Individual provider Active NPI

Mark Richard Attilio, PHARMD

  • Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
  • Philadelphia, PA
National Provider Identifier
1447109111
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X
License
RP450643 Issued in PA
Practice address
1101 Chestnut St FL 14
Philadelphia, PA 19107-3612
Phone
(215) 955-8435
Fax
(215) 955-2342
NPI assigned
Jan 26, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X RP450643 PA Primary

Addresses

Primary practice location

1101 Chestnut St FL 14
Philadelphia, PA 19107-3612

Mailing address

834 Chestnut St Ste 450
Philadelphia, PA 19107-5122
Phone (215) 955-8435

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

LicenseStateTypeSpecialty
RP450643PAMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1769385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1447109111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "834 CHESTNUT ST STE 450",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191075122",
            "telephone_number": "215-955-8435",
            "fax_number": "215-955-2342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1101 CHESTNUT ST FL 14",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191073612",
            "telephone_number": "215-955-8435",
            "fax_number": "215-955-2342"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ATTILIO",
        "first_name": "MARK",
        "middle_name": "RICHARD",
        "credential": "PHARMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-26",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "PA",
            "license": "RP450643",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.

Verify at the official NPI Registry.