Doctor profile · Federal record

Dr. Robert Zierler

Vascular Surgery Physician (CMS: Vascular Surgery) · Seattle, WA

  • NPI 1194800920
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University of Washington Medical Ctr, 1959 Ne Pacific St
Seattle, WA 981956165
(206) 598-4477
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 13, 2012
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
Washington #MD00016159
Medicaid
WA #1194800920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194800920. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,318
Distinct HCPCS
10
Medicare allowed
$38,568
HCPCS Description Services Patients Avg allowed
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 243 229 $22
93970 Ultrasound study of arm or leg veins with compression and maneuvers 230 219 $35
93922 Ultrasound study of arm and leg arteries 179 171 $13
93880 Ultrasound of both sides of head and neck blood flow 156 153 $40
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 105 100 $39
93926 Ultrasound of one leg arteries or artery grafts 89 82 $24
93931 Ultrasound of one arm arteries or artery grafts 59 53 $24
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow 58 57 $57
93925 Ultrasound of leg arteries or artery grafts 35 31 $40
93882 Ultrasound of one side of head and neck blood flow 34 33 $25

In context: peer comparison

Among 14 peers in this city , average services per provider: 49. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Silk Road Medical, Inc. 1 $20.85

By nature of payment

Food and Beverage
$21

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Zierler's medical specialty?
Dr. Robert Zierler practices Vascular Surgery Physician in Seattle, WA.
Where does Dr. Robert Zierler practice?
Dr. Robert Zierler practices at University of Washington Medical Ctr, Seattle, WA 981956165. Office phone: 2065984477.
What is Dr. Robert Zierler's NPI?
Dr. Robert Zierler's National Provider Identifier (NPI) is 1194800920, issued by NPPES.
Does Dr. Robert Zierler accept Medicare assignment?
Yes. Dr. Robert Zierler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Zierler commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970); Ultrasound study of arm and leg arteries (HCPCS 93922). Source: CMS Medicare Physician & Other Practitioners file.