Dr. John Kevin Heifner, MD
- Medicare services, 2024
- 1,918
- Medicare patients, 2024
- 511
- Part D claims, 2024
- 2,378
- MIPS score, 2024
- 84
- Hospital affiliations
- 3
- Practice address
- 9601 Baptist Health Drive, Little Rock, AR 72205
- Practice phone
- Call (501) 202-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Heifner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Kevin Heifner is a nephrologist in Little Rock, Arkansas
Dr. Heifner practices at Baptist Health Medical Center-Little Rock in Little Rock, Arkansas, part of Baptist Health.
Dr. Heifner's NPI, 1588666895, was assigned on June 1, 2005. Dr. Heifner graduated from University of Tennessee, Hsc, College of Medicine in 1992. Dr. Heifner holds Arkansas license E2566.
- NPI
- 1588666895NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688704893
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 202-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Kevin Heifner practices at Baptist Health Medical Center-Little Rock in Little Rock, Arkansas
Dr. Heifner's primary practice is Baptist Health Medical Center-Little Rock, at 9601 Baptist Health Drive, Little Rock, AR 72205 in Pulaski County. The practice phone is (501) 202-2000.
- Baptist Health Medical Center-Little Rock9601 Baptist Health Drive, Little Rock, AR 72205 · Pulaski CountyPhone(501) 202-2000
Source: Dmand AI Affiliation Data
Dr. John Kevin Heifner is affiliated with 9 sites of care and 1 medical group
Dr. Heifner's primary practice is Baptist Health Medical Center-Little Rock in Little Rock, Arkansas, part of Baptist Health. Dr. Heifner is also affiliated with CHI St. Vincent Infirmary. The medical group on file is Renal Associates. Dmand AI also links Dr. Heifner to 1 more hospital, 5 dialysis centers and 1 other site, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Kevin Heifner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heifner practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Medical Center-Little Rock | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baptist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Kevin Heifner is one of 78 nephrologists in Arkansas
Nephrology is Dr. Heifner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Heifner is licensed in Arkansas.
Specialties and state licenses
- Nephrology, ArkansasPrimary
Nephrologists near Dr. Heifner
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Kevin Heifner billed Medicare for 1,918 services in 2024
CMS data shows 1,918 Medicare services from Dr. Heifner across 13 procedure codes in 2024, for 511 Medicare patients. Medicare paid $185,043 for them.
Dr. Heifner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2222024: 1,07612%
- Tests and treatments
- 2023: 8312024: 48042%
- Other services
- 2023: 02024: 362
- Lab and pathology
- 2023: 262024: 0100%
Where Dr. Heifner's Medicare services took place, 2024
- In an office1,23564%
- In a facility68336%
Dr. Heifner compared with the Arkansas median for nephrologists, 2024
- Dr. Heifner
- Arkansas median
- Medicare services
- 1,918vs 1,28449% above
- Medicare patients
- 511vs 35843% above
- Part D claims
- 2,044vs 7322.8 times
Medians across 82 nephrologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Heifner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Heifner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heifner and other nephrologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Kevin Heifner treated 511 Medicare patients in 2024, average age 74
CMS counts 511 Medicare patients who saw Dr. Heifner in 2024. The largest group is 75 to 84, with 199 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 3.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Heifner's median patient age at 67, with 45% women.
Dr. Heifner's Medicare patients by age, 2024
Dr. Heifner's Medicare patients by sex, 2024
- Women22243%
- Men28957%
Chronic conditions among Dr. Heifner's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Ischemic heart disease54%
- Arthritis49%
- Heart failure44%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Heifner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Kevin Heifner wrote 2,378 Medicare Part D claims in 2024
In 2024, Dr. Heifner wrote 2,378 Medicare Part D claims for 273 patients. 86% of them were for generic drugs. CMS names the drug for 2,044 of them, across 49 drugs with 11 or more claims each, at $469,144 in total drug cost. In 2023, CMS named 2,096 claims across 53 drugs.
