Dr. John Anthony Difini, MD

  • Chillicothe, MO
  • Neurologist
NPI1144216581PAC ID9739166281
Medicare services, 2024
332
Medicare patients, 2024
212
Part D claims, 2024
1,461
Publications
2
MIPS score, 2024
93
Practice address
2799 North Washington Street, Chillicothe, MO 64601
Practice phone
Call (660) 646-1480
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hedrick Medical Center

Hospital · Chillicothe, Missouri

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Dr. John Anthony Difini is a neurologist in Chillicothe, Missouri

Dr. Difini practices at Hedrick Medical Center in Chillicothe, Missouri, part of BJC Health.

Dr. Difini's NPI, 1144216581, was assigned on September 21, 2005. Dr. Difini graduated from Georgetown University School Of Medicine in 1982. Dr. Difini's North Carolina license number on file is 35320.

NPI and contact details
Medicare PAC ID
9739166281
NPI enumeration date
September 21, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(660) 646-1480
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
70
Medical school graduation
1982

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

Dr. John Anthony Difini practices at Hedrick Medical Center in Chillicothe, Missouri

Dr. Difini's primary practice is Hedrick Medical Center, at 2799 North Washington Street, Chillicothe, MO 64601 in Livingston County. The practice phone is (660) 646-1480.

  • Hedrick Medical Center
    2799 North Washington Street, Chillicothe, MO 64601 · Livingston CountyPhone(660) 646-1480

Source: Dmand AI Affiliation Data

Dr. John Anthony Difini is affiliated with 3 sites of care and 1 medical group

Dr. Difini's primary practice is Hedrick Medical Center in Chillicothe, Missouri, part of BJC Health. Dr. Difini is also affiliated with Wright Memorial Hospital. The medical group on file is Saint Luke's Medical Group. Dmand AI also links Dr. Difini to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Difini

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

Dmand AI tracks the EHR system at Dr. John Anthony Difini's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Difini practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hedrick Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. John Anthony Difini is one of 403 neurologists in Missouri

Neurology is Dr. Difini's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Difini is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Difini's licenses on file in 8 states: North Carolina, Missouri, Arizona, Kansas, Connecticut, Michigan, New Hampshire and Florida.

Specialties and state licenses

  • Neurology, North CarolinaPrimaryLicense 35320 · 1992 to 2025 · taxonomy 2084N0400X
  • Missouri license2021 to 2026
  • Arizona license2019 to 2025
  • Kansas license2021 to 2025
  • Connecticut license2019 to 2024
  • Michigan license2013 to 2023
  • New Hampshire license2019 to 2023
  • Florida license1986 to 1994

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, cerebrovascular disease, encephalopathy, epilepsy, essential tremor, fibromyalgia and chronic pain and head injury among the conditions Dr. Difini treats.

Neurologists near Dr. Difini

Counts of neurologists 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 Anthony Difini billed Medicare for 332 services in 2024

CMS data shows 332 Medicare services from Dr. Difini across 4 procedure codes in 2024, all of them office visits, for 212 Medicare patients. Medicare paid $30,092 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024332
Medicare patients212
Paid by Medicare$30,092
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2882024: 33215%

Dr. Difini compared with the Missouri median for neurologists, 2024

  • Dr. Difini
  • Missouri median
Medicare services
332vs 37311% below
Medicare patients
212vs 213Close to median
Part D claims
1,312vs 2655.0 times

Medians across 392 neurologists in Missouri with Dmand AI profiles that report each measure.

Dr. Difini'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. Difini

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Difini and other neurologists in Missouri.

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

Dr. John Anthony Difini treated 212 Medicare patients in 2024, average age 74

CMS counts 212 Medicare patients who saw Dr. Difini in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Difini's median patient age at 74, with 59% women.

Medicare patients, 2024212
Average age74
Average risk score1.31
Also on Medicaid23%

Dr. Difini's Medicare patients by age, 2024

Dr. Difini's Medicare patients by sex, 2024

  • Women11454%
  • Men9846%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Diabetes41%
  5. Mood disorders39%
  6. Anxiety37%
  7. Depression35%
  8. Ischemic heart disease27%

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

Dr. Difini's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

Dr. John Anthony Difini wrote 1,461 Medicare Part D claims in 2024

In 2024, Dr. Difini wrote 1,461 Medicare Part D claims for 190 patients. 97% of them were for generic drugs. CMS names the drug for 1,312 of them, across 33 drugs with 11 or more claims each, at $42,949 in total drug cost. In 2023, CMS named 945 claims across 27 drugs.

