JAMES C. MATCHISON M.D.
NPI 1629275631
Internal Medicine - Interventional Cardiology in Torrance, CA

Q: What is James Matchison's NPI number?

The NPI number for James Matchison is 1629275631. It was assigned to this individual provider in the NPPES registry on July 2, 2007.

Q: What is James Matchison'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 James Matchison was last updated on April 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 July 02, 2007PECOS EnrolledAccepts Medicare Assignment

2841 LOMITA BLVD, SUITE 235, TORRANCE, CA 90505(310) 517-8950(310) 326-6080 Get Directions Write a Review

NPPES record last updated: April 14, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About James C. Matchison M.d. NPPES

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

JAMES C. MATCHISON M.D. (NPI 1629275631) is an individual interventional cardiology provider in Torrance, California, licensed in California (A97926) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2005).

NPPES Registry Identity

NPI1629275631

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameJAMES C. MATCHISONCredential: M.D.

Location Address2841 LOMITA BLVD, SUITE 235Torrance, CA 90505-5116

Mailing Address2841 Lomita Blvd., Suite 100Torrance, CA 90505 · (310) 257-0508 · Fax (310) 325-8109

Phone(310) 517-8950

Fax(310) 326-6080

Sole ProprietorNo

Medical School CMSOhio State University College Of MedicineGraduated 2005

Enumeration DateJuly 2, 2007

Last NPPES UpdateApril 14, 2017

✔ NPI 1629275631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in CA · A97926

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 Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A97926 (CA)

2841 LOMITA BLVD, Torrance, CA 90505

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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. Matchison 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 ID4284763053

PECOS Enrollment IDI20100603000970

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 James Matchison reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cor Healthcare Medical Associates

Same address

Internal Medicine

2841 LOMITA BLVD., SUITE 100
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
27 clinicians in this Medicare group

NPI 1699864215 (310) 257-0508

Torrance Memorial Medical Center

0.4 mi

Diagnostic Radiology

3330 LOMITA BLVD
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
106 clinicians in this Medicare group

NPI 1477502797 (310) 325-9110

Torrance Health Association Inc

0.5 mi

Family Medicine

3333 SKYPARK DR, SUITE 100
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
388 clinicians in this Medicare group

NPI 1083903124 (310) 784-6300

Southern California Hospitalist Network Medical Group Inc

26 mi

Internal Medicine

625 THE CITY DR S STE 320
Orange, CA 92868

Reassigned Medicare billing, California enrollment
187 clinicians in this Medicare group

NPI 1790880458 (714) 202-2330

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 29

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 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.

410 services321 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.

360 services325 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

353 services28 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

269 services29 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.

251 services234 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

216 services23 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

141 services18 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

101 services23 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

93 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.

80 services37 patients

Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451

This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.

61 services52 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.

60 services59 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.

57 services49 patients

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

49 services48 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.

47 services45 patients

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

45 services43 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, each additional vessel 92979

This procedure involves using ultrasound technology to evaluate the condition of your heart's blood vessels or graft. A radiologist reviews the images to check for any abnormalities. If additional vessels need to be examined, the process is repeated.

43 services26 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 services42 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.

42 services35 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.

36 services27 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.

35 services32 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.

31 services31 patients

Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel 93571

This procedure involves using ultrasound technology to examine the first blood vessel of your heart. It helps identify any abnormalities or issues, providing crucial information for diagnosis or treatment. It's a safe, non-invasive process.

23 services23 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.

23 services23 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.

22 services21 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.

14 services14 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.

14 services14 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.

13 services11 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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 20

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

SUNNY MELENDEZ MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

2841 LOMITA BLVD, SUITE 205
TORRANCE, CA 90505

Los Angeles County (310) 542-7733

EROL M KOSAR MD

Internal Medicine (Clinical Cardiac Electrophysiology)

2841 LOMITA BLVD, SUITE 100
TORRANCE, CA 90505

Los Angeles County (310) 257-0508

MR. GENE C KIM M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

2841 LOMITA BLVD, STE. 100
TORRANCE, CA 90505

Los Angeles County (310) 257-0508

DR. MATTHEW PHILLIP OSTROM M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

2841 LOMITA BLVD, SUITE 100
TORRANCE, CA 90505

Los Angeles County (310) 257-0508

MR. HOWARD H ABRAMS M.D.

Internal Medicine (Cardiovascular Disease)

2841 LOMITA BLVD, STE. 100
TORRANCE, CA 90505

Los Angeles County (310) 257-0508

MR. RAY MICHAEL WYMAN M.D.

Internal Medicine (Interventional Cardiology)

2841 LOMITA BLVD, STE. 100
TORRANCE, CA 90505

Los Angeles County (310) 257-0508

MARK LURIE M.D.

Internal Medicine (Cardiovascular Disease)

2841 LOMITA BLVD, SUITE 235
TORRANCE, CA 90505

Los Angeles County (310) 517-8950

DR. DAVID MARSHALL BLOOM M.D.

Internal Medicine (Nephrology)

2841 LOMITA BLVD, SUITE 215
TORRANCE, CA 90505

Los Angeles County (310) 379-2860

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 Matchison's NPI number?

The NPI number for James Matchison is 1629275631. It was assigned to this individual provider in the NPPES registry on July 2, 2007.

Where is James Matchison located?

James Matchison practices at 2841 Lomita Blvd Suite 235, Torrance, CA 90505. The listed phone number is (310) 517-8950.

What is James Matchison's specialty?

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

Is James Matchison enrolled in Medicare?

Yes. James Matchison 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 James Matchison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Matchison reassigns Medicare benefits to 4 organizations: Cor Healthcare Medical Associates (Torrance, CA), Torrance Memorial Medical Center (Torrance, CA), Torrance Health Association Inc (Torrance, CA) and Southern California Hospitalist Network Medical Group Inc (Orange, CA). 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 James Matchison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Matchison was last updated on April 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.