Doctor profile · Federal record

Dr. Julian Horwitz, MD

Transplant Surgery Physician (CMS: General Surgery) · Seattle, WA

  • NPI 1770901449
  • Accepts Medicare
  • MIPS 84.8 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1124 Columbia St Ste 600
Seattle, WA 981042046
(206) 386-3660
fax (206) 386-3644
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
January 19, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
204F00000X — NUCC code
State license (1)
Washington #MD61417180
Medicaid
WA #2261196

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770901449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
2
Medicare allowed
$20,759
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 34 15 $51
50360 Transplantation of donor kidney 11 11 $1,728

In context: peer comparison

Among 3 peers in Seattle Transplant Surgery Physician, average services per provider: 22. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$190
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Paragonix Technologies, INC. 1 $190.03

By nature of payment

Food and Beverage
$190

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julian Horwitz's medical specialty?
Dr. Julian Horwitz practices Transplant Surgery Physician in Seattle, WA.
Where does Dr. Julian Horwitz practice?
Dr. Julian Horwitz practices at 1124 Columbia St Ste 600, Seattle, WA 981042046. Office phone: 2063863660.
What is Dr. Julian Horwitz's NPI?
Dr. Julian Horwitz's National Provider Identifier (NPI) is 1770901449, issued by NPPES.
Does Dr. Julian Horwitz accept Medicare assignment?
Yes. Dr. Julian Horwitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julian Horwitz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Transplantation of donor kidney (HCPCS 50360). Source: CMS Medicare Physician & Other Practitioners file.