AnxietyAsthmaBlack or African American
Dr. Katherine D. Dempster, MD
NPI1477755262PAC ID5597832154
- Medicare services, 2024
- 477
- Medicare patients, 2024
- 149
- Part D claims, 2024
- 4,112
- Publications
- 9
- Hospital affiliations
- 5
- Practice address
- 2800 N Vancouver Ave, Portland, OR 97227
- Practice phone
- Call (503) 397-0471
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Legacy Emanuel Hospital & Health Center
Portland, Oregon
Find Dr. Dempster's 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. Katherine D. Dempster is an internist in Portland, Oregon
Dr. Dempster practices at Legacy Emanuel Hospital & Health Center in Portland, Oregon.
Dr. Dempster's NPI, 1477755262, was assigned on June 4, 2007. Dr. Dempster graduated from University of Arkansas College of Medicine in 2004. Dr. Dempster holds Oregon license MD28134.
NPI and contact details
- NPI
- 1477755262NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597832154
- NPI enumeration date
- June 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 397-0471
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine D. Dempster practices at Legacy Emanuel Hospital & Health Center in Portland, Oregon
Dr. Dempster's primary practice is Legacy Emanuel Hospital & Health Center, at 2800 N Vancouver Ave, Portland, OR 97227 in Multnomah County. The practice phone is (503) 397-0471.
- Legacy Emanuel Hospital & Health Center2800 N Vancouver Ave, Portland, OR 97227 · Multnomah CountyPhone(503) 397-0471
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine D. Dempster is affiliated with 6 sites of care and 2 medical groups
Dr. Dempster's primary practice is Legacy Emanuel Hospital & Health Center in Portland, Oregon. Dr. Dempster is also affiliated with OHSU Hospital. The medical group on file is Legacy Emanuel Medical Center. Dmand AI also links Dr. Dempster to 4 more hospitals and 1 medical group, each named with a free account.
Legacy Emanuel Hospital & Health CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine D. Dempster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dempster practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Emanuel Hospital & Health Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine D. Dempster is one of 1,680 internists in Oregon
Internal medicine is Dr. Dempster's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Dempster's licenses on file in 2 states: Oregon and Louisiana.
Specialties and state licenses
- Internal medicine, OregonPrimary
- Louisiana license
Internists near Dr. Dempster
Counts of internists 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. Katherine D. Dempster billed Medicare for 477 services in 2024
CMS data shows 477 Medicare services from Dr. Dempster across 5 procedure codes in 2024, for 149 Medicare patients. Medicare paid $14,676 for them.
Medicare services, 2024477
Medicare patients149
Paid by Medicare$14,676
Procedure codes5
Dr. Dempster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2302024: 25410%
- Other services
- 2023: 02024: 223
Where Dr. Dempster's Medicare services took place, 2024
- In an office9219%
- In a facility38581%
Dr. Dempster compared with the Oregon median for internists, 2024
- Dr. Dempster
- Oregon median
- Medicare services
- 477vs 30059% above
- Medicare patients
- 149vs 13213% above
- Part D claims
- 3,486vs 22215.7 times
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Dempster's 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.
Need commercial claims for Dr. Dempster?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dempster and other internists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine D. Dempster treated 149 Medicare patients in 2024, average age 71
CMS counts 149 Medicare patients who saw Dr. Dempster in 2024. The largest group is 65 to 74, with 70 patients. 59% of them have high blood pressure, and 59% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dempster's median patient age at 63, with 69% women.
Medicare patients, 2024149
Average age71
Average risk score1.23
Also on Medicaid27%
Dr. Dempster's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dempster's Medicare patients by sex, 2024
- Women9060%
- Men5940%
Chronic conditions among Dr. Dempster's Medicare patients, 2024
- High blood pressure59%
- High cholesterol59%
- Arthritis40%
- Mood disorders31%
- Diabetes30%
- Depression28%
- Atrial fibrillation21%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dempster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine D. Dempster wrote 4,112 Medicare Part D claims in 2024
In 2024, Dr. Dempster wrote 4,112 Medicare Part D claims for 300 patients. 88% of them were for generic drugs. CMS names the drug for 3,486 of them, across 94 drugs with 11 or more claims each, at $227,505 in total drug cost. In 2023, CMS named 3,387 claims across 92 drugs.
