Doctor profile · Federal record

Dr. Margaret Tremwel, MD

Neurology Physician (CMS: Neurology) · Fayetteville, AR

  • NPI 1063409993
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3336 N Futrall Dr
Fayetteville, AR 727034057
(479) 463-3000
fax (479) 463-3050

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
March 2, 2016
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Arkansas #E3341
Medicaid (2)
OK #100008700A · AR #146607001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063409993. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
482
Distinct HCPCS
6
Medicare allowed
$63,940
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 179 151 $115
99205 New patient office or other outpatient visit, 60-74 minutes 124 124 $203
99213 Established patient office or other outpatient visit, 20-29 minutes 113 106 $82
99215 Established patient office or other outpatient visit, 40-54 minutes 42 39 $162
95816 Measurement of brain wave activity (eeg), awake and drowsy 13 13 $42
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $153

In context: peer comparison

Among 4 peers in this city , average services per provider: 448. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$218
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 5 $125.94
Genentech USA, Inc. 3 $50.32
ABBVIE INC. 1 $24.73
Teva Pharmaceuticals USA, Inc. 1 $16.54

By nature of payment

Food and Beverage
$218

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,771
Patients
312
Total drug cost
$92,449
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 514 106 $4,330
Memantine Hcl Generic 443 110 $10,389
Levetiracetam Generic 161 30 $4,915
Lamotrigine Generic 127 19 $4,254
Lacosamide Generic 75 11 $20,983
Gabapentin Generic 68 16 $830
Topiramate Generic 60 0 $1,667
Oxcarbazepine Generic 53 0 $3,025
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 48 20 $2,002
Clonazepam Generic 45 0 $1,490

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Tremwel's medical specialty?
Dr. Margaret Tremwel practices Neurology Physician in Fayetteville, AR.
Where does Dr. Margaret Tremwel practice?
Dr. Margaret Tremwel practices at 3336 N Futrall Dr, Fayetteville, AR 727034057. Office phone: 4794633000.
What is Dr. Margaret Tremwel's NPI?
Dr. Margaret Tremwel's National Provider Identifier (NPI) is 1063409993, issued by NPPES.
Does Dr. Margaret Tremwel accept Medicare assignment?
Yes. Dr. Margaret Tremwel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Tremwel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.