Doctor profile · Federal record

Dr. Konstantin Karmazin, M.D.

Neurology Physician · Seattle, WA

  • NPI 1326493313
  • 10 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4500 9Th Ave Ne Ste 300
Seattle, WA 981054762
(206) 801-0215
fax (907) 313-2122

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
December 3, 2024
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Washington #MD61104166

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326493313. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
63
Distinct HCPCS
2
Medicare allowed
$5,132
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 38 34 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 25 23 $63

In context: peer comparison

Among 69 peers in Seattle Neurology Physician, average services per provider: 359. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 1 $71.24
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $23.24

By nature of payment

Food and Beverage
$94

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
122
Patients
16
Total drug cost
$13,032
Drug Type Claims Patients Total cost
Memantine Hcl Generic 30 16 $608
Donepezil Hcl Generic 21 0 $352
Gabapentin Generic 20 0 $343
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 16 0 $450
Neupro (Rotigotine) Brand 13 0 $10,984
Quetiapine Fumarate Generic 11 0 $144
Topiramate Generic 11 0 $150

Frequently asked questions

Auto-generated from federal data
What is Dr. Konstantin Karmazin's medical specialty?
Dr. Konstantin Karmazin practices Neurology Physician in Seattle, WA.
Where does Dr. Konstantin Karmazin practice?
Dr. Konstantin Karmazin practices at 4500 9Th Ave Ne Ste 300, Seattle, WA 981054762. Office phone: 2068010215.
What is Dr. Konstantin Karmazin's NPI?
Dr. Konstantin Karmazin's National Provider Identifier (NPI) is 1326493313, issued by NPPES.
What procedures does Dr. Konstantin Karmazin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.