Dr. John D. Abernathy, DO

  • Inverness, FL
  • Internist
NPI1265847438PAC ID5890066146
Medicare services, 2024
619
Medicare patients, 2024
180
Part D claims, 2024
61
Hospital affiliations
2
Industry payments
$834
Practice address
502 W Highland Blvd, Inverness, FL 34452
Practice phone
Call (352) 726-1551
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

HCA Florida Citrus Hospital

Hospital · Inverness, Florida

See all 6 affiliations

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Dr. John D. Abernathy is an internist in Inverness, Florida

Dr. Abernathy practices at HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare.

Dr. Abernathy's NPI, 1265847438, was assigned on June 26, 2014. Dr. Abernathy graduated from William Carey University College Of Osteopathic Medicine in 2014. Dr. Abernathy holds Florida license UO 4171.

NPI and contact details
Medicare PAC ID
5890066146
NPI enumeration date
June 26, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(352) 726-1551
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John D. Abernathy practices at HCA Florida Citrus Hospital in Inverness, Florida

Dr. Abernathy's primary practice is HCA Florida Citrus Hospital, at 502 W Highland Blvd, Inverness, FL 34452 in Citrus County. The practice phone is (352) 726-1551.

Source: Dmand AI Affiliation Data

Dr. John D. Abernathy is affiliated with 2 sites of care and 4 medical groups

Dr. Abernathy's primary practice is HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare. Dr. Abernathy is also affiliated with HCA Florida Northside Hospital. The medical group on file is Hospital Medicine Services of Florida. Dmand AI also links Dr. Abernathy to 3 more medical groups, each named with a free account.

See all 6 affiliations for Dr. Abernathy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John D. Abernathy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abernathy practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA Florida Citrus HospitalAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John D. Abernathy is one of 9,009 internists in Florida

Internal medicine is Dr. Abernathy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Abernathy is board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Abernathy is licensed in Florida.

Specialties and state licenses

  • Internal medicine, FloridaPrimaryLicense UO 4171 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, acute respiratory failure, cardiac arrhythmia, circulatory problems in extremities, congestive heart failure, gastrointestinal bleeding, gastrointestinal infection and gastrointestinal inflammation among the conditions Dr. Abernathy treats.

Internists near Dr. Abernathy

Counts of internists 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 D. Abernathy billed Medicare for 619 services in 2024

CMS data shows 619 Medicare services from Dr. Abernathy across 4 procedure codes in 2024, for 180 Medicare patients. Medicare paid $56,690 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024619
Medicare patients180
Paid by Medicare$56,690
Procedure codes4

Dr. Abernathy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3952024: 61957%

Dr. Abernathy compared with the Florida median for internists, 2024

  • Dr. Abernathy
  • Florida median
Medicare services
619vs 55512% above
Medicare patients
180vs 21516% below
Part D claims
25vs 46695% below

Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.

Dr. Abernathy'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.

See all procedures by Dr. Abernathy

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John D. Abernathy treated 180 Medicare patients in 2024, average age 74

CMS counts 180 Medicare patients who saw Dr. Abernathy in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.20, 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. Abernathy's median patient age at 67, with 46% women.

Medicare patients, 2024180
Average age74
Average risk score2.20
Also on Medicaid23%

Dr. Abernathy's Medicare patients by age, 2024

Dr. Abernathy's Medicare patients by sex, 2024

  • Women8246%
  • Men9854%

Chronic conditions among Dr. Abernathy's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease54%
  4. Chronic kidney disease52%
  5. Arthritis51%
  6. Mood disorders51%
  7. Depression48%
  8. Anxiety47%

Share of Medicare patients with each condition. A patient can have several.

Dr. Abernathy'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

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John D. Abernathy wrote 61 Medicare Part D claims in 2024

In 2024, Dr. Abernathy wrote 61 Medicare Part D claims for 38 patients. 92% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $438 in total drug cost. In 2020, CMS named 37 claims across 3 drugs.

