KATHERINE M. TJADEN PA-C
NPI 1013974575
Physician Assistant in Ames, IA

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
3800 LINCOLN WAY, AMES, IA 50014(515) 956-4100(515) 956-4108 Get Directions Write a Review

NPPES record last updated: February 22, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Katherine M. Tjaden Pa-c NPPES

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

KATHERINE M. TJADEN PA-C (NPI 1013974575) is an individual physician assistant in Ames, Iowa, licensed in Iowa (001576) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1013974575
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE M. TJADENCredential: PA-C
Location Address3800 LINCOLN WAYAmes, IA 50014-3402
Mailing AddressPo Box 3014, 1215 Duff Ave Mcfarland Clinic PcAmes, IA 50010-3014 · (515) 239-4501 · Fax (515) 239-4446
Fax(515) 956-4108
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateApril 28, 2006
Last NPPES UpdateFebruary 22, 2024
NPPES CertifiedFebruary 22, 2024
NPI 1013974575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IA · 001576
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
3800 LINCOLN WAY, Ames, IA 50014

Other Names 1

Former Name (1)Katherine M Rhoades

Other Identifiers 3

OtherI12876IA · Medicare B
Medicaid0638536IA
Other0152082IA · Medicaid Hospital

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

Katherine M. Tjaden Pa-c 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 ID8224004742
PECOS Enrollment IDI20040907000831
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 7

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
179 services170 patients
Bacterial colony count, urine 87086
A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).
31 services29 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
25 services23 patients
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 0241U
This test detects the RNA of respiratory viruses, including COVID-19, Influenza A, Influenza B, and Respiratory Syncytial Virus, in an upper respiratory specimen. The test result will report if each virus is detected or not, helping in accurate diagnosis.
21 services21 patients
Bacterial culture for aerobic isolates 87077
A bacterial culture for aerobic isolates is a lab test that helps identify bacteria that thrive in oxygen-rich environments. A sample from the suspected infection site is collected, then placed in a special medium that promotes bacterial growth. After a set period, the lab identifies any bacteria present, aiding in accurate diagnosis and treatment.
14 services13 patients
Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186
This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.
14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50014 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

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

Optometrist
3800 LINCOLN WAY
AMES, IA 50014
Pharmacist
3800 LINCOLN WAY
AMES, IA 50014
Pharmacist
3800 LINCOLN WAY
AMES, IA 50014
Physician Assistant
3800 LINCOLN WAY
AMES, IA 50014
Dietitian, Registered
3800 LINCOLN WAY
AMES, IA 50014
Pharmacist
3800 LINCOLN WAY
AMES, IA 50014
Pharmacist
3800 LINCOLN WAY
AMES, IA 50014

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 Katherine Tjaden's NPI number?

The NPI number for Katherine Tjaden is 1013974575. It was assigned to this individual provider in the NPPES registry on April 28, 2006. The provider is also known as Katherine M Rhoades.

Where is Katherine Tjaden located?

Katherine Tjaden practices at 3800 Lincoln Way, Ames, IA 50014. The listed phone number is (515) 956-4100.

What is Katherine Tjaden's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Katherine Tjaden enrolled in Medicare?

Yes. Katherine Tjaden 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.

When was this NPI record last updated?

The NPPES record for Katherine Tjaden was last updated on February 22, 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.