1. Home
  2. Directory
  3. Washington
  4. Walla Walla
  5. Internal Medicine
  6. NPI Profile

KARL STUART TJERANDSEN M.D.
NPI 1487077566
Internal Medicine in Walla Walla, WA

Active since January 27, 2014PECOS EnrolledAccepts Medicare Assignment
83.53/100
CMS Quality Rating
401 W POPLAR ST, WALLA WALLA, WA 99362(509) 897-3320 Get Directions Write a Review

NPPES record last updated: May 31, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 10, 2023, Jul 6, 2020, Jul 3, 2020 (3 updates tracked since 2020).

About Karl Stuart Tjerandsen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KARL STUART TJERANDSEN M.D. (NPI 1487077566) is an individual internal medicine provider in Walla Walla, Washington, licensed in Washington (MD61486738) and active in the NPI registry since January 2014. He is enrolled in Medicare PECOS, is affiliated with Wallowa Memorial Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (2017).

NPPES Registry Identity

NPI1487077566
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKARL STUART TJERANDSENCredential: M.D.
Location Address401 W POPLAR STWalla Walla, WA 99362-2846
Mailing Address401 W Poplar StWalla Walla, WA 99362-2846
Phone(509) 897-3320
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2017
Enumeration DateJanuary 27, 2014
Last NPPES UpdateMay 31, 20243 updates tracked since enumeration
NPPES CertifiedMay 31, 2024
✔ NPI 1487077566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in WA · MD61486738✔ Licensed in MN · 66833
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
401 W POPLAR ST, Walla Walla, WA 99362
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karl Stuart Tjerandsen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466717475
PECOS Enrollment IDI20240107000022
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
370 services179 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
212 services105 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
171 services161 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
31 services24 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services16 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
24 services24 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wallowa Memorial Hospital

Critical Access Hospitals · Enterprise, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381306
Location601 Medical ParkwayEnterprise, OR 97828 · Wallowa County
Emergency services Birthing friendly

St Anthony Hospital

Critical Access Hospitals · Pendleton, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381319
Location2801 St Anthony WayPendleton, OR 97801 · Umatilla County
Emergency services Birthing friendly

Providence St Mary Medical Center

Acute Care Hospitals · Walla Walla, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500002
Location401 W Poplar StWalla Walla, WA 99362 · Walla Walla County
Emergency services Birthing friendly

Dayton General Hospital

Critical Access Hospitals · Dayton, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501302
Location1012 South 3rd StreetDayton, WA 99328 · Columbia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99362 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.53/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.79
Promoting Interoperability100
Improvement Activities40
Cost63.31

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PATRICK R SMART ARNP
Nurse Practitioner
401 W POPLAR ST, SLEEP MEDICINE CENTER
WALLA WALLA, WA 99362
Walla Walla County (509) 522-5946
JENNIFER SIMPSON
Registered Nurse
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (817) 933-1868
JAMES WILLIAM ROSSMAN MD
Anesthesiology
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2002
DR. ROBERT JOHN BRAWDERS PHARMD
Pharmacist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2055
KRISTA NEUENDORFF OTR/L
Occupational Therapist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-5022
NORA KEOUGH COTA/L
Occupational Therapy Assistant
401 W POPLAR ST, REBAB SERVICE
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2100
DR. PHILIP A GREEN MD
Emergency Medicine
401 W POPLAR ST, PSMMC ER
WALLA WALLA, WA 99362
Walla Walla County (509) 522-5802
DENNIS DUMOT
Pharmacist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-3320

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karl Tjerandsen's NPI number?

The NPI number for Karl Tjerandsen is 1487077566. It was assigned to this individual provider in the NPPES registry on January 27, 2014.

Where is Karl Tjerandsen located?

Karl Tjerandsen practices at 401 W Poplar St, Walla Walla, WA 99362. The listed phone number is (509) 897-3320.

What is Karl Tjerandsen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karl Tjerandsen enrolled in Medicare?

Yes. Karl Tjerandsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karl Tjerandsen accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Karl Tjerandsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karl Tjerandsen affiliated with any hospitals?

According to CMS data, Karl Tjerandsen is affiliated with Wallowa Memorial Hospital, St Anthony Hospital, Providence St Mary Medical Center and Dayton General Hospital.

When was this NPI record last updated?

The NPPES record for Karl Tjerandsen was last updated on May 31, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.