Doctor profile · Federal record

Dr. Vaughan Washco, DO

Nephrology Physician (CMS: Nephrology) · Critical Care Medicine (Internal Medicine) Physician · Nephrology Physician · Seattle, WA

  • NPI 1891085171
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
April 14, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Washington #OP61625004 · Virginia #0102205645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891085171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
315
Distinct HCPCS
2
Medicare allowed
$66,617
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 270 144 $233
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 40 $84

In context: peer comparison

Among 32 peers in this city , average services per provider: 234. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 1 $28.85

By nature of payment

Food and Beverage
$29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vaughan Washco's medical specialty?
Dr. Vaughan Washco practices Nephrology Physician in Seattle, WA.
Where does Dr. Vaughan Washco practice?
Dr. Vaughan Washco practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065205000.
What is Dr. Vaughan Washco's NPI?
Dr. Vaughan Washco's National Provider Identifier (NPI) is 1891085171, issued by NPPES.
Does Dr. Vaughan Washco accept Medicare assignment?
Yes. Dr. Vaughan Washco accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vaughan Washco commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.