John E Fassler, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

19767 Issued in SC

Practice address

1436 Riverchase Blvd
Rock Hill, SC 29732-1777

Phone

(803) 329-2636

Fax

(803) 329-2184

NPI assigned

May 24, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in SC, NC, WI3 enrollments

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 3

Specialty

NephrologyAlso: Internal Medicine

Education

Ohio State University College of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nephrology Associates PAGroup PAC ID 9537128400, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FMC of Fort Mill Dialysis facility, Fort Mill, SC, CCN 422538
• DaVita Fort Mill Dialysis Dialysis facility, Fort Mill, SC, CCN 422609
• Piedmont Medical Center Hospital, Rock Hill, SC, CCN 420002
• Encompass Health Rehabilitation Hospital of Rock H Inpatient rehabilitation facility, Rock Hill, SC, CCN 423028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jfassler19199@direct.acumenmd.com

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.

• Nephrology Associates PA

  • Nephrology Physician
  • Rock Hill, SC
  • NPI 1588613756

  NC

  Medicare reassignment Care Compare group NPD
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Internal Medicine Physician
  • Menomonee Falls, WI
  • NPI 1568787448
  Medicare reassignment NPD
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Wauwatosa, WI
  • NPI 1154947224
  NPD
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

• Bio-Medical Applications of South Carolina, Inc.

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Fort Mill, SC
  • NPI 1548372378

  Dialysis facility

  Care Compare affiliation Name & address match
• Total Renal Care Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Fort Mill, SC
  • NPI 1689626749

  Dialysis facility

  Care Compare affiliation Name & address match
• Amisub of South Carolina, Inc.

  • General Acute Care Hospital
  • Rock Hill, SC
  • NPI 1457382483
  Care Compare affiliation
• Encompass Health Rehabilitation Hospital of Rock Hill, LLC

  • Rehabilitation Hospital
  • Rock Hill, SC
  • NPI 1184697807

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1116892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1891798757",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1436 RIVERCHASE BLVD",
            "city": "ROCK HILL",
            "state": "SC",
            "postal_code": "297321777",
            "telephone_number": "803-329-2636",
            "fax_number": "803-329-2184"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1436 RIVERCHASE BLVD",
            "city": "ROCK HILL",
            "state": "SC",
            "postal_code": "297321777",
            "telephone_number": "803-329-2636",
            "fax_number": "803-329-2184"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "322 S Main St",
            "address_purpose": "LOCATION",
            "city": "Lancaster",
            "state": "SC",
            "postal_code": "297202437",
            "country_code": "US",
            "telephone_number": "803-329-2636",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FASSLER",
        "first_name": "JOHN",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-24",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "SC",
            "license": "19767",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "T38527",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alex R Farley
• Jodi K Farley, OTR/L
• Brandy Leigh Farmer, FNP-BC
• Arman K Farr, MD
• Larry G Farris
• Hannah Faile Faulkenberry, FNP
• Kevin Lemuel Faulkenberry, LMSW
• Renda Kay Faulkenberry, M.S.W., L.I.S.W.
• Amanda Nicole Faulkner
• Seth Faulkner, MS,AT

• Nephrology Physician in Rock Hill, SC
• Providers in Rock Hill, SC by specialty
• Nephrology Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 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.