DR. ARTHUR J DAIGNEAULT MD
NPI 1609845361
Internal Medicine in Laguna Hills, CA

Q: What is Arthur Daigneault's NPI number?

The NPI number for Arthur Daigneault is 1609845361. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Q: What is Arthur Daigneault's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Arthur Daigneault was last updated on November 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 March 15, 2006PECOS EnrolledAccepts Medicare Assignment

77.62/100

CMS Quality Rating

24221 CALLE DE LA LOUISA, SUITE 200, LAGUNA HILLS, CA 92653(949) 588-8700(949) 465-8159 Get Directions Write a Review

NPPES record last updated: November 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 15, 2025, Sep 4, 2025 (2 updates tracked since 2025).

On this page

About Dr. Arthur J Daigneault Md NPPES

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

DR. ARTHUR J DAIGNEAULT MD (NPI 1609845361) is an individual internal medicine provider in Laguna Hills, California, licensed in California (G79967) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1993).

NPPES Registry Identity

NPI1609845361

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. ARTHUR J DAIGNEAULTCredential: MD

Location Address24221 CALLE DE LA LOUISA, SUITE 200Laguna Hills, CA 92653-7638

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(949) 588-8700

Fax(949) 465-8159

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1993

Enumeration DateMarch 15, 2006

Last NPPES UpdateNovember 15, 20252 updates tracked since enumeration

NPPES CertifiedNovember 15, 2025

✔ NPI 1609845361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G79967

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

24221 CALLE DE LA LOUISA, Laguna Hills, CA 92653

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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

Dr. Arthur J Daigneault 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 ID3971571977

PECOS Enrollment IDI20091222000634

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 Arthur Daigneault reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saddleback Medical Group Inc

Same address

Gastroenterology

24221 CALLE DE LA LOUISA, SUITE 400
Laguna Hills, CA 92653

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

NPI 1386605822 (949) 465-8155

Paloma Medical Group Inc

6.5 mi

Specialist

30230 RANCHO VIEJO RD, SUITE 200
San Juan Capistrano, CA 92675

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

NPI 1346331725 (949) 443-4303

Healthcare Partners Affiliates Medical Group

11 mi

Addiction Medicine

14591 NEWPORT AVE
Tustin, CA 92780

Reassigned Medicare billing, California enrollment
2,052 clinicians in this Medicare group

NPI 1891981502 (714) 442-4864

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 17

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.

426 services232 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.

221 services219 patients

Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446

This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.

180 services180 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

176 services176 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

170 services170 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

154 services154 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

45 services43 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

40 services40 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

39 services35 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

35 services35 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.

32 services29 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

24 services24 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

21 services21 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

18 services18 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

17 services17 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

14 services14 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.62/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

68.38

Promoting Interoperability

Improvement Activities

Cost

59.54

Reported Quality Measures

Breast Cancer Screening

11%121 patients1/55-star benchmark: 93%

Closing the Referral Loop: Receipt of Specialist Report

51%213 patients3/55-star benchmark: 87%

Colorectal Cancer Screening

64%362 patients3/55-star benchmark: 88%

Controlling High Blood Pressure

86%291 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

6%1,936 patients1/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

0%585 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

40%813 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

6%596 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

25%554 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 92% · 735 patients

90%735 patients

Provide Patients Electronic Access to Their Health Information

94%373 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 7% · 604 patients

Patients totalRate: 14% · 604 patients

9%604 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier12 claims12 services$215.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. KIMVIR S DHILLON MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 465-8145

DR. JAMES M TRENBEATH MD

Internal Medicine (Gastroenterology)

24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 770-7163

CUONG PHU LY M.D.

Internal Medicine (Nephrology)

24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 707-1059

DR. MARK D SHIELDS MD

Internal Medicine

24221 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653

Orange County (949) 588-8700

SADDLEBACK MEDICAL GROUP INC

Internal Medicine (Gastroenterology)

24221 CALLE DE LA LOUISA, SUITE 400
LAGUNA HILLS, CA 92653

Orange County (949) 465-8155

DR. NATHANIEL DAT HO M.D.

Internal Medicine (Nephrology)

24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 707-1059

CATHERINE BAO NGO M.D.

Internal Medicine (Gastroenterology)

24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 770-7163

DR. CECILIA H TRAN MD

Internal Medicine

24221 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653

Orange County (949) 420-5980

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 Arthur Daigneault's NPI number?

The NPI number for Arthur Daigneault is 1609845361. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is Arthur Daigneault located?

Arthur Daigneault practices at 24221 Calle De La Louisa Suite 200, Laguna Hills, CA 92653. The listed phone number is (949) 588-8700.

What is Arthur Daigneault's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Arthur Daigneault enrolled in Medicare?

Yes. Arthur Daigneault 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 Arthur Daigneault's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arthur Daigneault reassigns Medicare benefits to 3 organizations: Saddleback Medical Group Inc (Laguna Hills, CA), Paloma Medical Group Inc (San Juan Capistrano, CA) and Healthcare Partners Affiliates Medical Group (Tustin, 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 Arthur Daigneault'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 Arthur Daigneault was last updated on November 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.