Dr. David Chaar, MD

  • Ada, OK
  • Neurologist
NPI1417454356PAC ID3971858713
Medicare services, 2024
1,662
Medicare patients, 2024
429
Part D claims, 2024
2,291
Hospital affiliations
2
Industry payments
$3,431
Practice address
1921 Stonecipher Blvd, Ada, OK 74820
Practice phone
Call (580) 436-3980
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chickasaw Nation Medical Center

Hospital · Ada, Oklahoma

See all 4 affiliations

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Dr. David Chaar is a neurologist in Ada, Oklahoma

Dr. Chaar practices at Chickasaw Nation Medical Center in Ada, Oklahoma, part of The Chickasaw Nation.

Dr. Chaar's NPI, 1417454356, was assigned on April 8, 2018. Dr. Chaar graduated from Wayne State University School Of Medicine in 2018. Dr. Chaar holds Texas license U3179.

NPI and contact details
Medicare PAC ID
3971858713
NPI enumeration date
April 8, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(580) 436-3980
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. David Chaar practices at Chickasaw Nation Medical Center in Ada, Oklahoma

Dr. Chaar's primary practice is Chickasaw Nation Medical Center, at 1921 Stonecipher Blvd, Ada, OK 74820 in Pontotoc County. The practice phone is (580) 436-3980.

Source: Dmand AI Affiliation Data

Dr. David Chaar is affiliated with 3 sites of care and 1 medical group

Dr. Chaar's primary practice is Chickasaw Nation Medical Center in Ada, Oklahoma, part of The Chickasaw Nation. Dr. Chaar is also affiliated with Texoma Medical Center. The medical group on file is Texas Institute for Neurological Disorders. Dmand AI also links Dr. Chaar to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Chaar

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

Dmand AI tracks the EHR system at Dr. David Chaar's practice

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

EHR by site
SiteEHR vendor and product
Chickasaw Nation 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. David Chaar is one of 172 neurologists in Oklahoma

Neurology is Dr. Chaar's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chaar is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chaar's licenses on file in 2 states: Texas and Michigan.

Specialties and state licenses

  • Neurology, TexasPrimaryLicense U3179 · 2023 to 2027 · taxonomy 2084N0400X
  • Michigan license2022 to 2025

Clinical focus

Dmand AI lists alzheimer's disease, cerebrovascular disease, epilepsy, fibromyalgia and chronic pain, parkinson's disease and restless legs syndrome among the conditions Dr. Chaar treats.

Neurologists near Dr. Chaar

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

172neurologists in Oklahoma
2neurologists in Ada

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. David Chaar billed Medicare for 1,662 services in 2024

CMS data shows 1,662 Medicare services from Dr. Chaar across 22 procedure codes in 2024, for 429 Medicare patients. Medicare paid $144,717 for them.

Medicare services, 20241,662
Medicare patients429
Paid by Medicare$144,717
Procedure codes22

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

  • 2023
  • 2024
Office and hospital visits
2023: 482024: 6971352%
Tests and treatments
2023: 302024: 4551417%
Other services
2023: 02024: 353
Imaging
2023: 02024: 157

Where Dr. Chaar's Medicare services took place, 2024

  • In an office1,52592%
  • In a facility1378%

Dr. Chaar compared with the Oklahoma median for neurologists, 2024

  • Dr. Chaar
  • Oklahoma median
Medicare services
1,662vs 3674.5 times
Medicare patients
429vs 23483% above
Part D claims
1,983vs 2328.5 times

Medians across 170 neurologists in Oklahoma with Dmand AI profiles that report each measure.

Dr. Chaar'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. Chaar

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

Dr. David Chaar treated 429 Medicare patients in 2024, average age 74

CMS counts 429 Medicare patients who saw Dr. Chaar in 2024. The largest group is 75 to 84, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.70, 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. Chaar's median patient age at 64, with 56% women.

Medicare patients, 2024429
Average age74
Average risk score1.70
Also on Medicaid14%

Dr. Chaar's Medicare patients by age, 2024

Dr. Chaar's Medicare patients by sex, 2024

  • Women24256%
  • Men18744%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis67%
  4. Ischemic heart disease45%
  5. Stroke or TIA40%
  6. Mood disorders39%
  7. Anxiety38%
  8. Depression37%

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

Dr. Chaar's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. David Chaar wrote 2,291 Medicare Part D claims in 2024

In 2024, Dr. Chaar wrote 2,291 Medicare Part D claims for 296 patients. 92% of them were for generic drugs. CMS names the drug for 1,983 of them, across 45 drugs with 11 or more claims each, at $197,872 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.

