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COLIN ISTVAN SAA
NPI 1164295515
Anesthesiologist Assistant in Atlanta, GA

Active since November 06, 2023Accepts Medicare Assignment
1364 CLIFTON RD NE, ATLANTA, GA 30322(404) 712-2000 Get Directions Write a Review

NPPES record last updated: April 11, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 11, 2024, Nov 6, 2023 (2 updates tracked since 2023).

About Colin Istvan Saa NPPES

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

COLIN ISTVAN SAA (NPI 1164295515) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (12182) and active in the NPI registry since November 2023. He is affiliated with Emory University Hospital, maintains a secondary practice location in Atlanta, and is a graduate of Emory University School Of Medicine (2023).

NPPES Registry Identity

NPI1164295515
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameCOLIN ISTVANCredential: SAA
Location Address1364 CLIFTON RD NEAtlanta, GA 30322-1059
Mailing Address685 Amster Green DrAtlanta, GA 30350-4138
Phone(404) 712-2000
Sole ProprietorYes
Medical School CMSEmory University School Of MedicineGraduated 2023
Enumeration DateNovember 6, 2023
Last NPPES UpdateApril 11, 20242 updates tracked since enumeration
NPPES CertifiedApril 11, 2024
✔ NPI 1164295515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in GA · 12182
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1364 CLIFTON RD NE, Atlanta, GA 30322
Open in Google Maps ↗

Secondary Practice Location 1

Location 11405 Clifton Rd NEAtlanta, GA 30322-1059 · Phone (404) 785-5437

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 and accepts Medicare assignment

Colin Istvan Saa 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 ID4880136787
PECOS Enrollment IDI20240606003314

Medicare Billing Reassignments

2

Medicare enrollment records show Colin Istvan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Emory Clinic Inc
0.1 mi
Internal Medicine
1365 CLIFTON RD NE
Atlanta, GA 30322
  • Reassigned Medicare billing, Georgia enrollment
  • 4,840 clinicians in this Medicare group
NPI 1396798229 (404) 778-2144
Emory Specialty Associates, LLC
66 mi
Anesthesiology
303 SMITH ST
Lagrange, GA 30240
  • Reassigned Medicare billing, Georgia enrollment
  • 1,506 clinicians in this Medicare group
NPI 1407864168 (404) 778-4888

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

Hospital Affiliations CMS Care Compare

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

Emory University Hospital

Acute Care Hospitals · Atlanta, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110010
Location1364 Clifton Road, NEAtlanta, GA 30322 · De Kalb County
Emergency services

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.

GREGORY WESTON
Student in an Organized Health Care Education/Training Program
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 727-5658
RUTH FLAHERTY CCC-SLP
Physician Assistant
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 712-2000
JENNIFER MARIE SCHNETZER RN
Nurse Anesthetist, Certified Registered
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (679) 378-1093
PETER MORAN PHARMD
Pharmacist (Critical Care)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 712-2000
SARAH ELIZABETH DUNSEATH MD
Anesthesiology (Critical Care Medicine)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 778-7777
DUYEN M VO PHARMD
Pharmacist (Pharmacotherapy)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 712-7273
CHRISTINE CARPENTER
Anesthesiologist Assistant
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 712-2000
DR. CHRISTOPHER VINCENT BARRY MD, PHD, MPH
Student in an Organized Health Care Education/Training Program
1364 CLIFTON RD NE
ATLANTA, GA 30322
Dekalb County (404) 727-5658

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 Colin Istvan's NPI number?

The NPI number for Colin Istvan is 1164295515. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Where is Colin Istvan located?

Colin Istvan practices at 1364 Clifton Rd NE, Atlanta, GA 30322. The listed phone number is (404) 712-2000.

What is Colin Istvan's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Colin Istvan enrolled in Medicare?

Yes. Colin Istvan 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.

Which organizations bill Medicare for Colin Istvan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colin Istvan reassigns Medicare benefits to 2 organizations: The Emory Clinic Inc (Atlanta, GA) and Emory Specialty Associates, LLC (Lagrange, GA). Each 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 Colin Istvan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Colin Istvan accept?

Health plans from Oscar Health list Colin Istvan 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 Colin Istvan affiliated with any hospitals?

According to CMS data, Colin Istvan is affiliated with Emory University Hospital.

When was this NPI record last updated?

The NPPES record for Colin Istvan was last updated on April 11, 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.