Doctor profile · Federal record

Dr. Rex Quaempts, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Toppenish, WA

  • NPI 1730255910
  • Accepts Medicare
  • MIPS 70.2 / 100 · 2023
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 Buster RD
Toppenish, WA 989489792
(509) 865-1705
fax (509) 865-4986

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 23, 2019
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Washington #MD00031900 · Oregon #MD171815 · Washington #ML20003806
Medicaid
WA #8204364

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730255910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
749
Distinct HCPCS
10
Medicare allowed
$32,940
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 182 115 $89
36415 Insertion of needle into vein for collection of blood sample 89 78 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 72 68 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 72 62 $126
80053 Blood test, comprehensive group of blood chemicals 67 64 $10
83036 Hemoglobin a1c level 44 41 $10
84443 Blood test, thyroid stimulating hormone (tsh) 32 32 $16
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 30 17 $34
96372 Injection of drug or substance under skin or into muscle 29 11 $14
99441 Telephone medical discussion with physician, 5-10 minutes 29 18 $56

In context: peer comparison

Among 4 peers in Toppenish Family Medicine Physician, average services per provider: 66. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,139
Patients
312
Total drug cost
$16,223
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 151 40 $1,611
Lisinopril Generic 135 35 $458
Omeprazole Generic 116 34 $1,277
Metformin Hcl ER (Metformin Hcl) Brand 97 30 $795
Techlite Pen Needle (Pen Needle, Diabetic) Brand 77 16 $1,599
Losartan Potassium Generic 71 17 $532
Amlodipine Besylate Generic 64 21 $243
Diclofenac Sodium Generic 59 27 $325
Synthroid (Levothyroxine Sodium) Brand 59 12 $2,618
Fluticasone Propionate Generic 58 15 $894

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Quaempts's medical specialty?
Dr. Rex Quaempts practices Family Medicine Physician in Toppenish, WA.
Where does Dr. Rex Quaempts practice?
Dr. Rex Quaempts practices at 401 Buster RD, Toppenish, WA 989489792. Office phone: 5098651705.
What is Dr. Rex Quaempts's NPI?
Dr. Rex Quaempts's National Provider Identifier (NPI) is 1730255910, issued by NPPES.
Does Dr. Rex Quaempts accept Medicare assignment?
Yes. Dr. Rex Quaempts accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rex Quaempts commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.