Quick answers
- Which hospitals does John K. Heifner work at?
- Medicare's official clinician data lists John K. Heifner at 4 hospitals: Baptist Health Medical Center-Drew County, Baptist Health Medical Center-Little Rock, Chi-St Vincent Infirmary and Dewitt Hospital & Nursing Home, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John K. Heifner see patients?
- Medicare's clinician data lists 1 practice location in Little Rock, AR. Call before your visit to confirm the address.
- What is John K. Heifner's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does John K. Heifner accept Medicare assignment?
- Yes. Medicare's clinician data says John K. Heifner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John K. Heifner?
- (501) 224-2141, as listed in official Medicare / NPI Registry data.
- What is John K. Heifner's NPI number?
- 1588666895. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John K. Heifner works
Medicare's Facility Affiliation Data lists John K. Heifner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health Medical Center-Drew CountyMonticello, AR · Acute Care Hospital · CCN 040051
- Baptist Health Medical Center-Little RockLittle Rock, AR · Acute Care Hospital · CCN 040114
- Chi-St Vincent InfirmaryLittle Rock, AR · Acute Care Hospital · CCN 040007
- Dewitt Hospital & Nursing Home, IncDe Witt, AR · Rural Emergency Hospital · CCN 040783
Practice locations
Addresses where John K. Heifner is enrolled with Medicare (CMS data updated 2026-10-02).
- 9601 Baptist Health Dr, Suite 400Little Rock, AR 72205 (501) 224‑2141
Group practices
Medicare enrollment lists John K. Heifner as a member of this group (CMS data updated 2026-10-02).
- Renal Consultants6 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Little Rock
Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.
Clinician information
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588666895 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians