DR. JOHN O. GASTON M.D.
NPI 1184757940
Psychiatry & Neurology - Psychiatry in Marietta, GA

Active since March 13, 2007PECOS EnrolledAccepts Medicare Assignment
2550 WINDY HILL RD SE, SUITE 100, MARIETTA, GA 30067(404) 756-1450 Get Directions Write a Review

NPPES record last updated: October 4, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John O. Gaston M.d. NPPES

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

DR. JOHN O. GASTON M.D. (NPI 1184757940) is an individual psychiatry provider in Marietta, Georgia, licensed in Georgia (023050) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1184757940
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN O. GASTONCredential: M.D.
Location Address2550 WINDY HILL RD SE, SUITE 100Marietta, GA 30067-8665
Mailing Address5229 Sandlewood CtMarietta, GA 30068-2887
Sole ProprietorYes
Medical School CMSYale University School Of MedicineGraduated 1977
Enumeration DateMarch 13, 2007
Last NPPES UpdateOctober 4, 2018
NPI 1184757940 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 · 023050
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.
2550 WINDY HILL RD SE, Marietta, GA 30067

Secondary Practice Locations 2

Location 11800 Howell Mill Rd NW Ste 275Atlanta, GA 30318-3098 · Phone (404) 756-1290
Location 280 Jesse Hill Jr Dr SEAtlanta, GA 30303-3031 · Phone (404) 616-1000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John O. Gaston M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193786473
PECOS Enrollment IDI20041020000682
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
46 services34 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services24 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30067 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 20

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

Nurse Practitioner (Women's Health)
2550 WINDY HILL RD SE, 115
MARIETTA, GA 30067
General Practice
2550 WINDY HILL RD SE, 106
MARIETTA, GA 30067
Nurse Anesthetist, Certified Registered
2550 WINDY HILL RD SE, SUITE 215
MARIETTA, GA 30067
Nurse Anesthetist, Certified Registered
2550 WINDY HILL RD SE, SUITE 302
MARIETTA, GA 30067
Audiologist
2550 WINDY HILL RD SE, SUITE 307
MARIETTA, GA 30067
Anesthesiologist Assistant
2550 WINDY HILL RD SE, SUITE 302
MARIETTA, GA 30067
Massage Therapist
2550 WINDY HILL RD SE, 215
MARIETTA, GA 30067
Clinic/Center (Endoscopy)
2550 WINDY HILL RD SE, STE. 302
MARIETTA, GA 30067

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 Gaston's NPI number?

The NPI number for John Gaston is 1184757940. It was assigned to this individual provider in the NPPES registry on March 13, 2007.

Where is John Gaston located?

John Gaston practices at 2550 Windy Hill Rd SE Suite 100, Marietta, GA 30067. The listed phone number is (404) 756-1450.

What is John Gaston's specialty?

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

Is John Gaston enrolled in Medicare?

Yes. John Gaston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Gaston accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list John Gaston 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.

Is John Gaston affiliated with any hospitals?

According to CMS data, John Gaston is affiliated with Grady Memorial Hospital.

When was this NPI record last updated?

The NPPES record for John Gaston was last updated on October 4, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.