Dr. Rex M. Quaempts, MD
- Medicare services, 2024
- 286
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 301
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 46314 Timine Way, Pendleton, OR 97801
- Practice phone
- Call (541) 966-9830
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yellowhawk Tribal Health Center
Tribal Health Clinic · Pendleton, Oregon
Find Dr. Quaempts' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Rex M. Quaempts is a family medicine physician in Pendleton, Oregon
Dr. Quaempts practices at Yellowhawk Tribal Health Center in Pendleton, Oregon.
Dr. Quaempts' NPI, 1730255910, was assigned on November 28, 2006. Dr. Quaempts graduated from University of Washington School of Medicine in 1992. Dr. Quaempts holds Washington license MD00031900.
- NPI
- 1730255910NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052337904
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 966-9830
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rex M. Quaempts practices at 2 locations in Pendleton, Oregon
Dr. Quaempts' primary practice is Yellowhawk Tribal Health Center, at 46314 Timine Way, Pendleton, OR 97801. The practice phone is (541) 966-9830. Dr. Quaempts also practices at Yellowhawk Tribal Health Center, 73265 Confederated Way, Pendleton, OR 97801.
- Yellowhawk Tribal Health CenterPrimary46314 Timine Way, Pendleton, OR 97801Phone(541) 966-9830
- Yellowhawk Tribal Health Center73265 Confederated Way, Pendleton, OR 97801 · Umatilla CountyPhone(541) 966-9830
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Rex M. Quaempts is affiliated with 5 sites of care and 2 medical groups
Dr. Quaempts' primary practice is Yellowhawk Tribal Health Center in Pendleton, Oregon. Dr. Quaempts is also affiliated with CHI St. Anthony Hospital. The medical group on file is Yellowhawk Tribal Health Center. Dmand AI also links Dr. Quaempts to 2 more group practices and clinics, 1 government or correctional health site and 1 medical group, each named with a free account. Dr. Quaempts' employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rex M. Quaempts' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Quaempts practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yellowhawk Tribal Health Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rex M. Quaempts is one of 2,398 family medicine physicians in Oregon
Family medicine is Dr. Quaempts' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Quaempts' licenses on file in 2 states: Washington and Oregon.
Specialties and state licenses
- Family medicine, WashingtonPrimary
- Oregon license
Family medicine physicians near Dr. Quaempts
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rex M. Quaempts billed Medicare for 286 services in 2024
CMS data shows 286 Medicare services from Dr. Quaempts across 8 procedure codes in 2024, for 129 Medicare patients. Medicare paid $13,542 for them. Every service was in an office.
Dr. Quaempts' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3002024: 20332%
- Lab and pathology
- 2023: 2882024: 5083%
- Surgery
- 2023: 892024: 2176%
- Imaging
- 2023: 02024: 12
- Tests and treatments
- 2023: 722024: 0100%
Dr. Quaempts compared with the Oregon median for family medicine physicians, 2024
- Dr. Quaempts
- Oregon median
- Medicare services
- 286vs 20639% above
- Medicare patients
- 129vs 9930% above
- Part D claims
- 68vs 78191% below
Medians across 2,515 family medicine physicians in Oregon with Dmand AI profiles that report each measure.
Dr. Quaempts' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Quaempts and other family medicine physicians in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rex M. Quaempts treated 129 Medicare patients in 2024, average age 70
CMS counts 129 Medicare patients who saw Dr. Quaempts in 2024. The largest group is 65 to 74, with 72 patients. 67% of them have high blood pressure, and 59% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Quaempts' median patient age at 51, with 60% women.
Dr. Quaempts' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Quaempts' Medicare patients by sex, 2024
- Women7558%
- Men5442%
Chronic conditions among Dr. Quaempts' Medicare patients, 2024
- High blood pressure67%
- High cholesterol59%
- Diabetes52%
- Arthritis42%
- Chronic kidney disease22%
- Ischemic heart disease21%
- Tobacco use19%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Quaempts' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rex M. Quaempts wrote 301 Medicare Part D claims in 2024
In 2024, Dr. Quaempts wrote 301 Medicare Part D claims for 75 patients. 85% of them were for generic drugs. CMS names the drug for 68 of them, across 5 drugs with 11 or more claims each, at $355 in total drug cost. In 2023, CMS named 2,306 claims across 65 drugs.
Dr. Quaempts' Part D claims by kind of drug, 2024
- Generic256 claims85%
- Brand-name and other45 claims15%
Dr. Quaempts' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Quaempts' Part D claims, 2024
- Opioids4%12 of 301 claims
- Antibiotics13%40 of 301 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,3062024: 6897%
Drugs named by CMS: 5 in 2024, 65 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Rex M. Quaempts takes part in Medicare
Dr. Quaempts accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rex M. Quaempts graduated from University of Washington School of Medicine
Dr. Quaempts graduated from University of Washington School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rex M. Quaempts's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rex M. Quaempts
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rex M. Quaempts' NPI number?
Dr. Rex M. Quaempts' NPI number is 1730255910. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rex M. Quaempts?
Dr. Rex M. Quaempts is a family medicine physician in Pendleton, Oregon. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Rex M. Quaempts practice?
Dr. Quaempts practices at 46314 Timine Way, Pendleton, OR 97801. Dr. Quaempts also practices at 73265 Confederated Way, Pendleton, OR 97801. Dr. Quaempts' primary practice is Yellowhawk Tribal Health Center in Pendleton, Oregon. Dmand AI also links Dr. Quaempts to 2 group practices and clinics, 1 government or correctional health site and 1 medical group.
What is Dr. Rex M. Quaempts' office phone number?
The practice phone on file for Dr. Quaempts is (541) 966-9830.
What is Dr. Rex M. Quaempts' medical license number?
Dr. Quaempts holds Washington license MD00031900, one of the licenses on file in 2 states.
Which states has Dr. Rex M. Quaempts been licensed in?
Dmand AI has state licenses on file for Dr. Quaempts in Washington and Oregon.
Which hospitals is Dr. Rex M. Quaempts affiliated with?
Dr. Quaempts is affiliated with CHI St. Anthony Hospital.
What medical group is Dr. Rex M. Quaempts part of?
Dr. Quaempts is linked to Yellowhawk Tribal Health Center. Dmand AI links Dr. Quaempts to 1 more medical group.
Does Dr. Rex M. Quaempts accept Medicare?
Yes. CMS data shows Dr. Quaempts billed Medicare for 286 services in 2024, and Dr. Quaempts accepts Medicare assignment.
How many Medicare patients does Dr. Rex M. Quaempts see?
CMS counts 129 Medicare patients who saw Dr. Quaempts in 2024, with an average age of 70.
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What services does Dr. Rex M. Quaempts bill to Medicare?
In 2024, Dr. Quaempts' most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99211).
Where did Dr. Rex M. Quaempts go to medical school?
Dr. Quaempts graduated from University of Washington School of Medicine in 1992.
What drugs does Dr. Rex M. Quaempts prescribe most?
In 2024 Medicare Part D data, Dr. Quaempts' most prescribed drugs by claims were Lisinopril, Furosemide and Doxycycline Hyclate.
How long has Dr. Rex M. Quaempts been practicing?
Dr. Quaempts graduated from medical school in 1992, 34 years ago.
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