Doctor profile · Federal record

Dr. Andrew Quisumbing, DO

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Renton, WA

  • NPI 1679951008
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 S 43Rd St
Renton, WA 980555714
(425) 228-3440
fax (425) 656-4214
Additional location
1415 E Kincaid St
Mount Vernon, WA 982744126
(360) 424-4111
Mailing address
3600 Lind Ave Sw, Suite 100 Attn Credentialing
Renton, WA 980574970

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
December 3, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Washington #OP60846042
Medicaid
WA #2046976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679951008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
733
Distinct HCPCS
6
Medicare allowed
$74,551
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 277 130 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 200 96 $125
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99 45 $50
99239 Hospital discharge day management, more than 30 minutes 90 89 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 53 $180
99238 Hospital discharge day management, 30 minutes or less 14 14 $86

In context: peer comparison

Among 18 peers in this city , average services per provider: 123. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
25
Total drug cost
$259
Drug Type Claims Patients Total cost
Prednisone Generic 14 14 $50
Metoprolol Succinate Generic 11 11 $209

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Quisumbing's medical specialty?
Dr. Andrew Quisumbing practices Hospitalist Physician in Renton, WA.
Where does Dr. Andrew Quisumbing practice?
Dr. Andrew Quisumbing practices at 400 S 43Rd St, Renton, WA 980555714. Office phone: 4252283440.
What is Dr. Andrew Quisumbing's NPI?
Dr. Andrew Quisumbing's National Provider Identifier (NPI) is 1679951008, issued by NPPES.
Does Dr. Andrew Quisumbing accept Medicare assignment?
Yes. Dr. Andrew Quisumbing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Quisumbing commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.