Part D claims, 20244,112
Drugs named by CMS94
Total drug cost$227,505
Part D patients300
Dr. Dempster's Part D claims by kind of drug, 2024
- Generic3,637 claims88%
- Brand-name449 claims11%
- Other26 claims1%
Dr. Dempster's 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. Dempster's Part D claims, 2024
- Opioids9%351 of 4,112 claims
- Antibiotics1%59 of 4,112 claims
- Antipsychotics, patients 65 and over1%22 of 4,112 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: 3,3872024: 3,4863%
Drugs named by CMS: 94 in 2024, 92 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
Dr. Katherine D. Dempster offers telehealth to Medicare patients
Dr. Dempster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dempster as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 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. Katherine D. Dempster has 9 publications on record
Dmand AI links 9 papers to Dr. Dempster, published from 2016 to 2022. 2019 was the busiest year, with 2. The most frequent topics are Asthma, Diabetes Mellitus, Type 1 and Feeding Behavior. Dr. Dempster's most frequent co-authors are Michael S. Schechter, MD and Sanjeev Narendra Mehta, MD.
Papers9
Years published2016 to 2022
Dr. Dempster's papers by year, 2016 to 2022
Topics Dr. Dempster writes about most
- Asthma
- Diabetes Mellitus, Type 1
- Feeding Behavior
- Depression
- Diet, Healthy
- Feeding and Eating Disorders
- Hispanic or Latino
- Qualitative Research
Dr. Dempster's most frequent co-authors
Recent publications by Dr. Dempster
Contemp Clin Trials Commun
Am J Community Psychol
AsthmaCommunity Health ServicesFocus Groups
CravingFeeding BehaviorHealth Knowledge, Attitudes, Practice
DepressionDiabetes Mellitus, Type 1Models, Psychological
See who Dr. Dempster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dempster works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine D. Dempster received $661 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Dempster from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $467.
General payments to Dr. Dempster by program year, 2016 to 2025
Companies that paid Dr. Dempster the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine D. Dempster graduated from University of Arkansas College of Medicine
Dr. Dempster graduated from University of Arkansas College of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine D. Dempster'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Katherine D. Dempster
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. Katherine D. Dempster's NPI number?
Dr. Katherine D. Dempster's NPI number is 1477755262. It was assigned on June 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine D. Dempster?
Dr. Katherine D. Dempster is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine D. Dempster practice?
Dr. Dempster practices at 2800 N Vancouver Ave, Portland, OR 97227. Dr. Dempster's primary practice is Legacy Emanuel Hospital & Health Center in Portland, Oregon. Dmand AI also links Dr. Dempster to 4 hospitals and 1 medical group.
What is Dr. Katherine D. Dempster's office phone number?
The practice phone on file for Dr. Dempster is (503) 397-0471.
What is Dr. Katherine D. Dempster's medical license number?
Dr. Dempster holds Oregon license MD28134, one of the licenses on file in 2 states.
Which states has Dr. Katherine D. Dempster been licensed in?
Dmand AI has state licenses on file for Dr. Dempster in Oregon and Louisiana.
Which hospitals is Dr. Katherine D. Dempster affiliated with?
Dr. Dempster is affiliated with OHSU Hospital. Dmand AI links Dr. Dempster to 4 more hospitals.
What medical group is Dr. Katherine D. Dempster part of?
Dr. Dempster is linked to Legacy Emanuel Medical Center. Dmand AI links Dr. Dempster to 1 more medical group.
Does Dr. Katherine D. Dempster accept Medicare?
Yes. CMS data shows Dr. Dempster billed Medicare for 477 services in 2024, and Dr. Dempster accepts Medicare assignment.
Does Dr. Katherine D. Dempster offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dempster as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Katherine D. Dempster see?
CMS counts 149 Medicare patients who saw Dr. Dempster in 2024, with an average age of 71.
What services does Dr. Katherine D. Dempster bill to Medicare?
In 2024, Dr. Dempster's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Katherine D. Dempster go to medical school?
Dr. Dempster graduated from University of Arkansas College of Medicine in 2004.
What drugs does Dr. Katherine D. Dempster prescribe most?
In 2024 Medicare Part D data, Dr. Dempster's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Atorvastatin Calcium.
Has Dr. Katherine D. Dempster received payments from drug or device companies?
CMS Open Payments shows $661 in general payments to Dr. Dempster from 4 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Katherine D. Dempster been practicing?
Dr. Dempster graduated from medical school in 2004, 22 years ago.
Does Dr. Katherine D. Dempster do research?
Dmand AI links 9 publications to Dr. Dempster, published from 2016 to 2022.
Who does Dr. Katherine D. Dempster publish with?
Dr. Dempster's most frequent co-authors are Michael S. Schechter, MD (2 shared papers) and Sanjeev Narendra Mehta, MD (1 shared paper).
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