Doctor profile · Federal record

Dr. Katherine Mandell, MD

Trauma Surgery Physician (CMS: General Surgery) · Surgery Physician · Surgical Critical Care Physician · Seattle, WA

  • NPI 1891804639
  • Accepts Medicare
  • MIPS 82.8 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Broadway Ste 300
Seattle, WA 981224334
(206) 215-3500
fax (206) 215-6499
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 17, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2086S0127X — NUCC code
State license (1)
Massachusetts #249570
Medicaid
MA #110090277A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891804639. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
160
Distinct HCPCS
5
Medicare allowed
$27,345
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 63 28 $227
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $187
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 23 $134
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 14 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 17 $128

In context: peer comparison

Among 7 peers in Seattle Trauma Surgery Physician, average services per provider: 32. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,032
Transactions
8
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 8 $2,031.84

By nature of payment

Education
$1,000
Travel and Lodging
$898
Food and Beverage
$134

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Mandell's medical specialty?
Dr. Katherine Mandell practices Trauma Surgery Physician in Seattle, WA.
Where does Dr. Katherine Mandell practice?
Dr. Katherine Mandell practices at 801 Broadway Ste 300, Seattle, WA 981224334. Office phone: 2062153500.
What is Dr. Katherine Mandell's NPI?
Dr. Katherine Mandell's National Provider Identifier (NPI) is 1891804639, issued by NPPES.
Does Dr. Katherine Mandell accept Medicare assignment?
Yes. Dr. Katherine Mandell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Mandell commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.