Charles Dyer Diskin, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

38096 Issued in AL

Practice address

121 N 20TH St Ste 20a
Opelika, AL 36801-5456

Phone

(334) 749-6523

Fax

(334) 742-0242

NPI assigned

Apr 29, 2014

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 AL

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

Nephrology

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hypertension and NephrologyGroup PAC ID 3971529793, 9 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FMC Opelika Dialysis facility, Opelika, AL, CCN 012515
• Bma Langdale Dialysis facility, Valley, AL, CCN 012513
• Roanoke Dialysis Clinic Dialysis facility, Roanoke, AL, CCN 012607
• Fresenius Medical Care Tuskegee Dialysis facility, Tuskegee, AL, CCN 012546
• FMC Dadeville Dialysis facility, Dadeville, AL, CCN 012541
• The East Alabama Healthcare Authority Hospital, Opelika, AL, CCN 010029
• Russell Medical Center Hospital, Alexander City, AL, CCN 010065

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cdiskin65509@direct.acumenmd.com
• FHIR API: https://api.platform.athenahealth.com/25334/brand/1/csg/1/fhir/r4

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.

• Hypertension & Nephrology

  • Nephrology Physician
  • Opelika, AL
  • NPI 1134289580

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Montgomery Kidney Specialists, LLP

  dba Montgomery Kidney Specialists of Selma

  • Specialist
  • Montgomery, AL
  • NPI 1356452403

  Single Specialty

  NPD (past)

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

• Bio-Medical Applications of Alabama, Inc.

  dba Bma Langdale

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Valley, AL
  • NPI 1023120862

  Dialysis facility

  Care Compare affiliation Name & address match
• Russell Hospital Corporation

  dba Russell Medical Center

  • General Acute Care Hospital
  • Alexander City, AL
  • NPI 1811913460
  Care Compare affiliation
• The East Alabama Health Care Authority

  dba East Alabama Medical Center

  • General Acute Care Hospital
  • Opelika, AL
  • NPI 1154386431
  Care Compare affiliation

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

{
    "created_epoch": "1398729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773878400000",
    "number": "1326458498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "121 N 20TH ST STE 20A",
            "city": "OPELIKA",
            "state": "AL",
            "postal_code": "368015456",
            "telephone_number": "334-749-6523",
            "fax_number": "334-742-0242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "121 N 20TH ST STE 20A",
            "city": "OPELIKA",
            "state": "AL",
            "postal_code": "368015456",
            "telephone_number": "334-749-6523",
            "fax_number": "334-742-0242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DISKIN",
        "first_name": "CHARLES",
        "middle_name": "DYER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-04-29",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Nephrology",
            "state": "AL",
            "license": "38096",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven E Dekich, M.D.
• Amber Marie Demars, M.ED. NCC ALC
• Aimee C Dewitt, B.S., LAT, ATC
• Tessa Colleen Dimick
• Erin Dimuzio, PHARMD
• Charles J Diskin, MD
• Kendale J Dixon
• Jennifer Dominguez
• Adam Craig Dooley, M.D.
• Ashley Prosser Dorn, CRNP

• Nephrology Physician in Opelika, AL
• Providers in Opelika, AL by specialty
• Nephrology Physician in Alabama

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 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.