Part D claims, 202461
Drugs named by CMS2
Total drug cost$438
Part D patients38

Dr. Abernathy's Part D claims by kind of drug, 2024

  • Generic56 claims92%
  • Brand-name and other5 claims8%

Dr. Abernathy's most prescribed drugs by claims, 2021

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. Abernathy's Part D claims, 2024

  • Opioids30%18 of 61 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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 372021: 2532%

Drugs named by CMS: 2 in 2021, 3 in 2020.

See all prescribing by Dr. Abernathy

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

How Dr. John D. Abernathy takes part in Medicare

Dr. Abernathy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John D. Abernathy received $834 in industry payments from 2016 to 2024

CMS Open Payments shows 17 general payments to Dr. Abernathy from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $222.

General payments to Dr. Abernathy by program year, 2016 to 2024

Companies that paid Dr. Abernathy the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Abernathy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John D. Abernathy graduated from William Carey University College Of Osteopathic Medicine

Dr. Abernathy graduated from William Carey University College Of Osteopathic Medicine in 2014. Dr. Abernathy is a member of AOA.

  1. Medical schoolWilliam Carey University College Of Osteopathic Medicine
  2. Board certified in internal medicineAOA Board of Internal Medicine
  3. Board certified in 2016 - 2026FL State License

Source: Dmand AI Professional Profile Data

Dr. John D. Abernathy accepts plans from 4 insurance carriers

Dr. Abernathy is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • CMS Medicare
  • RI State Medicaid
  • VT State Medicaid

Plan types Dr. Abernathy accepts, by number of carriers

  1. Medicaid2
  2. Medicare2
  3. EPO1
  4. HMO1
  5. POS1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. John D. Abernathy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John D. Abernathy

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 D. Abernathy's NPI number?

Dr. John D. Abernathy's NPI number is 1265847438. It was assigned on June 26, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. John D. Abernathy?

Dr. John D. Abernathy is an internist in Inverness, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John D. Abernathy practice?

Dr. Abernathy practices at 502 W Highland Blvd, Inverness, FL 34452. Dr. Abernathy's primary practice is HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare. Dmand AI also links Dr. Abernathy to 3 medical groups.

What is Dr. John D. Abernathy's office phone number?

The practice phone on file for Dr. Abernathy is (352) 726-1551.

What is Dr. John D. Abernathy's medical license number?

Dr. Abernathy holds Florida license UO 4171.

Which hospitals is Dr. John D. Abernathy affiliated with?

Dr. Abernathy practices at HCA Florida Citrus Hospital in Inverness, Florida. Dr. Abernathy is also affiliated with HCA Florida Northside Hospital.

What medical group is Dr. John D. Abernathy part of?

Dr. Abernathy is linked to Hospital Medicine Services of Florida. Dmand AI links Dr. Abernathy to 3 more medical groups.

Does Dr. John D. Abernathy accept Medicare?

Yes. CMS data shows Dr. Abernathy billed Medicare for 619 services in 2024, and Dr. Abernathy accepts Medicare assignment.

How many Medicare patients does Dr. John D. Abernathy see?

CMS counts 180 Medicare patients who saw Dr. Abernathy in 2024, with an average age of 74.

Is Dr. John D. Abernathy board certified?

Yes. Dr. Abernathy is board certified in internal medicine by the AOA Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. John D. Abernathy bill to Medicare?

In 2024, Dr. Abernathy's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Where did Dr. John D. Abernathy go to medical school?

Dr. Abernathy graduated from William Carey University College Of Osteopathic Medicine in 2014.

What drugs does Dr. John D. Abernathy prescribe most?

In 2021 Medicare Part D data, Dr. Abernathy's most prescribed drugs by claims were Clopidogrel and Atorvastatin Calcium.

Has Dr. John D. Abernathy received payments from drug or device companies?

CMS Open Payments shows $834 in general payments to Dr. Abernathy from 10 companies from 2016 to 2024. The largest total came from Gilead Sciences, Inc.

How long has Dr. John D. Abernathy been practicing?

Dr. Abernathy graduated from medical school in 2014, 12 years ago.

What insurance does Dr. John D. Abernathy accept?

Dr. Abernathy is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

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