GA 30329-3117
Mailing Address2220 N Druid Hills Rd Ne Fl 8Atlanta, GA 30329-3117 · (404) 785-1115
Phone(404) 785-1115
Sole ProprietorNo
Enumeration DateJuly 25, 2018
Last NPPES UpdateOctober 14, 20244 updates tracked since enumeration
NPPES CertifiedOctober 14, 2024
✔ NPI 1831676535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in GA · PSY004235
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
2220 N DRUID HILLS RD NE, Atlanta, GA 30329
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Justin Liane Williams Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Justin Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Southeast Permanente Medical Group
3.0 mi
Internal Medicine
3495 PIEDMONT ROAD NE, NINE PIEDMONT CENTER
Atlanta, GA 30305
  • Reassigned Medicare billing, Georgia enrollment
  • 1,389 clinicians in this Medicare group
NPI 1245266956 (404) 364-3821

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30329 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.43 typical visit price
range $56.84 – $172.43
Typical copayment $43.10 (range $14.21 – $43.10)
Most-billed visit code 99205
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

DR. JOEL A. FRIEDLANDER DO
Pediatrics (Pediatric Gastroenterology)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-3020
NICOLE COOLIDGE CPNP
Nurse Practitioner (Family)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-7683
YAW OWUSU MD
Pediatrics (Pediatric Cardiology)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-9188
ASHWINI TILAK MD
Otolaryngology (Pediatric Otolaryngology)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-5437
RONAK DAVE
Pediatrics
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (678) 491-9475
PATRICK JOSEPH FLANAGAN MD
Student in an Organized Health Care Education/Training Program
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-5437
ELLEN OLSON CPNP
Nurse Practitioner (Pediatrics)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-1200
MRS. MADELINE CAGLE ALLSOPP RN
Nurse Practitioner (Pediatrics)
2220 N DRUID HILLS RD NE
ATLANTA, GA 30329
Dekalb County (404) 785-5437

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 Justin Williams's NPI number?

The NPI number for Justin Williams is 1831676535. It was assigned to this individual provider in the NPPES registry on July 25, 2018.

Where is Justin Williams located?

Justin Williams practices at 2220 N Druid Hills Rd NE, Atlanta, GA 30329. The listed phone number is (404) 785-1115.

What is Justin Williams's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Justin Williams enrolled in Medicare?

Yes. Justin Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Justin Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Williams reassigns Medicare benefits to The Southeast Permanente Medical Group (Atlanta, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Justin Williams accept?

Health plans from Oscar Health list Justin Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Justin Williams was last updated on October 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.