Lancaster Internal Medicine Group

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

Legal business name

LANCASTER INTERNAL MEDICINE GROUP

Practice address

817 N Cherry St
Lancaster, PA 17602-2009

Phone

(717) 393-8131

Fax

(717) 393-9107

NPI assigned

Apr 3, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mrs. Susan L Ressler

Title

Office Manager

Phone

(717) 393-8131

Specialties & licenses 2

Addresses

Other identifiers 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Thomas K Ruth, MD

  • Internal Medicine Physician
  • Doylestown, PA
  • NPI 1851395818
  NPD (past)

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

{
    "created_epoch": "1144022400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1902868466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "817 N CHERRY ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022009",
            "telephone_number": "717-393-8131",
            "fax_number": "717-393-9107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "817 N CHERRY ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022009",
            "telephone_number": "717-393-8131",
            "fax_number": "717-393-9107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LANCASTER INTERNAL MEDICINE GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-04-03",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "RESSLER",
        "authorized_official_first_name": "SUSAN",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "717-393-8131",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Nephrology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1007432410004",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lancaster Hma Physician Management Inc. (Hamid Parakhoodi, MD)
• Lancaster Hma Physician Management, LLC (LRMC Anesthesia Consultants)
• Lancaster Hma Physician Management, LLC (Rose City Behavioral Health)
• Lancaster Hma Physician Management, LLC
• Lancaster Hma Physician Managment Inc. (Highlands Family Practice)
• Lancaster Ketamine Institute
• Lancaster Lactation
• Lancaster Life LLC
• Lancaster Magnetic Imaging, LTD (Diagnostic Health Lancaster)
• Lancaster Maternal Fetal Medicine LLC

• Nephrology Physician in Lancaster, PA
• Providers in Lancaster, PA by specialty
• Nephrology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.