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

DR. GIDEON LEIGH MATZKIN MD
NPI 1518451269
Psychiatry & Neurology - Psychiatry in Decatur, GA

Active since June 17, 2018PECOS Enrolled
2440 LAWRENCEVILLE HWY STE 200, DECATUR, GA 30033(470) 589-5858(470) 589-4040 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 22, 2026, Nov 6, 2025, Aug 13, 2025 and 5 more (8 updates tracked since 2018).

About Dr. Gideon Leigh Matzkin Md NPPES

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

DR. GIDEON LEIGH MATZKIN MD (NPI 1518451269) is an individual psychiatry provider in Decatur, Georgia, licensed in Georgia (87095) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518451269
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GIDEON LEIGH MATZKINCredential: MD
Location Address2440 LAWRENCEVILLE HWY STE 200Decatur, GA 30033-3267
Mailing Address2440 Lawrenceville Hwy Ste 200Decatur, GA 30033-3267 · (470) 589-5858 · Fax (470) 589-4040
Phone(470) 589-5858
Fax(470) 589-4040
Sole ProprietorYes
Enumeration DateJune 17, 2018
Last NPPES UpdateSeptember 22, 20268 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1518451269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in GA · 87095
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2440 LAWRENCEVILLE HWY STE 200, Decatur, GA 30033
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gideon Leigh Matzkin Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30033 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
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
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 3

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

DR. DELIA L LANG PHD
Psychologist (Clinical)
2440 LAWRENCEVILLE HWY STE 200
DECATUR, GA 30033
Dekalb County (404) 634-3400
ATTUNED PSYCHIATRY LLC
Psychiatry & Neurology (Psychiatry)
2440 LAWRENCEVILLE HWY STE 200
DECATUR, GA 30033
Dekalb County (470) 589-5858
DR. LAUREN SOPHIE MARX PHD
Psychologist (Clinical Child & Adolescent)
2440 LAWRENCEVILLE HWY STE 200
DECATUR, GA 30033
Dekalb County (404) 692-3275

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 Gideon Matzkin's NPI number?

The NPI number for Gideon Matzkin is 1518451269. It was assigned to this individual provider in the NPPES registry on June 17, 2018.

Where is Gideon Matzkin located?

Gideon Matzkin practices at 2440 Lawrenceville Hwy Ste 200, Decatur, GA 30033. The listed phone number is (470) 589-5858.

What is Gideon Matzkin's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gideon Matzkin enrolled in Medicare?

Yes. Gideon Matzkin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gideon Matzkin was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.