Active NPI
Mitchell H Grayson, MD
- Pediatric Allergy/Immunology Physician
- Columbus, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Allergy/Immunology Physician
- License
- 35128597
- Practice address
- 555 S 18TH St
Columbus, OH 43205-2654 - Phone
- (614) 722-6200
- NPI assigned
- Jul 17, 2006
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology (Internal Medicine) Physician | 207RA0201X | 35128597 | OH | |
| Pediatric Allergy/Immunology Physician | 2080P0201X | 35128597 | OH | Primary |
Addresses
Primary practice location
555 S 18TH St
Columbus, OH 43205-2654
Mailing address
700 Childrens Dr
Columbus, OH 43205-2664
Phone (614) 722-2000
Other practice location 1
7853 Pacer Dr
Delaware, OH 43015-7571
Phone (614) 722-6200
Other practice location 2
4363 All Seasons Dr
Hilliard, OH 43026-2050
Phone (614) 722-6200
Other practice location 3
433 N Cleveland Ave
Westerville, OH 43082-8095
Phone (614) 722-6200
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| H420330 | Other | OH | CGS - MEDICARE |
| 0166454 | Medicaid | OH |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Allergy/Immunology
- Education
- University of Chicago, Pritzker School of Medicine, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
700 Children'S Dr
Columbus, OH 43205-2664
Phone (614) 722-4579
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35128597 | OH | MD | Pediatric Allergy/Immunology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nationwide Children'S Hospital | Current | Accepting new patients | |
| Pediatric Academic Association, Inc. | Current | Accepting new patients | |
| Nationwide Children'S Hospital | Current | Accepting new patients |
Locations
Dept 781629
Detroit, MI 48278
700 Childrens Dr
Columbus, OH 43205
Phone (614) 722-4411
555 S 18th St
Columbus, OH 43205
Phone (614) 722-4554
Dept L289
Columbus, OH 43260
1 Childrens Plz
Dayton, OH 45404
Phone (937) 641-3600
7853 Pacer Dr
Delaware, OH 43015
Phone (614) 355-7900
4363 All Seasons Dr
Hilliard, OH 43026
Phone (614) 355-5900
433 N Cleveland Ave
Westerville, OH 43082
Phone (614) 355-8300
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pediatrics Physician
- Columbus, OH
- NPI 1063419943
-
- Multi-Specialty Clinic/Center
- Columbus, OH
- NPI 1851179873
-
- Durable Medical Equipment & Medical Supplies
- Columbus, OH
- NPI 1447061262
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153094400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781481600000",
"number": "1720005267",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "700 CHILDRENS DR",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432052664",
"telephone_number": "614-722-2000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "555 S 18TH ST",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432052654",
"telephone_number": "614-722-6200"
}
],
"practiceLocations": [
{
"address_1": "7853 Pacer Dr",
"address_purpose": "LOCATION",
"city": "Delaware",
"state": "OH",
"postal_code": "430157571",
"country_code": "US",
"telephone_number": "614-722-6200",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4363 All Seasons Dr",
"address_purpose": "LOCATION",
"city": "Hilliard",
"state": "OH",
"postal_code": "430262050",
"country_code": "US",
"telephone_number": "614-722-6200",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "433 N Cleveland Ave",
"address_purpose": "LOCATION",
"city": "Westerville",
"state": "OH",
"postal_code": "430828095",
"country_code": "US",
"telephone_number": "614-722-6200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GRAYSON",
"first_name": "MITCHELL",
"middle_name": "H",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-07-17",
"last_updated": "2026-06-15",
"certification_date": "2026-06-15",
"status": "A"
},
"taxonomies": [
{
"code": "207RA0201X",
"taxonomy_group": "",
"desc": "Internal Medicine, Allergy & Immunology",
"state": "OH",
"license": "35128597",
"primary": false
},
{
"code": "2080P0201X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Allergy/Immunology",
"state": "OH",
"license": "35128597",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CGS - MEDICARE",
"identifier": "H420330",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0166454",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Columbus, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.