Zachary Nicholas Illg
Emergency Medicine Physician · Atlanta, GA
Zachary Nicholas Illg is an emergency medicine physician with a practice address in Atlanta, Georgia, and NPI 1073017232, issued on Mar 22, 2018. Check the license (Georgia 88589, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zachary Nicholas Illg
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 88589 GA
5101023831 MI
5151013211 MI
Self-reported in NPPES; status is on the state search - Practice location
- 303 Parkway Dr NE, Atlanta, GA 30312
- Phone
- (404) 265-4000
- Enumerated
- Mar 22, 2018
- Record last updated
- Apr 21, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,685 in Georgia → Look up another NPI →
Also registered at 303 Parkway Dr NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Nicholas Illg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 88589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Zachary Nicholas Illg among 1,685 emergency medicine physician records in Georgia
Zachary Nicholas Illg is one of 1,685 emergency medicine physician records with a practice address in Georgia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
465 emergency medicine physician records list a practice address in Atlanta
They are 465 of the 31,476 NPPES records with a practice address in Atlanta, and 1,685 emergency medicine physician records in Georgia.
All 1,685 in Georgia → Every provider in Atlanta → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joshua Armentrout, MDAtlanta, GA 303121871888362
- Ivan Cazort, M.D.Atlanta, GA 303121588695308
- Louis Ciardulli, M.D.Atlanta, GA 303121467743880
- James Clark, M.D.Atlanta, GA 303121285677781
- Anna Kirsch, M.D.Atlanta, GA 303121467849570
- Benjamin Mazer, M.D.Atlanta, GA 303121285097139
- Jana Smith, M.D.Atlanta, GA 303121043453467
- Mark Waterman, M.D.Atlanta, GA 303121295773216
Common questions
What is Zachary Nicholas Illg's NPI number?
Zachary Nicholas Illg's National Provider Identifier (NPI) is 1073017232, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Nicholas Illg located?
The NPPES record lists a practice address at 303 Parkway Dr NE, Atlanta, GA, 30312. Phone: (404) 265-4000. Providers update this record themselves, so call before visiting.
How can I verify Zachary Nicholas Illg's license?
NPPES lists Georgia license number 88589, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Zachary Nicholas Illg's MIPS final score?
The 2023 MIPS final score is 92.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.