Dr. Ulrike M. Guempel, MD
- Part D claims, 2024
- 343
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
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Dr. Ulrike M. Guempel is an internist in Portland, Oregon
Dr. Guempel practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Guempel's NPI, 1912956897, was assigned on May 9, 2006. Dr. Guempel graduated from University of Louisville School of Medicine in 1995. Dr. Guempel holds Oregon license MD22992.
- NPI
- 1912956897NPI Registry (opens in a new tab)
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ulrike M. Guempel practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Guempel's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ulrike M. Guempel is affiliated with 2 sites of care and 1 medical group
Dr. Guempel's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Guempel to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ulrike M. Guempel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guempel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ulrike M. Guempel is one of 1,680 internists in Oregon
Internal medicine is Dr. Guempel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Guempel is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Guempel
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. Ulrike M. Guempel's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Guempel's median patient age at 54, with 58% women.
Dr. Guempel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Ulrike M. Guempel wrote 343 Medicare Part D claims in 2024
In 2024, Dr. Guempel wrote 343 Medicare Part D claims for 180 patients. 83% of them were for generic drugs. CMS names the drug for 255 of them, across 6 drugs with 11 or more claims each, at $16,168 in total drug cost. In 2023, CMS named 224 claims across 11 drugs.
Dr. Guempel's Part D claims by kind of drug, 2024
- Generic283 claims83%
- Brand-name60 claims17%
Dr. Guempel'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2242024: 25514%
Drugs named by CMS: 6 in 2024, 11 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
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Dr. Ulrike M. Guempel graduated from University of Louisville School of Medicine
Dr. Guempel graduated from University of Louisville School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ulrike M. Guempel'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Ulrike M. Guempel
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What is Dr. Ulrike M. Guempel's NPI number?
Dr. Ulrike M. Guempel's NPI number is 1912956897. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ulrike M. Guempel?
Dr. Ulrike M. Guempel is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ulrike M. Guempel practice?
Dr. Guempel practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Guempel's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Guempel to 1 group practice or clinic.
What is Dr. Ulrike M. Guempel's office phone number?
The practice phone on file for Dr. Guempel is (503) 813-2440.
What is Dr. Ulrike M. Guempel's medical license number?
Dr. Guempel holds Oregon license MD22992.
What medical group is Dr. Ulrike M. Guempel part of?
Dr. Guempel is linked to Kaiser Permanente Northwest.
Where did Dr. Ulrike M. Guempel go to medical school?
Dr. Guempel graduated from University of Louisville School of Medicine in 1995.
What drugs does Dr. Ulrike M. Guempel prescribe most?
In 2024 Medicare Part D data, Dr. Guempel's most prescribed drugs by claims were Gavilyte-C, Pantoprazole Sodium and Sucralfate.
How long has Dr. Ulrike M. Guempel been practicing?
Dr. Guempel graduated from medical school in 1995, 31 years ago.
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