Doctor profile · Federal record

Dr. Sirinan Tazen, M.D.

Neurology Physician (CMS: Neurology) · Arlington, VA

  • NPI 1649473794
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1635 N George Mason Dr Ste 420
Arlington, VA 222053617
(703) 536-4000

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
February 22, 2026
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Virginia #0101273131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649473794. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
257
Distinct HCPCS
5
Medicare allowed
$42,933
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 83 68 $201
99205 New patient office or other outpatient visit, 60-74 minutes 62 62 $243
99214 Established patient office or other outpatient visit, 30-39 minutes 57 39 $144
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 38 37 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 17 17 $102

In context: peer comparison

Among 1 peers in this city , average services per provider: 51. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$350
Transactions
17
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Eisai Inc. 4 $85.27
PFIZER INC. 3 $65.83
ABBVIE INC. 2 $41.62
Sumitomo Pharma America, Inc. 1 $28.83
Neurelis, Inc. 2 $28.48
Neurocrine Biosciences, Inc. 1 $28.39
Amneal Pharmaceuticals LLC 1 $20.98
Biogen, Inc. 1 $18.21
Teva Pharmaceuticals USA, Inc. 1 $17.20
Lilly USA, LLC 1 $15.40

By nature of payment

Food and Beverage
$337
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
130
Patients
28
Total drug cost
$4,631
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 68 28 $3,512
Gabapentin Generic 21 0 $387
Propranolol Hcl Generic 19 0 $241
Primidone Generic 11 0 $354
Topiramate Generic 11 0 $136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sirinan Tazen's medical specialty?
Dr. Sirinan Tazen practices Neurology Physician in Arlington, VA.
Where does Dr. Sirinan Tazen practice?
Dr. Sirinan Tazen practices at 1635 N George Mason Dr Ste 420, Arlington, VA 222053617. Office phone: 7035364000.
What is Dr. Sirinan Tazen's NPI?
Dr. Sirinan Tazen's National Provider Identifier (NPI) is 1649473794, issued by NPPES.
Does Dr. Sirinan Tazen accept Medicare assignment?
Yes. Dr. Sirinan Tazen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sirinan Tazen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.