Dr. Karl Stuart Tjerandsen, MD
- Medicare services, 2024
- 927
- Medicare patients, 2024
- 267
- Part D claims, 2024
- 557
- Hospital affiliations
- 4
- Medical groups
- 5
- Practice address
- 401 W Poplar St, Walla Walla, WA 99362
- Practice phone
- Call (509) 522-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tjerandsen'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. Karl Stuart Tjerandsen is an internist in Walla Walla, Washington
Dr. Tjerandsen practices at Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services.
Dr. Tjerandsen's NPI, 1487077566, was assigned on January 27, 2014. Dr. Tjerandsen graduated from Oregon Health Sciences University School of Medicine in 2017. Dr. Tjerandsen holds Washington license MD61486738.
- NPI
- 1487077566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466717475
- NPI enumeration date
- January 27, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 522-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl Stuart Tjerandsen practices at Providence St. Mary Medical Center in Walla Walla, Washington
Dr. Tjerandsen's primary practice is Providence St. Mary Medical Center, at 401 W Poplar St, Walla Walla, WA 99362 in Walla Walla County. The practice phone is (509) 522-5900.
- Providence St. Mary Medical Center401 W Poplar St, Walla Walla, WA 99362 · Walla Walla CountyPhone(509) 522-5900
Source: Dmand AI Affiliation Data
Dr. Karl Stuart Tjerandsen is affiliated with 4 sites of care and 5 medical groups
Dr. Tjerandsen's primary practice is Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services. Dr. Tjerandsen is also affiliated with CHI St. Anthony Hospital. The medical group on file is Providence Medical Group - Southeast Washington (Walla Walla). Dmand AI also links Dr. Tjerandsen to 2 more hospitals and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karl Stuart Tjerandsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tjerandsen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Mary Medical Center | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karl Stuart Tjerandsen is one of 2,689 internists in Washington
Internal medicine is Dr. Tjerandsen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Tjerandsen's licenses on file in 2 states: Washington and Minnesota.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
- Minnesota license
Internists near Dr. Tjerandsen
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. Karl Stuart Tjerandsen billed Medicare for 927 services in 2024
CMS data shows 927 Medicare services from Dr. Tjerandsen across 7 procedure codes in 2024, for 267 Medicare patients. Medicare paid $73,202 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tjerandsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4752024: 83375%
- Other services
- 2023: 622024: 9452%
Dr. Tjerandsen compared with the Washington median for internists, 2024
- Dr. Tjerandsen
- Washington median
- Medicare services
- 927vs 3642.5 times
- Medicare patients
- 267vs 16562% above
- Part D claims
- 242vs 18233% above
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Tjerandsen'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. Tjerandsen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tjerandsen and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl Stuart Tjerandsen treated 267 Medicare patients in 2024, average age 79
CMS counts 267 Medicare patients who saw Dr. Tjerandsen in 2024. The largest group is 85 and over, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tjerandsen's median patient age at 76, with 48% women.
Dr. Tjerandsen's Medicare patients by age, 2024
Dr. Tjerandsen's Medicare patients by sex, 2024
- Women16060%
- Men10740%
Chronic conditions among Dr. Tjerandsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Chronic kidney disease57%
- Heart failure54%
- Mood disorders54%
- Ischemic heart disease53%
- Depression51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tjerandsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl Stuart Tjerandsen wrote 557 Medicare Part D claims in 2024
In 2024, Dr. Tjerandsen wrote 557 Medicare Part D claims for 148 patients. 85% of them were for generic drugs. CMS names the drug for 242 of them, across 13 drugs with 11 or more claims each, at $22,900 in total drug cost. In 2023, CMS named 202 claims across 10 drugs.
Dr. Tjerandsen's Part D claims by kind of drug, 2024
- Generic473 claims85%
- Brand-name and other84 claims15%
Dr. Tjerandsen'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. Tjerandsen's Part D claims, 2024
- Opioids3%18 of 557 claims
- Antibiotics11%63 of 557 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: 2022024: 24220%
Drugs named by CMS: 13 in 2024, 10 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. Karl Stuart Tjerandsen takes part in Medicare
Dr. Tjerandsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Karl Stuart Tjerandsen graduated from Oregon Health Sciences University School of Medicine
Dr. Tjerandsen graduated from Oregon Health Sciences University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl Stuart Tjerandsen'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 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) |
| 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. Karl Stuart Tjerandsen
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. Karl Stuart Tjerandsen's NPI number?
Dr. Karl Stuart Tjerandsen's NPI number is 1487077566. It was assigned on January 27, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl Stuart Tjerandsen?
Dr. Karl Stuart Tjerandsen is an internist in Walla Walla, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karl Stuart Tjerandsen practice?
Dr. Tjerandsen practices at 401 W Poplar St, Walla Walla, WA 99362. Dr. Tjerandsen's primary practice is Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services. Dmand AI also links Dr. Tjerandsen to 2 hospitals and 4 medical groups.
What is Dr. Karl Stuart Tjerandsen's office phone number?
The practice phone on file for Dr. Tjerandsen is (509) 522-5900.
What is Dr. Karl Stuart Tjerandsen's medical license number?
Dr. Tjerandsen holds Washington license MD61486738, one of the licenses on file in 2 states.
Which states has Dr. Karl Stuart Tjerandsen been licensed in?
Dmand AI has state licenses on file for Dr. Tjerandsen in Washington and Minnesota.
Which hospitals is Dr. Karl Stuart Tjerandsen affiliated with?
Dr. Tjerandsen practices at Providence St. Mary Medical Center in Walla Walla, Washington. Dr. Tjerandsen is also affiliated with CHI St. Anthony Hospital. Dmand AI links Dr. Tjerandsen to 2 more hospitals.
What medical group is Dr. Karl Stuart Tjerandsen part of?
Dr. Tjerandsen is linked to Providence Medical Group - Southeast Washington (Walla Walla). Dmand AI links Dr. Tjerandsen to 4 more medical groups.
Does Dr. Karl Stuart Tjerandsen accept Medicare?
Yes. CMS data shows Dr. Tjerandsen billed Medicare for 927 services in 2024, and Dr. Tjerandsen accepts Medicare assignment.
How many Medicare patients does Dr. Karl Stuart Tjerandsen see?
CMS counts 267 Medicare patients who saw Dr. Tjerandsen in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. Karl Stuart Tjerandsen bill to Medicare?
In 2024, Dr. Tjerandsen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Karl Stuart Tjerandsen go to medical school?
Dr. Tjerandsen graduated from Oregon Health Sciences University School of Medicine in 2017.
What drugs does Dr. Karl Stuart Tjerandsen prescribe most?
In 2024 Medicare Part D data, Dr. Tjerandsen's most prescribed drugs by claims were Eliquis, Clopidogrel and Lisinopril.
How long has Dr. Karl Stuart Tjerandsen been practicing?
Dr. Tjerandsen graduated from medical school in 2017, 9 years ago.
Selling to internal medicine practices?
See internists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card