David Chaar, MD
NPI 1417454356 · Neurology Physician · Sherman, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chaar, MD is a Neurology Physician provider in Sherman, TX (NPI 1417454356).
Provider details
- NPI number
- 1417454356
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,662 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 353 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $122 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 209 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 165 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 85 | $113 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 283 | 76 |
| Memantine Hcl | 161 | 40 |
| Gabapentin | 128 | 36 |
| Pregabalin | 87 | 27 |
| Duloxetine Hcl | 81 | 23 |
| Primidone | 80 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 76 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$787 across 40 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-08
- Last updated
- 2023-11-14
- Certified
- 2023-11-14
Frequently asked questions
- What is David Chaar's NPI number?
- David Chaar's National Provider Identifier (NPI) is 1417454356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chaar's specialty?
- David Chaar is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is David Chaar located?
- David Chaar's practice location on file with NPPES is 321 N Highland Ave Ste 200, Sherman, TX 75092-7371.
- What is David Chaar's phone number?
- The practice phone number listed in the NPPES registry for David Chaar is (903) 893-5141.
- Does David Chaar accept Medicare?
- David Chaar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chaar's NPI active?
- Yes — David Chaar's NPI (1417454356) is active in the NPPES registry as of the last update on 2023-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.