JACOB H LEFFERT MD
NPI 1689171712
Internal Medicine - Hematology & Oncology in Little Rock, AR

Active since April 06, 2018PECOS EnrolledAccepts Medicare Assignment
8901 CARTI WAY, LITTLE ROCK, AR 72205(501) 906-3000(501) 907-8367 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 10, 2026, Jul 30, 2021 (2 updates tracked since 2021).

About Jacob H Leffert Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB H LEFFERT MD (NPI 1689171712) is an individual hematology & oncology provider in Little Rock, Arkansas, licensed in Arkansas (E-14327) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Arkansas College Of Medicine (2018).

NPPES Registry Identity

NPI1689171712
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJACOB H LEFFERTCredential: MD
Location Address8901 CARTI WAYLittle Rock, AR 72205-6523
Mailing AddressPo Box 55050Little Rock, AR 72215-5050 · (501) 906-3000 · Fax (501) 907-8367
Fax(501) 907-8367
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2018
Enumeration DateApril 6, 2018
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1689171712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in AR · E-14327
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
8901 CARTI WAY, Little Rock, AR 72205

Secondary Practice Locations 4

Location 12500 Highway 65 SClinton, AR 72031-6588 · Phone (501) 906-3000 · Fax (501) 907-8367
Location 2410 Denison StConway, AR 72034-6128 · Phone (501) 906-3000 · Fax (501) 907-8367
Location 3209 S Portland AveRussellville, AR 72801-2339 · Phone (501) 906-3000 · Fax (501) 907-8367
Location 42605 College AveConway, AR 72034-6133 · Phone (501) 906-3000 · Fax (501) 907-8367

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jacob H Leffert Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830445428
PECOS Enrollment IDI20210804000299
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jacob Leffert reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dietitian, Registered
8901 CARTI WAY
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 122 clinicians in this Medicare group
Family Medicine
11300 FINANCIAL CENTRE PKWY
Little Rock, AR 72211
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$157.74 typical visit price
range $51.36 – $157.74
Typical copayment $39.43 (range $12.84 – $39.43)
Most-billed visit code 99205
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
8901 CARTI WAY
LITTLE ROCK, AR 72205
Dietitian, Registered
8901 CARTI WAY
LITTLE ROCK, AR 72205
Urology
8901 CARTI WAY
LITTLE ROCK, AR 72205
Anesthesiology
8901 CARTI WAY
LITTLE ROCK, AR 72205
Physician Assistant (Surgical)
8901 CARTI WAY
LITTLE ROCK, AR 72205
Pharmacist (Oncology)
8901 CARTI WAY
LITTLE ROCK, AR 72205
Internal Medicine (Hematology & Oncology)
8901 CARTI WAY
LITTLE ROCK, AR 72205
Internal Medicine (Hematology & Oncology)
8901 CARTI WAY
LITTLE ROCK, AR 72205

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jacob Leffert's NPI number?

The NPI number for Jacob Leffert is 1689171712. It was assigned to this individual provider in the NPPES registry on April 6, 2018.

Where is Jacob Leffert located?

Jacob Leffert practices at 8901 Carti Way, Little Rock, AR 72205. The listed phone number is (501) 906-3000.

What is Jacob Leffert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Jacob Leffert enrolled in Medicare?

Yes. Jacob Leffert is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jacob Leffert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Leffert reassigns Medicare benefits to 2 organizations: Central Arkansas Radiation Therapy Institute Inc (Little Rock, AR) and University Of Arkansas For Medical Sciences (Little Rock, AR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Leffert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jacob Leffert accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Jacob Leffert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jacob Leffert was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.