Active NPI
Gianna Antoinette Mejia, PHARMD, MBA
- Pharmacist
- Rockville, MD
National Provider Identifier
1356221097
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist
- License
- 30516
- Practice address
- 403 Redland Blvd
Rockville, MD 20850-5234 - Phone
- (301) 990-4350
- Fax
- (301) 990-7248
- NPI assigned
- Sep 4, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacist | 183500000X | 30516 | MD | Primary |
Addresses
Primary practice location
403 Redland Blvd
Rockville, MD 20850-5234
Mailing address
403 Redland Blvd
Rockville, MD 20850-5234
Phone (301) 990-4350
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Master of Business Administration, Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 30516 | MD | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1756944000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756944000000",
"number": "1356221097",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "403 REDLAND BLVD",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208505234",
"telephone_number": "301-990-4350",
"fax_number": "301-990-7248"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "403 REDLAND BLVD",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208505234",
"telephone_number": "301-990-4350",
"fax_number": "301-990-7248"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MEJIA",
"first_name": "GIANNA",
"middle_name": "ANTOINETTE",
"name_prefix": "Dr.",
"credential": "PHARMD, MBA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-09-04",
"last_updated": "2025-09-04",
"certification_date": "2025-09-04",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "MD",
"license": "30516",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Rockville, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.