JAMES C FIELD MD
NPI 1255386942
Internal Medicine - Cardiovascular Disease in Caldwell, ID

Q: What is James Field's NPI number?

The NPI number for James Field is 1255386942. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is James Field'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 James Field was last updated on November 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 May 23, 2006PECOS EnrolledAccepts Medicare Assignment

315 E ELM ST, STE 350, CALDWELL, ID 83605(208) 454-6363(208) 454-3512 Get Directions Write a Review

NPPES record last updated: November 16, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About James C Field Md NPPES

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

JAMES C FIELD MD (NPI 1255386942) is an individual cardiovascular disease provider in Caldwell, Idaho, licensed in Idaho (M7474) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of University Of New Mexico School Of Medicine (1992).

NPPES Registry Identity

NPI1255386942

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameJAMES C FIELDCredential: MD

Location Address315 E ELM ST, STE 350Caldwell, ID 83605

Mailing Address190 E Bannock StBoise, ID 83712 · (208) 454-6363 · Fax (208) 454-3512

Phone(208) 454-6363

Fax(208) 454-3512

Sole ProprietorNo

Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 1992

Enumeration DateMay 23, 2006

Last NPPES UpdateNovember 16, 2011

✔ NPI 1255386942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in ID · M7474

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.

315 E ELM ST, Caldwell, ID 83605

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.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

James C Field 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 ID1658317334

PECOS Enrollment IDI20050705000092, I20061204000224

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 Reassignment

Medicare enrollment records show James Field reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Lukes Clinic-Treasure Valley LLC

25 mi

Family Medicine

190 E BANNOCK ST
Boise, ID 83712

Reassigned Medicare billing, Idaho enrollment
1,312 clinicians in this Medicare group

NPI 1326336058 (208) 381-2222

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 21

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.

1,440 services1,133 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.

336 services334 patients

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

134 services133 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.

122 services120 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.

106 services105 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.

94 services94 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.

94 services83 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.

93 services93 patients

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

82 services82 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.

73 services73 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.

48 services44 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.

40 services37 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.

37 services34 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.

21 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services19 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.

16 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.

16 services16 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.

13 services13 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.

12 services12 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.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130006

Location190 East Bannock StreetBoise, ID 83712 · Ada County

Emergency services Birthing friendly

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

West Valley Medical Center

Acute Care Hospitals · Caldwell, ID

5/5 CMS rating

OwnershipProprietary

CMS Certification Number130014

Location1717 Arlington StreetCaldwell, ID 83605 · Canyon County

Emergency services

St Luke's Nampa Medical Center

Acute Care Hospitals · Nampa, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130071

Location9850 West St Lukes DriveNampa, ID 83687 · Canyon County

Emergency services Birthing friendly

St Luke's Mccall

Critical Access Hospitals · Mccall, ID

OwnershipProprietary

CMS Certification Number131312

Location1000 State StreetMccall, ID 83638 · Valley County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83605 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

$65.77 typical visit price

range $16.68 – $130.93

Typical copayment $16.44 (range $4.17 – $32.73)

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 14

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

SAINT ALPHONSUS REGIONAL MEDICAL CENTER

Family Medicine

315 E ELM ST, SUITE 100
CALDWELL, ID 83605

Canyon County (208) 459-7415

SHERRI L BROWN MD

Internal Medicine

315 E ELM ST
CALDWELL, ID 83605

Canyon County (208) 459-7415

ROGER WYATT MD

Family Medicine

315 E ELM ST, STE 100
CALDWELL, ID 83605

Canyon County (208) 302-7100

BRENDA S DAVIES MD

Obstetrics & Gynecology

315 E ELM ST, SUITE 310
CALDWELL, ID 83605

Canyon County (208) 454-2035

SAINT ALPHONSUS PHYSICIAN SERVICES INC

Clinic/Center (Rural Health)

315 E ELM ST, SUITE 100
CALDWELL, ID 83605

Canyon County (208) 459-7415

SAMUEL M SUMMERS MD

Family Medicine

315 E ELM ST, SUITE 100
CALDWELL, ID 83605

Canyon County (208) 302-7100

SAINT ALPHONSUS PHYSICIAN SERVICES INC

Family Medicine

315 E ELM ST, SUITE 100
CALDWELL, ID 83605

Canyon County (208) 459-7415

KEVIN J CHICOINE MD

Family Medicine

315 E ELM ST
CALDWELL, ID 83605

Canyon County (208) 459-7415

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 James Field's NPI number?

The NPI number for James Field is 1255386942. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is James Field located?

James Field practices at 315 E Elm St Ste 350, Caldwell, ID 83605. The listed phone number is (208) 454-6363.

What is James Field's specialty?

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

Is James Field enrolled in Medicare?

Yes. James Field 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 organization bills Medicare for James Field's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Field reassigns Medicare benefits to St Lukes Clinic-Treasure Valley LLC (Boise, ID). The 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 James Field's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Field accept?

Health plans from Select Health list James Field 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 James Field affiliated with any hospitals?

According to CMS data, James Field is affiliated with St Luke's Regional Medical Center, Saint Alphonsus Regional Medical Center, West Valley Medical Center, St Luke's Nampa Medical Center and St Luke's Mccall.

When was this NPI record last updated?

The NPPES record for James Field was last updated on November 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.