Doctor profile · Federal record

Dr. Easwar Sundaram, MD

Neurology Physician (CMS: Neurology) · Sherman, TX

  • NPI 1679571004
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 N Highland Ave, Suite 210
Sherman, TX 750927378
(903) 893-5141
fax (903) 893-5891

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
August 11, 2011
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Texas #H5637
Medicaid (2)
OK #100153100 · TX #114132703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679571004. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18,305
Distinct HCPCS
10
Medicare allowed
$818,769
HCPCS Description Services Patients Avg allowed
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 11,870 14 $45
J2001 Injection, lidocaine hcl for intravenous infusion, 10 mg 3,737 53 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 1,308 568 $124
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 301 14 $20
99215 Established patient office or other outpatient visit, 40-54 minutes 242 193 $173
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 166 17 $62
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 111 46 $95
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 88 56 $56
J1040 Injection, methylprednisolone acetate, 80 mg 88 57 $11
64405 Injection of anesthetic agent and/or steroid into upper neck and back of head nerve 85 54 $72

In context: peer comparison

Among 12 peers in this city , average services per provider: 586. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$791
Transactions
35
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 10 $209.18
Sumitomo Pharma America, Inc. 4 $74.05
ARGENX US, INC. 2 $65.27
Lundbeck LLC 3 $64.31
Lilly USA, LLC 3 $52.49
PFIZER INC. 2 $43.12
Amneal Pharmaceuticals LLC 2 $34.45
BIOTRONIK NRO, Inc. 1 $31.96
Novartis Pharmaceuticals Corporation 2 $27.70
Biogen, Inc. 1 $27.35
Takeda Pharmaceuticals U.S.A., Inc. 1 $25.94
Kyowa Kirin, Inc. 1 $25.37
SK Life Science, Inc. 1 $21.79
Abbott Laboratories 1 $21.32
Eisai Inc. 1 $19.36

By nature of payment

Food and Beverage
$774
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,597
Patients
957
Total drug cost
$796,792
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,157 156 $37,957
Gabapentin Generic 688 137 $14,691
Clonazepam Generic 662 119 $7,946
Alprazolam Generic 412 62 $3,037
Tizanidine Hcl Generic 379 75 $7,856
Pregabalin Generic 349 62 $13,648
Tramadol Hcl Generic 345 72 $2,962
Levetiracetam Generic 298 43 $10,529
Donepezil Hcl Generic 225 55 $3,927
Memantine Hcl Generic 210 48 $8,192

Frequently asked questions

Auto-generated from federal data
What is Dr. Easwar Sundaram's medical specialty?
Dr. Easwar Sundaram practices Neurology Physician in Sherman, TX.
Where does Dr. Easwar Sundaram practice?
Dr. Easwar Sundaram practices at 321 N Highland Ave, Sherman, TX 750927378. Office phone: 9038935141.
What is Dr. Easwar Sundaram's NPI?
Dr. Easwar Sundaram's National Provider Identifier (NPI) is 1679571004, issued by NPPES.
Does Dr. Easwar Sundaram accept Medicare assignment?
Yes. Dr. Easwar Sundaram accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Easwar Sundaram commonly perform?
Top Medicare-reported procedures in 2023: Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (HCPCS J1569); Injection, lidocaine hcl for intravenous infusion, 10 mg (HCPCS J2001); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.