Active NPI
Mark Tilghman Johnson, PHARMACIST
- Critical Care Pharmacist
- Baltimore, MD
National Provider Identifier
1669357885
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Pharmacist
- License
- 11119
- Practice address
- 9000 Franklin Square Dr
Baltimore, MD 21237-3901 - Phone
- (443) 504-4225
- NPI assigned
- Aug 7, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Critical Care Pharmacist | 1835C0205X | 11119 | MD | Primary |
Addresses
Primary practice location
9000 Franklin Square Dr
Baltimore, MD 21237-3901
Mailing address
9000 Franklin Square Dr
Baltimore, MD 21237-3901
Phone (443) 504-4225
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 11119 | MD | MD | Critical Care Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754524800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754524800000",
"number": "1669357885",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9000 FRANKLIN SQUARE DR",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212373901",
"telephone_number": "443-504-4225"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9000 FRANKLIN SQUARE DR",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212373901",
"telephone_number": "443-504-4225"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOHNSON",
"first_name": "MARK",
"middle_name": "TILGHMAN",
"name_prefix": "Mr.",
"credential": "PHARMACIST",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-08-07",
"last_updated": "2025-08-07",
"certification_date": "2025-08-07",
"status": "A"
},
"taxonomies": [
{
"code": "1835C0205X",
"taxonomy_group": "",
"desc": "Pharmacist, Critical Care",
"state": "MD",
"license": "11119",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Baltimore, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.