Dr. Robert Ludemann, MD, PhD
- Part D claims, 2021
- 15
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 10100 Se Sunnyside Rd, Clackamas, OR 97015-8970
- Practice phone
- Call (800) 813-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd)
Multi-specialty group site · Clackamas, Oregon
Find Dr. Ludemann's professional email, personal email and mobile number
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Dr. Robert Ludemann is a general surgeon in Oregon
Dr. Ludemann practices at Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd) in Clackamas, Oregon.
Dr. Ludemann's NPI, 1356354161, was assigned on August 14, 2006. Dr. Ludemann holds Oregon license MD23450.
- NPI
- 1356354161NPI Registry (opens in a new tab)
- NPI enumeration date
- August 14, 2006
- NPI status
- Active
- Practice phone
- (800) 813-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Ludemann practices at Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd) in Clackamas, Oregon
Dr. Ludemann's primary practice is Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd), at 10100 Se Sunnyside Rd, Clackamas, OR 97015-8970. The practice phone is (800) 813-2000.
- Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd)10100 Se Sunnyside Rd, Clackamas, OR 97015-8970Phone(800) 813-2000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Ludemann is affiliated with 1 site of care and 1 medical group
Dr. Ludemann's primary practice is Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd) in Clackamas, Oregon. The medical group on file is Kaiser Permanente Northwest.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert Ludemann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludemann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Ludemann is one of 438 general surgeons in Oregon
Surgery is Dr. Ludemann's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Ludemann's licenses on file in 2 states: Oregon and Washington.
Specialties and state licenses
- Surgery, OregonPrimary
- Washington license
General surgeons near Dr. Ludemann
Counts of general surgeons 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. Robert Ludemann's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Ludemann's median patient age at 61, with 100% women.
Dr. Ludemann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Robert Ludemann wrote 15 Medicare Part D claims in 2021
In 2021, Dr. Ludemann wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $94 in total drug cost. In 2020, CMS named 34 claims across 1 drug.
Dr. Ludemann's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 342021: 1556%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Robert Ludemann'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Robert Ludemann
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. Robert Ludemann's NPI number?
Dr. Robert Ludemann's NPI number is 1356354161. It was assigned on August 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Ludemann?
Dr. Robert Ludemann is a general surgeon in Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Robert Ludemann practice?
Dr. Ludemann practices at 10100 Se Sunnyside Rd, Clackamas, OR 97015-8970. Dr. Ludemann's primary practice is Kfhp Portland Metropolitan Area - Clackamas (10100 SE Sunnyside Rd) in Clackamas, Oregon.
What is Dr. Robert Ludemann's office phone number?
The practice phone on file for Dr. Ludemann is (800) 813-2000.
What is Dr. Robert Ludemann's medical license number?
Dr. Ludemann holds Oregon license MD23450, one of the licenses on file in 2 states.
Which states has Dr. Robert Ludemann been licensed in?
Dmand AI has state licenses on file for Dr. Ludemann in Oregon and Washington.
What medical group is Dr. Robert Ludemann part of?
Dr. Ludemann is linked to Kaiser Permanente Northwest.
What drugs does Dr. Robert Ludemann prescribe most?
In 2021 Medicare Part D data, Dr. Ludemann's most prescribed drugs by claims were Oxycodone HCl.
How long has Dr. Robert Ludemann been practicing?
Dr. Ludemann graduated from medical school in 1995, 31 years ago.
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