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

Dr. Mitchell H Grayson, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1720005267

Dr. Mitchell H Grayson, MD is an Allergy/Immunology in Columbus, Ohio. Graduated from University of Chicago, Pritzker School of Medicine in 1993, 33 years ago. Practices with Pediatric Academic Association, Inc, a 250-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
33
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

555 S 18th St
Columbus, OH 43205-2654
Phone: (614) 722-6200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 7853 Pacer Dr, Delaware, OH 43015-7571 — (614) 722-6200
  • 4363 All Seasons Dr, Hilliard, OH 43026-2050 — (614) 722-6200
  • 433 N Cleveland Ave, Westerville, OH 43082-8095 — (614) 722-6200

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence 35128597 (OH)
Allergy & Immunology (Internal Medicine) Physician Taxonomy 207RA0201X · Licence 35128597 (OH)

Record details

NPI number1720005267
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 17, 2006
Last updated in NPPESJune 15, 2026
Certification dateJune 15, 2026

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Pediatric Academic Association, Inc. — 250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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