Jacob H Leffert, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

E-14327 Issued in AR

Practice address

8901 Carti Way
Little Rock, AR 72205-6523

Phone

(501) 906-3000

Fax

(501) 907-8367

NPI assigned

Apr 6, 2018

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

Medicare fee-for-service enrollment

Enrolled in AR

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

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.

• University of Arkansas for Medical Sciences

  • Internal Medicine Physician
  • Little Rock, AR
  • NPI 1588654016
  Medicare reassignment NPD
• University of Arkansas for Medical Sciences

  • Family Medicine Physician
  • El Dorado, AR
  • NPI 1023795051
  NPD

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

{
    "created_epoch": "1522972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1689171712",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 55050",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722155050",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 CARTI WAY",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722056523",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2500 Highway 65 S",
            "address_purpose": "LOCATION",
            "city": "Clinton",
            "state": "AR",
            "postal_code": "720316588",
            "country_code": "US",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "209 S Portland Ave",
            "address_purpose": "LOCATION",
            "city": "Russellville",
            "state": "AR",
            "postal_code": "728012339",
            "country_code": "US",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "410 Denison St",
            "address_purpose": "LOCATION",
            "city": "Conway",
            "state": "AR",
            "postal_code": "720346128",
            "country_code": "US",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2605 College Ave",
            "address_purpose": "LOCATION",
            "city": "Conway",
            "state": "AR",
            "postal_code": "720346133",
            "country_code": "US",
            "telephone_number": "501-906-3000",
            "fax_number": "501-907-8367",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEFFERT",
        "first_name": "JACOB",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-06",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AR",
            "license": "E-14327",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nedra Gail Leeks
• Crystal L Leeper
• Danielle Leeper, CNP
• Kasey Michele Leeson, LMSW
• Laurent Grey Lefevre, LPC
• Leanne L Lefler, APN, PHD
• Legacy Allied Health LLC
• Legacy Blooms Senior Solutions LLC
• Legacy Healthcare Management, Inc.
• Christa C Legassey, CCC-SLP

• Hematology & Oncology Physician in Little Rock, AR
• Providers in Little Rock, AR by specialty
• Hematology & Oncology Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.