Active NPI
Mark Linden Franklin, PHARMD
- Geriatric Pharmacist
- Chicago, IL
National Provider Identifier
1821187022
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Pharmacist
- Practice address
- 836 W Wellington Ave
Advocate Illinois Masonic Medical Center Pharmacy
Chicago, IL 60657 - Phone
- (773) 296-5259
- Fax
- (773) 296-8021
- NPI assigned
- Oct 12, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacist | 183500000X | IL | ||
| Geriatric Pharmacist | 1835G0303X | IL | Primary | |
| Pharmacotherapy Pharmacist | 1835P1200X | IL |
Addresses
Primary practice location
836 W Wellington Ave
Advocate Illinois Masonic Medical Center Pharmacy
Chicago, IL 60657
Mailing address
800 W Cornelia Ave Apt 201
Chicago, IL 60657-1946
Phone (312) 493-3323
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 |
|---|---|---|---|
| 051-041126 | IL | MD | Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160611200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1821187022",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "800 W CORNELIA AVE APT 201",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606571946",
"telephone_number": "312-493-3323",
"fax_number": "773-296-8021"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "836 W WELLINGTON AVE",
"address_2": "ADVOCATE ILLINOIS MASONIC MEDICAL CENTER PHARMACY",
"city": "CHICAGO",
"state": "IL",
"postal_code": "60657",
"telephone_number": "773-296-5259",
"fax_number": "773-296-8021"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRANKLIN",
"first_name": "MARK",
"middle_name": "LINDEN",
"name_prefix": "Dr.",
"credential": "PHARMD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-10-12",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "IL",
"license": null,
"primary": false
},
{
"code": "1835G0303X",
"taxonomy_group": "",
"desc": "Pharmacist, Geriatric",
"state": "IL",
"license": null,
"primary": true
},
{
"code": "1835P1200X",
"taxonomy_group": "",
"desc": "Pharmacist, Pharmacotherapy",
"state": "IL",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.