DR. ALEX C JOHNSON MD
NPI 1417081399
Internal Medicine - Interventional Cardiology in Boise, ID

Q: What is Alex Johnson's NPI number?

The NPI number for Alex Johnson is 1417081399. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Q: What is Alex Johnson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Alex Johnson was last updated on December 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 15, 2007PECOS EnrolledAccepts Medicare Assignment

6140 W CURTISIAN, SUITE 200, BOISE, ID 83704(208) 302-0000(208) 302-0055 Get Directions Write a Review

NPPES record last updated: December 20, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 20, 2019, Nov 15, 2016 (2 updates tracked since 2016).

On this page

About Dr. Alex C Johnson Md NPPES

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

DR. ALEX C JOHNSON MD (NPI 1417081399) is an individual interventional cardiology provider in Boise, Idaho, licensed in Idaho (M-11027) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (2003).

NPPES Registry Identity

NPI1417081399

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. ALEX C JOHNSONCredential: MD

Location Address6140 W CURTISIAN, SUITE 200Boise, ID 83704

Mailing Address3340 East Goldstone WayMeridian, ID 83642-1026 · (208) 302-0000 · Fax (208) 302-0055

Phone(208) 302-0000

Fax(208) 302-0055

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2003

Enumeration DateMarch 15, 2007

Last NPPES UpdateDecember 20, 20192 updates tracked since enumeration

✔ NPI 1417081399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in ID · M-11027

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal MedicineTaxonomy 207R00000X · License M-11027 (ID), 2007-00204 (NC)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License M-11027 (ID)

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License M-11027 (ID)

6140 W CURTISIAN, Boise, ID 83704

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alex C Johnson Md 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 ID345332433

PECOS Enrollment IDI20100813000831, I20120119000824

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.

Medicare Billing Reassignments

Medicare enrollment records show Alex Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Alphonsus Regional Medical Center Inc

0.1 mi

Psychologist

1055 N CURTIS RD
Boise, ID 83706

Reassigned Medicare billing, Idaho and Oregon enrollments
Also billed through NPI 1861676298 (Oregon)
781 clinicians in this Medicare group

NPI 1649357716 (208) 367-4148

Grande Ronde Hospital, Inc.

149 mi

Critical Access

900 SUNSET DR
La Grande, OR 97850

Reassigned Medicare billing, Oregon enrollment
167 clinicians in this Medicare group

NPI 1467446195 (541) 963-1472

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 28

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.

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.

715 services544 patients

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.

409 services398 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.

263 services230 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

105 services104 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

90 services90 patients

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

89 services84 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

83 services76 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.

63 services63 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

57 services56 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.

56 services29 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.

43 services41 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

42 services42 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 services40 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

40 services40 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.

40 services40 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.

37 services37 patients

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

37 services37 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.

36 services35 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

27 services25 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

23 services21 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.

21 services21 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services21 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

19 services15 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.

18 services15 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

16 services16 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

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

13 services12 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Alphonsus Regional Medical Center

Acute Care Hospitals · Boise, ID

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number130007

Location1055 North Curtis RoadBoise, ID 83706 · Ada County

Emergency services Birthing friendly

Saint Alphonsus Medical Center - Nampa

Acute Care Hospitals · Nampa, ID

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number130013

Location4300 E Flamingo AveNampa, ID 83687 · Canyon County

Emergency services Birthing friendly

Saint Alphonsus Medical Center - Ontario

Acute Care Hospitals · Ontario, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380052

Location351 SW 9th StreetOntario, OR 97914 · Malheur County

Emergency services

St. Alphonsus Medical Center - Baker City

Critical Access Hospitals · Baker City, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number381315

Location3325 Pocahontas RoadBaker City, OR 97814 · Baker County

Emergency services

Grande Ronde Hospital

Critical Access Hospitals · La Grande, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381321

Location900 Sunset DriveLa Grande, OR 97850 · Union County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83704 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

$121.27 typical visit price

range $52.44 – $160.17

Typical copayment $30.31 (range $13.11 – $40.04)

Most-billed visit code 99204

Established Patient

$93.26 typical visit price

range $16.68 – $130.93

Typical copayment $23.31 (range $4.17 – $32.73)

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.

Other Providers at the Same Location NPPES 17

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

JEFFREY B. SYMMONDS MD

Surgery (Vascular Surgery)

6140 W CURTISIAN, SUITE 300
BOISE, ID 83704

Ada County (208) 367-7787

ICA CATH LAB LLC

Internal Medicine

6140 W CURTISIAN, STE 300
BOISE, ID 83704

Ada County (208) 322-1680

JOCELYN L MCCULLOUGH CNS

Clinical Nurse Specialist (Adult Health)

6140 W CURTISIAN, STE 200
BOISE, ID 83704

Ada County (208) 302-0000

HELEN LAWLER PA

Physician Assistant

6140 W CURTISIAN, STE 200
BOISE, ID 83704

Ada County (208) 302-0000

IDAHO CARDIOLOGY ASSOCIATES PA

Internal Medicine (Interventional Cardiology)

6140 W CURTISIAN, STE 200
BOISE, ID 83704

Ada County (208) 322-1680

DR. MATTHEW RYAN NELSON MD

Internal Medicine (Cardiovascular Disease)

6140 W CURTISIAN, STE 200
BOISE, ID 83704

Ada County (208) 302-0000

MR. DALE W. MCGAR JR. PA-C

Physician Assistant

6140 W CURTISIAN, STE 102
BOISE, ID 83704

Ada County (208) 367-7787

MRS. LAURA MORTON NP

Nurse Practitioner (Family)

6140 W CURTISIAN, STE 200
BOISE, ID 83704

Ada County (208) 302-0000

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 Alex Johnson's NPI number?

The NPI number for Alex Johnson is 1417081399. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Where is Alex Johnson located?

Alex Johnson practices at 6140 W Curtisian Suite 200, Boise, ID 83704. The listed phone number is (208) 302-0000.

What is Alex Johnson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Alex Johnson enrolled in Medicare?

Yes. Alex Johnson 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.

Which organizations bill Medicare for Alex Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Johnson reassigns Medicare benefits to 2 organizations: Saint Alphonsus Regional Medical Center Inc (Boise, ID) and Grande Ronde Hospital, Inc. (La Grande, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alex Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Johnson accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Alex Johnson 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 Alex Johnson affiliated with any hospitals?

According to CMS data, Alex Johnson is affiliated with Saint Alphonsus Regional Medical Center, Saint Alphonsus Medical Center - Nampa, Saint Alphonsus Medical Center - Ontario, St. Alphonsus Medical Center - Baker City and Grande Ronde Hospital.

When was this NPI record last updated?

The NPPES record for Alex Johnson was last updated on December 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.