NANCY KOSTER M.D.
NPI 1073571741
Internal Medicine - Cardiovascular Disease in Spokane Valley, WA

Q: What is Nancy Koster's NPI number?

The NPI number for Nancy Koster is 1073571741. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Q: What is Nancy Koster's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Koster was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment

16528 E DESMET CT STE B3200, SPOKANE VALLEY, WA 99216(509) 455-8820 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 20, 2026, Nov 5, 2021, Feb 17, 2021 and 3 more (6 updates tracked since 2015).

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About Nancy Koster M.d. NPPES

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

NANCY KOSTER M.D. (NPI 1073571741) is an individual cardiovascular disease provider in Spokane Valley, Washington, licensed in Washington (MD61103411) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Samaritan Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1073571741

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameNANCY KOSTERCredential: M.D.

Location Address16528 E DESMET CT STE B3200Spokane Valley, WA 99216-3522

Mailing AddressPo Box 31001-4114Pasadena, CA 91110-0001 · (866) 747-2455

Phone(509) 455-8820

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 1999

Enumeration DateMay 3, 2006

Last NPPES UpdateMarch 20, 20266 updates tracked since enumeration

NPPES CertifiedMarch 20, 2026

✔ NPI 1073571741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in WA · MD61103411✔ Licensed in ID · M15380

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

16528 E DESMET CT STE B3200, Spokane Valley, WA 99216

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Secondary Practice Locations 3

Location 162 W 7th Ave Ste 450Spokane, WA 99204-2321 · Phone (509) 455-8820 · Fax (509) 227-7070

Location 27500 Mercy RdOmaha, NE 68124-2319 · Phone (402) 398-5880 · Fax (402) 398-6716

Location 3700 W Ironwood Dr Ste 320Coeur D Alene, ID 83814-4485 · Phone (208) 625-5250 · Fax (208) 625-5251

Other Identifiers 2

Medicaid100264481-00NE

Medicaid1073571741IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Nancy Koster 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 ID9234141201

PECOS Enrollment IDI20211216000404

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 18

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

456 services448 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

138 services124 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

134 services101 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.

90 services57 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

88 services86 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

87 services87 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

86 services85 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

65 services65 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.

41 services41 patients

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.

40 services27 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

31 services30 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

29 services25 patients

Electrocardiogram (ecg) 2-day continuous 93225

An Electrocardiogram (ECG) 2-day continuous is a non-invasive test that records the electrical activity of your heart over 48 hours. It helps to detect irregular heart rhythms, heart disease, or other cardiac conditions. You wear a portable device that records heart activity as you go about your daily activities.

26 services25 patients

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.

19 services19 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

14 services14 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

14 services13 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

11 services11 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Samaritan Hospital

Acute Care Hospitals · Moses Lake, WA

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500033

Location801 East Wheeler RoadMoses Lake, WA 98837 · Grant County

Emergency services Birthing friendly

Prov Sacred Hrt Med Ctr & Childs Hosp.

Acute Care Hospitals · Spokane, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500054

Location101 West 8th AvenueSpokane, WA 99204 · Spokane County

Emergency services Birthing friendly

Providence Holy Family Hospital

Acute Care Hospitals · Spokane, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500077

Location5633 North LidgerwoodSpokane, WA 99208 · Spokane County

Emergency services Birthing friendly

Providence St Joseph Hospital

Critical Access Hospitals · Chewelah, WA

OwnershipVoluntary non-profit - Church

CMS Certification Number501309

Location500 East WebsterChewelah, WA 99109 · Stevens County

Emergency services

Providence Mount Carmel Hospital

Critical Access Hospitals · Colville, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number501326

Location982 East ColumbiaColville, WA 99114 · Stevens County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99216 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

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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.

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Other Providers at the Same Location NPPES 6

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

RACHEL JUSTINE LE MD

Internal Medicine (Cardiovascular Disease)