Kathleen C Diller, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

MD439734 Issued in PA

Practice address

3535 Market St.
3Rd Floor
Philadelphia, PA 19104-3309

Phone

(215) 746-6700

Fax

(215) 746-5155

NPI assigned

Aug 12, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

84.91 of 100Reported as group

Quality

73.58

Promoting interoperability

100

Improvement activities

40

Cost

76.13

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342
  Medicare reassignment NPD
• University of Penn - Medical Group

  • Allergy & Immunology Physician
  • Philadelphia, PA
  • NPI 1659488351
  NPD
• University of Penn-Medical Group

  • Surgical Oncology Physician
  • Philadelphia, PA
  • NPI 1871981985
  NPD

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

{
    "created_epoch": "1218499200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1679729545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 MARKET ST.",
            "address_2": "3RD FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191043309",
            "telephone_number": "215-746-6700",
            "fax_number": "215-746-5155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 MARKET ST.",
            "address_2": "3RD FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191043309",
            "telephone_number": "215-746-6700",
            "fax_number": "215-746-5155"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DILLER",
        "first_name": "KATHLEEN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-08-12",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "PA",
            "license": "MD439734",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD439734",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "186531",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Deborah B. Dilazzero, PSY.D.
• Jennifer S. Dilella, P.A.
• Madeleine Dileonardo, M.ED, LPC
• Sarah Dileonardo, LPC
• Janette Dill, MA, MFT
• Jason Dillinger, PA-C
• Timothy R Dillingham, MD
• Kasia M Dillon
• Nicholas Dillon, PA-C
• Rhonda Dilorenzo, CRNA

• Neurology Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Neurology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.