Doctor profile · Federal record

Dr. Dimitrios Sigounas, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Washington, DC

  • NPI 1528228749
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2150 Pennsylvania Ave Nw, Suite 7-420
Washington, DC 200373201
(202) 741-2754
Mailing address
2150 Pennsylvania Ave Nw Ste 7-420
Washington, DC 200373201

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
August 13, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
District of Columbia #MD043336

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528228749. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
10
Medicare allowed
$74,910
HCPCS Description Services Patients Avg allowed
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 39 38 $227
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 35 32 $405
61624 Occlusion of central nervous system or spinal cord artery 27 22 $1,198
36228 Insertion of tube into neck or brain artery for diagnosis or treatment with review by radiologist 22 17 $284
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 18 18 $161
36223 Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 17 17 $253
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $190
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 16 16 $14
75898 Imaging of blood vessel 15 15 $101
75894 Review by radiologist of image for insertion of material to block blood flow 14 14 $80

In context: peer comparison

Among 8 peers in Washington Neurological Surgery Physician, average services per provider: 34. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Becton, Dickinson and Company 1 $35.79
Cook Medical LLC 2 $28.23
Abbott Laboratories 1 $14.96

By nature of payment

Food and Beverage
$79

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dimitrios Sigounas's medical specialty?
Dr. Dimitrios Sigounas practices Neurological Surgery Physician in Washington, DC.
Where does Dr. Dimitrios Sigounas practice?
Dr. Dimitrios Sigounas practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027412754.
What is Dr. Dimitrios Sigounas's NPI?
Dr. Dimitrios Sigounas's National Provider Identifier (NPI) is 1528228749, issued by NPPES.
Does Dr. Dimitrios Sigounas accept Medicare assignment?
Yes. Dr. Dimitrios Sigounas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dimitrios Sigounas commonly perform?
Top Medicare-reported procedures in 2023: Insertion of tube into brain artery for diagnosis or treatment with review by radiologist (HCPCS 36226); Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist (HCPCS 36224); Occlusion of central nervous system or spinal cord artery (HCPCS 61624). Source: CMS Medicare Physician & Other Practitioners file.