MR. MARSHALL JOHNSON AA-C
NPI 1720429962
Anesthesiologist Assistant in Atlanta, GA

Active since July 16, 2013Accepts Medicare Assignment
92.26/100
CMS Quality Rating
1364 CLIFTON RD NE, ATLANTA, GA 30322(404) 778-7777 Get Directions Write a Review

NPPES record last updated: November 14, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 14, 2023, Aug 27, 2019 (2 updates tracked since 2019).

About Mr. Marshall Johnson Aa-c NPPES

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

MR. MARSHALL JOHNSON AA-C (NPI 1720429962) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (6923) and active in the NPI registry since July 2013. He is affiliated with Emory University Hospital, maintains 4 additional practice locations, and is a graduate of Emory University School Of Medicine (2013).

NPPES Registry Identity

NPI1720429962
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMR. MARSHALL JOHNSONCredential: AA-C
Location Address1364 CLIFTON RD NEAtlanta, GA 30322-1101
Mailing Address1364 Clifton Rd NeAtlanta, GA 30322-1059 · (404) 778-7777
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2013
Enumeration DateJuly 16, 2013
Last NPPES UpdateNovember 14, 20232 updates tracked since enumeration
NPPES CertifiedNovember 14, 2023
✔ NPI 1720429962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in GA · 6923
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.
1364 CLIFTON RD NE, Atlanta, GA 30322

Secondary Practice Locations 4

Location 1677 Church St NEMarietta, GA 30060-1101 · Phone (770) 793-5000
Location 2146 Bill Carruth PkwyHiram, GA 30141-3749 · Phone (770) 794-0477 · Fax (770) 794-3108
Location 32540 Windy Hill Rd SEMarietta, GA 30067-8605 · Phone (770) 794-0477 · Fax (770) 794-3108
Location 48954 Hospital DrDouglasville, GA 30134-2272 · Phone (770) 794-0477 · Fax (770) 794-3108

Accepted 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

Mr. Marshall Johnson Aa-c 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 ID648405548
PECOS Enrollment IDI20131031000605

Medicare Billing Reassignments

3

Medicare enrollment records show Marshall Johnson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1365 CLIFTON RD NE
Atlanta, GA 30322
  • Reassigned Medicare billing, Georgia enrollment
  • 4,840 clinicians in this Medicare group
Anesthesiology
1505 STONEBRIDGE PKWY, SUITE 200
Woodstock, GA 30189
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Georgia Anesthesiologists, P.C.
  • 131 clinicians in this Medicare group
Anesthesiology
303 SMITH ST
Lagrange, GA 30240
  • Reassigned Medicare billing, Georgia enrollment
  • 1,506 clinicians in this Medicare group

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 2

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

Emory University Hospital Midtown

Acute Care Hospitals · Atlanta, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110078
Location550 Peachtree Street, NEAtlanta, GA 30308 · Fulton County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.83
Promoting Interoperability100
Improvement Activities40

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.

Student in an Organized Health Care Education/Training Program
1364 CLIFTON RD NE
ATLANTA, GA 30322
Physician Assistant
1364 CLIFTON RD NE
ATLANTA, GA 30322
Nurse Anesthetist, Certified Registered
1364 CLIFTON RD NE
ATLANTA, GA 30322
Pharmacist (Critical Care)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Anesthesiology (Critical Care Medicine)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Pharmacist (Pharmacotherapy)
1364 CLIFTON RD NE
ATLANTA, GA 30322
Anesthesiologist Assistant
1364 CLIFTON RD NE
ATLANTA, GA 30322
Student in an Organized Health Care Education/Training Program
1364 CLIFTON RD NE
ATLANTA, GA 30322

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 Marshall Johnson's NPI number?

The NPI number for Marshall Johnson is 1720429962. It was assigned to this individual provider in the NPPES registry on July 16, 2013.

Where is Marshall Johnson located?

Marshall Johnson practices at 1364 Clifton Rd NE, Atlanta, GA 30322. The listed phone number is (404) 778-7777.

What is Marshall Johnson's specialty?

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

Is Marshall Johnson enrolled in Medicare?

Yes. Marshall Johnson 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 Marshall Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Johnson reassigns Medicare benefits to 3 organizations: The Emory Clinic Inc (Atlanta, GA), Georgia Anesthesiologists, PC (Woodstock, 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 Marshall Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marshall Johnson accept?

Health plans from Alliant Health Plans, Inc. and Oscar Health list Marshall Johnson 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 Marshall Johnson affiliated with any hospitals?

According to CMS data, Marshall Johnson is affiliated with Emory University Hospital and Emory University Hospital Midtown.

When was this NPI record last updated?

The NPPES record for Marshall Johnson was last updated on November 14, 2023. 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.