Part D claims, 20242,291
Drugs named by CMS45
Total drug cost$197,872
Part D patients296

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

  • Generic2,107 claims92%
  • Brand-name and other184 claims8%

Dr. Chaar'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. Chaar's Part D claims, 2024

  • Opioids8%175 of 2,291 claims
  • Antipsychotics, patients 65 and over1%13 of 2,291 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: 252024: 1,9837832%

Drugs named by CMS: 45 in 2024, 2 in 2023.

See all prescribing by Dr. Chaar

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. David Chaar scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Chaar for performance year 2024, reported individually. Dr. Chaar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chaar as offering telehealth. CMS counts 32 procedures of skin biopsy by Dr. Chaar, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chaar's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Promoting Interoperability
  • 0of 100Improvement Activities
  • 0of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Chaar ranks in Medicare procedure volume

Skin biopsy
66th percentile32 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. David Chaar received $3,431 in industry payments from 2018 to 2025

CMS Open Payments shows 134 general payments to Dr. Chaar from 34 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $429.

General payments to Dr. Chaar by program year, 2018 to 2025

General payments to Dr. Chaar by kind, 2018 to 2025

$3.4Kin total
  • Food and beverage$3,416100%
  • Education$150%

Companies that paid Dr. Chaar the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chaar

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

Dr. David Chaar graduated from Wayne State University School Of Medicine

Dr. Chaar graduated from Wayne State University School Of Medicine in 2018. Dr. Chaar is a member of American Academy of Neurology.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in clinical neurophysiologyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. David Chaar accepts plans from 21 insurance carriers

Dr. Chaar is in network with 21 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Aetna
  • Alliant Health Plans
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +13 more carriersWith a free account

Plan types Dr. Chaar accepts, by number of carriers

  1. HMO11
  2. PPO11
  3. Medicare8
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. David Chaar'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)Doctors and Clinicians Utilization Data (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. David Chaar

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. David Chaar's NPI number?

Dr. David Chaar's NPI number is 1417454356. It was assigned on April 8, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. David Chaar?

Dr. David Chaar is a neurologist in Ada, Oklahoma. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. David Chaar practice?

Dr. Chaar practices at 1921 Stonecipher Blvd, Ada, OK 74820. Dr. Chaar's primary practice is Chickasaw Nation Medical Center in Ada, Oklahoma, part of The Chickasaw Nation. Dmand AI also links Dr. Chaar to 1 group practice or clinic.

What is Dr. David Chaar's office phone number?

The practice phone on file for Dr. Chaar is (580) 436-3980.

What is Dr. David Chaar's medical license number?

Dr. Chaar holds Texas license U3179, one of the licenses on file in 2 states.

Which states has Dr. David Chaar been licensed in?

Dmand AI has state licenses on file for Dr. Chaar in Texas (2023 to 2027) and Michigan (2022 to 2025).

Which hospitals is Dr. David Chaar affiliated with?

Dr. Chaar practices at Chickasaw Nation Medical Center in Ada, Oklahoma. Dr. Chaar is also affiliated with Texoma Medical Center.

What medical group is Dr. David Chaar part of?

Dr. Chaar is linked to Texas Institute for Neurological Disorders.

Does Dr. David Chaar accept Medicare?

Yes. CMS data shows Dr. Chaar billed Medicare for 1,662 services in 2024, and Dr. Chaar accepts Medicare assignment.

Does Dr. David Chaar offer telehealth?

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

Show 9 more questionsShow fewer questions

What is Dr. David Chaar's MIPS score?

Dr. Chaar's MIPS final score for performance year 2024 is 0 out of 100, reported individually.

How many Medicare patients does Dr. David Chaar see?

CMS counts 429 Medicare patients who saw Dr. Chaar in 2024, with an average age of 74.

Is Dr. David Chaar board certified?

Yes. Dr. Chaar is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.

What services does Dr. David Chaar bill to Medicare?

In 2024, Dr. Chaar's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and nerve and brain test (95886).

Where did Dr. David Chaar go to medical school?

Dr. Chaar graduated from Wayne State University School Of Medicine in 2018.

What drugs does Dr. David Chaar prescribe most?

In 2024 Medicare Part D data, Dr. Chaar's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Gabapentin.

Has Dr. David Chaar received payments from drug or device companies?

CMS Open Payments shows $3,431 in general payments to Dr. Chaar from 34 companies from 2018 to 2025. The largest total came from UCB, Inc.

How long has Dr. David Chaar been practicing?

Dr. Chaar graduated from medical school in 2018, 8 years ago.

What insurance does Dr. David Chaar accept?

Dr. Chaar is in network with 21 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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