Ian Paul Ciesielski, MD, MS

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD485294 Issued in PA

Practice address

500 University Dr
Hershey, PA 17033-2360

Phone

(800) 243-1455

NPI assigned

Apr 6, 2020

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

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

Specialty

Emergency Medicine

Education

University of South Florida College of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Milton S Hershey Medical Center Physicians GroupGroup PAC ID 3870405483, 1,606 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Milton S Hershey Medical Center Hospital, Hershey, PA, CCN 390256

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

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Master of Science

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.

• The Milton S Hershey Medical Center Physicians Group

  • Orthopaedic Surgery Physician
  • Hershey, PA
  • NPI 1710951744
  Medicare reassignment Care Compare group
• University of Penn-Medical Group

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

  • Maternal & Fetal Medicine Physician
  • Philadelphia, PA
  • NPI 1326436437
  NPD
• University of Penn-Medical Group

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

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• The Milton S Hershey Medical Center

  • General Acute Care Hospital
  • Hershey, PA
  • NPI 1568435477
  Care Compare affiliation

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

{
    "created_epoch": "1586131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1891324497",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "800-243-1455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "800-243-1455"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 Spruce St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044238",
            "country_code": "US",
            "telephone_number": "215-662-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CIESIELSKI",
        "first_name": "IAN",
        "middle_name": "PAUL",
        "name_prefix": "Dr.",
        "credential": "MD, MS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-06",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD485294",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cynthia H Chuang, MD
• Ching Chung
• James Chung
• Church Road Home LLC
• Robert Ryan Ciancaglini Jr.
• Michael Cimmino, DO
• Madison Cinnamo, AUD
• Jennifer Mandy Cinqmars, RN
• Joseph Cioccio, D.O.
• Theodore J Cios, MD

• Emergency Medicine Physician in Hershey, PA
• Providers in Hershey, PA by specialty
• Emergency Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 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.