Part D claims, 20241,461
Drugs named by CMS33
Total drug cost$42,949
Part D patients190

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

  • Generic1,415 claims97%
  • Brand-name46 claims3%

Dr. Difini'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9452024: 1,31239%

Drugs named by CMS: 33 in 2024, 27 in 2023.

See all prescribing by Dr. Difini

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 Anthony Difini scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Difini for performance year 2024, reported as part of a group. Dr. Difini accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Difini as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Difini's MIPS scores, performance year 2024

  • 93of 100Final score
  • 88.3of 100Quality
  • 97of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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Dr. John Anthony Difini has 2 publications on record

Dmand AI links 2 papers to Dr. Difini.

Papers2

Recent publications by Dr. Difini

See all 2 publications and co-authors

See who Dr. Difini researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Difini works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Anthony Difini has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Difini, most recently NCQA PPC in 2015.

Awards and honors for Dr. Difini

  1. 2015
    • NCQA PPC
  2. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. John Anthony Difini graduated from Georgetown University School Of Medicine

Dr. Difini graduated from Georgetown University School Of Medicine in 1982.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. John Anthony Difini accepts plans from 16 insurance carriers

Dr. Difini is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Difini accepts, by number of carriers

  1. PPO11
  2. HMO8
  3. Medicare6
  4. EPO5
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. John Anthony Difini'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
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 Anthony Difini

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 Anthony Difini's NPI number?

Dr. John Anthony Difini's NPI number is 1144216581. It was assigned on September 21, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Anthony Difini?

Dr. John Anthony Difini is a neurologist in Chillicothe, Missouri. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. John Anthony Difini practice?

Dr. Difini practices at 2799 North Washington Street, Chillicothe, MO 64601. Dr. Difini's primary practice is Hedrick Medical Center in Chillicothe, Missouri, part of BJC Health. Dmand AI also links Dr. Difini to 1 hospital.

What is Dr. John Anthony Difini's office phone number?

The practice phone on file for Dr. Difini is (660) 646-1480.

What is Dr. John Anthony Difini's medical license number?

Dr. Difini's North Carolina license number on file is 35320, one of the licenses on file in 8 states.

Which states has Dr. John Anthony Difini been licensed in?

Dmand AI has state licenses on file for Dr. Difini in North Carolina (1992 to 2025), Missouri (2021 to 2026), Arizona (2019 to 2025), Kansas (2021 to 2025), Connecticut (2019 to 2024), Michigan (2013 to 2023), New Hampshire (2019 to 2023) and Florida (1986 to 1994).

Which hospitals is Dr. John Anthony Difini affiliated with?

Dr. Difini practices at Hedrick Medical Center in Chillicothe, Missouri. Dr. Difini is also affiliated with Wright Memorial Hospital. Dmand AI links Dr. Difini to 1 more hospital.

What medical group is Dr. John Anthony Difini part of?

Dr. Difini is linked to Saint Luke's Medical Group.

Does Dr. John Anthony Difini accept Medicare?

Yes. CMS data shows Dr. Difini billed Medicare for 332 services in 2024, and Dr. Difini accepts Medicare assignment.

Does Dr. John Anthony Difini offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Difini as offering telehealth services.

Show 9 more questionsShow fewer questions

What is Dr. John Anthony Difini's MIPS score?

Dr. Difini's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Dr. John Anthony Difini see?

CMS counts 212 Medicare patients who saw Dr. Difini in 2024, with an average age of 74.

Is Dr. John Anthony Difini board certified?

Yes. Dr. Difini is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. John Anthony Difini bill to Medicare?

In 2024, Dr. Difini's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. John Anthony Difini go to medical school?

Dr. Difini graduated from Georgetown University School Of Medicine in 1982.

What drugs does Dr. John Anthony Difini prescribe most?

In 2024 Medicare Part D data, Dr. Difini's most prescribed drugs by claims were Topiramate, Carbidopa-Levodopa and Donepezil HCl.

How long has Dr. John Anthony Difini been practicing?

Dr. Difini graduated from medical school in 1982, 44 years ago.

Does Dr. John Anthony Difini do research?

Dmand AI links 2 publications to Dr. Difini.

What insurance does Dr. John Anthony Difini accept?

Dr. Difini is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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