DR. LOUIS S SCARCELLA MD
NPI 1821052598
Internal Medicine in Laguna Hills, CA

Q: What is Louis Scarcella's NPI number?

The NPI number for Louis Scarcella is 1821052598. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Q: What is Louis Scarcella'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 Louis Scarcella was last updated on September 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 April 12, 2006PECOS Enrolled

75.88/100

CMS Quality Rating

24221 CALLE DE LA LOUISA, SUITE 400, LAGUNA HILLS, CA 92653(949) 770-7691(949) 465-8159 Get Directions Write a Review

NPPES record last updated: September 29, 2011. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Dr. Louis S Scarcella Md NPPES

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

DR. LOUIS S SCARCELLA MD (NPI 1821052598) is an individual internal medicine provider in Laguna Hills, California, licensed in California (G40507) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821052598

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. LOUIS S SCARCELLACredential: MD

Location Address24221 CALLE DE LA LOUISA, SUITE 400Laguna Hills, CA 92653-7638

Mailing Address24221 Calle De La Louisa, Suite 400Laguna Hills, CA 92653-7638 · (949) 465-8155 · Fax (949) 465-8159

Phone(949) 770-7691

Fax(949) 465-8159

Sole ProprietorNo

Enumeration DateApril 12, 2006

Last NPPES UpdateSeptember 29, 2011

✔ NPI 1821052598 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 · G40507

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

Open in Google Maps ↗

Other Identifiers 2

Medicare UPINA92187

Medicare ID-Type UnspecifiedWG40507ACA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Louis S Scarcella Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 19

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.

676 services269 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.

224 services224 patients

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

221 services221 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.

210 services210 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.

209 services209 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.

199 services198 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.

70 services57 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.

68 services61 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.

33 services32 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

28 services23 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.

27 services27 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 services23 patients

Ldl cholesterol level 83721

The LDL cholesterol level is a test that measures the amount of low-density lipoprotein (LDL) in your blood. LDL is often referred to as 'bad cholesterol' because high levels can lead to heart disease. Regular testing helps monitor and manage your heart health.

24 services23 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.

24 services24 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

22 services22 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

17 services16 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

16 services13 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.

13 services13 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.

12 services12 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.

75.88/100

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

Individually scored

Quality

67.36

Promoting Interoperability

Improvement Activities

Cost

54.76

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)

100%45 patients5/55-star benchmark: 100%

Breast Cancer Screening

2%94 patients1/55-star benchmark: 93%

Closing the Referral Loop: Receipt of Specialist Report

0%39 patients1/55-star benchmark: 87%

Colorectal Cancer Screening

55%208 patients3/55-star benchmark: 88%

Controlling High Blood Pressure

59%302 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

84%1,752 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

55%464 patients3/55-star benchmark: 100%

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

59%573 patients3/55-star benchmark: 98%

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

23%453 patients1/55-star benchmark: 97%

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

25%154 patients2/55-star benchmark: 61%

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

Patients screened: 93% · 529 patients

91%529 patients

Provide Patients Electronic Access to Their Health Information

95%246 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 4% · 472 patients

Patients totalRate: 13% · 472 patients

11%472 patients3/55-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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers11 claims21 services$6.79 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers45 claims45 services$59.42 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier13 claims13 services$26.77 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 Louis Scarcella's NPI number?

The NPI number for Louis Scarcella is 1821052598. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Louis Scarcella located?

Louis Scarcella practices at 24221 Calle De La Louisa Suite 400, Laguna Hills, CA 92653. The listed phone number is (949) 770-7691.

What is Louis Scarcella's specialty?

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

Is Louis Scarcella enrolled in Medicare?

Yes. Louis Scarcella is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Louis Scarcella was last updated on September 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.