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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.

MARK G COAN MD
NPI 1861466955
Radiology - Diagnostic Radiology in Atlanta, GA

Active since February 15, 2006
1000 JOHNSON FERRY RD NE, ATLANTA, GA 30342(404) 851-8000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark G Coan Md NPPES

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

MARK G COAN MD (NPI 1861466955) is an individual diagnostic radiology provider in Atlanta, Georgia, licensed in Georgia (017150) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1861466955
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMARK G COANCredential: MD
Location Address1000 JOHNSON FERRY RD NEAtlanta, GA 30342-1606
Mailing AddressPo Box 100015Kennesaw, GA 30156-9215 · (770) 779-2175
Phone(404) 851-8000
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861466955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in GA · 017150
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1000 JOHNSON FERRY RD NE, Atlanta, GA 30342
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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.

HANNAH L STEELE CRNA
Nurse Anesthetist, Certified Registered
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (770) 645-9181
VALERIE S WEBB NP
Nurse Practitioner (Women's Health)
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (770) 645-9181
AMAR R HERNDON
Anesthesiologist Assistant
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (770) 645-9181
MISHANA L. MOGELNICKI PAAA
Anesthesiologist Assistant
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (770) 645-9181
SUSAN C. OSGOOD CRNA
Nurse Anesthetist, Certified Registered
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (770) 645-9181
MRS. KIMBERLY CHILDRES WILLIAMS RPH
Pharmacist
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (404) 851-8123
MS. PATRICIA BOATRIGHT GILLEY RPH
Pharmacist
1000 JOHNSON FERRY RD NE, NORTHSIDE HOSPITAL PHARMACY
ATLANTA, GA 30342
Fulton County (404) 851-8908
AMY J FIGUEROA MD
Radiology (Diagnostic Radiology)
1000 JOHNSON FERRY RD NE
ATLANTA, GA 30342
Fulton County (404) 851-8000

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 Mark Coan's NPI number?

The NPI number for Mark Coan is 1861466955. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Mark Coan located?

Mark Coan practices at 1000 Johnson Ferry Rd NE, Atlanta, GA 30342. The listed phone number is (404) 851-8000.

What is Mark Coan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Mark Coan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.