Doctor profile · Federal record

Dr. David Chaar, MD

Neurology Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · Sherman, TX

  • NPI 1417454356
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 N Highland Ave Ste 200
Sherman, TX 750927371
(903) 893-5141

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
November 14, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Texas #U3179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417454356. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
3
Medicare allowed
$11,484
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 33 32 $167
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 30 13 $93
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $210

In context: peer comparison

Among 12 peers in Sherman Neurology Physician, average services per provider: 586. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$787
Transactions
38
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 9 $149.97
Ucb, INC. 4 $88.28
Argenx US, INC. 2 $65.27
Sk Life Science, INC. 3 $59.24
Sumitomo Pharma America, INC. 3 $54.50
Biogen, INC. 2 $52.42
Lilly USA, LLC 3 $52.12
Abbvie INC. 3 $45.21
Novartis Pharmaceuticals Corporation 3 $41.29
Biotronik Nro, INC. 1 $31.96
Kyowa Kirin, INC. 1 $29.31
Ipsen Biopharmaceuticals, INC 1 $26.90
Abbott Laboratories 1 $21.31
Eisai INC. 1 $19.36
Amneal Pharmaceuticals LLC 1 $17.63

By nature of payment

Food and Beverage
$787

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
0
Total drug cost
$504
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 13 0 $83
Pregabalin Generic 12 0 $421

Frequently asked questions

Auto-generated from federal data
What is Dr. David Chaar's medical specialty?
Dr. David Chaar practices Neurology Physician in Sherman, TX.
Where does Dr. David Chaar practice?
Dr. David Chaar practices at 321 N Highland Ave Ste 200, Sherman, TX 750927371. Office phone: 9038935141.
What is Dr. David Chaar's NPI?
Dr. David Chaar's National Provider Identifier (NPI) is 1417454356, issued by NPPES.
Does Dr. David Chaar accept Medicare assignment?
Yes. Dr. David Chaar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Chaar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.