Dr. Heifner's Part D claims by kind of drug, 2024
- Generic2,043 claims86%
- Brand-name335 claims14%
Dr. Heifner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Heifner's Part D claims, 2024
- Opioids1%32 of 2,378 claims
- Antibiotics1%24 of 2,378 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,0962024: 2,0442%
Drugs named by CMS: 49 in 2024, 53 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Kevin Heifner scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Heifner for performance year 2024, reported as part of a group. Dr. Heifner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Heifner's MIPS scores, performance year 2024
- 84of 100Final score
- 64of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Kevin Heifner received $45,843 in industry payments from 2016 to 2025
CMS Open Payments shows 143 general payments to Dr. Heifner from 18 drug and device companies from 2016 to 2025. Education make up the largest share, 52% of the total. Skeletal Dynamics LLC paid the most, $42,692.
General payments to Dr. Heifner by program year, 2016 to 2025
General payments to Dr. Heifner by kind, 2016 to 2025
- Education$23,96252%
- Travel and lodging$14,80332%
- Food and beverage$5,30812%
- Honoraria$1,7704%
Companies that paid Dr. Heifner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Kevin Heifner graduated from University of Tennessee, Hsc, College of Medicine
Dr. Heifner graduated from University of Tennessee, Hsc, College of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Kevin Heifner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Kevin Heifner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Kevin Heifner's NPI number?
Dr. John Kevin Heifner's NPI number is 1588666895. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Kevin Heifner?
Dr. John Kevin Heifner is a nephrologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. John Kevin Heifner practice?
Dr. Heifner practices at 9601 Baptist Health Drive, Little Rock, AR 72205. Dr. Heifner's primary practice is Baptist Health Medical Center-Little Rock in Little Rock, Arkansas, part of Baptist Health. Dmand AI also links Dr. Heifner to 1 hospital, 5 dialysis centers and 1 other site.
What is Dr. John Kevin Heifner's office phone number?
The practice phone on file for Dr. Heifner is (501) 202-2000.
What is Dr. John Kevin Heifner's medical license number?
Dr. Heifner holds Arkansas license E2566.
Which hospitals is Dr. John Kevin Heifner affiliated with?
Dr. Heifner practices at Baptist Health Medical Center-Little Rock in Little Rock, Arkansas. Dr. Heifner is also affiliated with CHI St. Vincent Infirmary. Dmand AI links Dr. Heifner to 1 more hospital.
What medical group is Dr. John Kevin Heifner part of?
Dr. Heifner is linked to Renal Associates.
Does Dr. John Kevin Heifner accept Medicare?
Yes. CMS data shows Dr. Heifner billed Medicare for 1,918 services in 2024, and Dr. Heifner accepts Medicare assignment.
What is Dr. John Kevin Heifner's MIPS score?
Dr. Heifner's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Kevin Heifner see?
CMS counts 511 Medicare patients who saw Dr. Heifner in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. John Kevin Heifner bill to Medicare?
In 2024, Dr. Heifner's most billed Medicare services were hospital inpatient care (99232), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. John Kevin Heifner go to medical school?
Dr. Heifner graduated from University of Tennessee, Hsc, College of Medicine in 1992.
What drugs does Dr. John Kevin Heifner prescribe most?
In 2024 Medicare Part D data, Dr. Heifner's most prescribed drugs by claims were Hydralazine HCl, Sevelamer Carbonate and Losartan Potassium.
Has Dr. John Kevin Heifner received payments from drug or device companies?
CMS Open Payments shows $45,843 in general payments to Dr. Heifner from 18 companies from 2016 to 2025. The largest total came from Skeletal Dynamics LLC.
How long has Dr. John Kevin Heifner been practicing?
Dr. Heifner graduated from medical school in 1992, 34 years ago.
Selling to nephrology practices?
See nephrologists in Arkansas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card