Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Grunyk, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1871053744

John Grunyk, MD is a Critical Care (Intensivists) in Atlanta, Georgia. Qualified in 2019, 7 years ago. Works from 3 locations. Licensed in Georgia.

Years since qualifying
7
Licensed in
GA
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2220 N Druid Hills Rd NE
Atlanta, GA 30329-3117
Phone: (404) 785-2344
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 725 Welch Rd, Palo Alto, CA 94304-1601 — (650) 497-8000
  • 225 E Chicago Ave, Chicago, IL 60611-2991 — (312) 227-4000

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence 104763 (GA)

Record details

NPI number1871053744
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2019
Last updated in NPPESAugust 31, 2025
Certification dateAugust 31, 2025
Mailing address2220 N Druid Hills Rd Ne, Atlanta, GA 30329-3117

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Atlanta