Stephen Immanuel Warren, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

MD490691 Issued in PA

Practice address

217 Harrisburg Ave
Lancaster, PA 17603-2964

Phone

(717) 544-8300

Fax

(717) 544-8265

NPI assigned

Apr 3, 2019

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

Cardiovascular Disease (Cardiology)

Education

Howard University College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Heart Group of Lancaster General HealthGroup PAC ID 1052507449, 62 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lancaster General Hospital Hospital, Lancaster, PA, CCN 390100

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.

• The Heart Group of Lancaster General Health

  • Cardiovascular Disease Physician
  • Lancaster, PA
  • NPI 1760793210
  Medicare reassignment Care Compare group NPD

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

• Lancaster General Hospital

  • General Acute Care Hospital
  • Lancaster, PA
  • NPI 1104875103
  Care Compare affiliation
• Lancaster General Hospital

  dba Parkesburg Outpatient Center

  • General Acute Care Hospital
  • Parkesburg, PA
  • NPI 1245571942
  Care Compare affiliation
• Lancaster General Hospital

  • Ambulatory Surgical Clinic/Center
  • Lancaster, PA
  • NPI 1538290424

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1093277634",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "217 HARRISBURG AVE",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176032964",
            "telephone_number": "717-544-8300",
            "fax_number": "717-544-8265"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "217 HARRISBURG AVE",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176032964",
            "telephone_number": "717-544-8300",
            "fax_number": "717-544-8265"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "STEPHEN",
        "middle_name": "IMMANUEL",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-04-03",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "PA",
            "license": "MD490691",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelsey Warkentin, LMT
• Allison Nicole Warmkessel, MA, LPC
• Jennifer1 Warner, M.ED. LBS
• Kimberly Warner, LSW
• Michael W Warren, MD
• David Scott Warsaw, D.O.
• April Washington, LPN
• Cherdell Washington
• Elaine Frances Wasilewski, D.C.
• Water Street Health Services

• Cardiovascular Disease Physician in Lancaster, PA
• Providers in Lancaster, PA by specialty
• Cardiovascular Disease Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2025; 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.