Active NPI
Mason Joseph Myers, PHARMD, BCOP
- Oncology Pharmacist
- Baltimore, MD
National Provider Identifier
1164104147
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oncology Pharmacist
- License
- 30439
- Practice address
- 600 North Wolfe Street
Carnegie BLDG Room 180
Baltimore, MD 21287 - Phone
- (330) 720-3890
- NPI assigned
- Aug 1, 2023
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacist | 183500000X | RPH-0019609 | OR | |
| Oncology Pharmacist | 1835X0200X | 30439 | MD | Primary |
Addresses
Primary practice location
600 North Wolfe Street
Carnegie BLDG Room 180
Baltimore, MD 21287
Mailing address
1402 Point St Unit 2311
Baltimore, MD 21231-3946
Phone (702) 816-1644
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
- Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RPH-0019609 | OR | MD | Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1690848000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1164104147",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1402 POINT ST UNIT 2311",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212313946",
"telephone_number": "702-816-1644"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 NORTH WOLFE STREET",
"address_2": "CARNEGIE BLDG ROOM 180",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "21287",
"telephone_number": "330-720-3890"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MYERS",
"first_name": "MASON",
"middle_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "PHARMD, BCOP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-08-01",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "OR",
"license": "RPH-0019609",
"primary": false
},
{
"code": "1835X0200X",
"taxonomy_group": "",
"desc": "Pharmacist, Oncology",
"state": "MD",
"license": "30439",
"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 Jul 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.