Doctor profile · Federal record

Dr. Natalia Llanes Aaron, MD

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

  • NPI 1811121304
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
655 Watkins Mill RD
Gaithersburg, MD 208793301
(240) 632-4900
Mailing address
4000 Garden City Dr
Hyattsville, MD 207852418

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
May 5, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Maryland #D0073658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811121304. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,839
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $141

In context: peer comparison

Among 2 peers in Gaithersburg Neurology Physician, average services per provider: 30. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,077
Patients
395
Total drug cost
$76,209
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 218 88 $3,461
Memantine Hcl Generic 132 47 $2,374
Gabapentin Generic 128 54 $3,144
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 107 39 $6,783
Levetiracetam Generic 84 33 $3,805
Duloxetine Hcl Generic 51 21 $993
Atorvastatin Calcium Generic 49 19 $971
Ajovy Autoinjector (Fremanezumab-Vfrm) Brand 48 0 $23,590
Clopidogrel (Clopidogrel Bisulfate) Brand 47 17 $756
Pregabalin Generic 46 18 $1,271

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalia Llanes Aaron's medical specialty?
Dr. Natalia Llanes Aaron practices Neurology Physician in Gaithersburg, MD.
Where does Dr. Natalia Llanes Aaron practice?
Dr. Natalia Llanes Aaron practices at 655 Watkins Mill RD, Gaithersburg, MD 208793301. Office phone: 2406324900.
What is Dr. Natalia Llanes Aaron's NPI?
Dr. Natalia Llanes Aaron's National Provider Identifier (NPI) is 1811121304, issued by NPPES.
Does Dr. Natalia Llanes Aaron accept Medicare assignment?
Yes. Dr. Natalia Llanes Aaron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalia Llanes Aaron commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.