Individual provider Active NPI

Diana Walczyk

  • Infectious Diseases Pharmacist
  • Philadelphia, PA
National Provider Identifier
1144110248
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Diseases PharmacistTaxonomy code 1835I0206X
License
RP457924 Issued in PA
Practice address
51 N 39TH St
Philadelphia, PA 19104-2640
Phone
(215) 662-8000
NPI assigned
Jul 9, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Diseases Pharmacist 1835I0206X RP457924 PA Primary

Addresses

Primary practice location

51 N 39TH St
Philadelphia, PA 19104-2640

Mailing address

636 Wilson Ave
Staten Island, NY 10312-3745

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

LicenseStateTypeSpecialty
RP457924PAMDMedical license number

NPI Registry JSON

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

{
    "created_epoch": "1752019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1144110248",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "636 WILSON AVE",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103123745"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "51 N 39TH ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191042640",
            "telephone_number": "215-662-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALCZYK",
        "first_name": "DIANA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-07-09",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835I0206X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Infectious Diseases",
            "state": "PA",
            "license": "RP457924",
            "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 Jul 9, 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.

Verify at the official NPI Registry.