DR. LAY-HWA LOU MD
NPI 1477667285
Internal Medicine in Fremont, CA

Q: What is Lay-hwa Lou's NPI number?

The NPI number for Lay-hwa Lou is 1477667285. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Q: What is Lay-hwa Lou'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 Lay-hwa Lou was last updated on April 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 August 18, 2006PECOS Enrolled

56.48/100

CMS Quality Rating

2333 MOWRY AVE, SUITE 300, FREMONT, CA 94538(510) 796-0222(510) 796-7760 Get Directions Write a Review

NPPES record last updated: April 15, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Lay-hwa Lou Md NPPES

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

DR. LAY-HWA LOU MD (NPI 1477667285) is an individual internal medicine provider in Fremont, California, licensed in California (A53161) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477667285

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. LAY-HWA LOUCredential: MD

Location Address2333 MOWRY AVE, SUITE 300Fremont, CA 94538

Mailing Address2333 Mowry Ave, Suite 300Fremont, CA 94538 · (510) 796-0222 · Fax (510) 796-7760

Phone(510) 796-0222

Fax(510) 796-7760

Sole ProprietorNo

Enumeration DateAugust 18, 2006

Last NPPES UpdateApril 15, 2010

✔ NPI 1477667285 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 · A53161

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.

2333 MOWRY AVE, Fremont, CA 94538

Open in Google Maps ↗

Other Identifiers 1

Medicare UPING24619CA

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. Lay-hwa Lou 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 18

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.

962 services432 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.

165 services165 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.

107 services69 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.

86 services55 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.

86 services57 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

86 services54 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.

84 services53 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.

75 services52 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

72 services49 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

61 services47 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

58 services50 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 services31 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.

32 services25 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

21 services17 patients

Complete x-ray of body bones 77075

A complete x-ray of body bones is a diagnostic procedure that uses radiation to create images of your bones. This test can help detect fractures, infections, or other bone abnormalities. You'll need to stay still during the process to ensure clear images. It's a non-invasive and generally quick procedure.

20 services19 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

20 services19 patients

Physician or allowed practitioner re-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 a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

16 services12 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

56.48/100

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

Individually scored

Quality

71.62

Promoting Interoperability

Improvement Activities

Cost

100

Reported Quality Measures

Adult Major Depressive Disorder (MDD): Suicide Risk Assessment

0%117 patients

Appropriate Treatment for Upper Respiratory Infection (URI)

89%80 patients4/55-star benchmark: 100%

Breast Cancer Screening

0%397 patients1/55-star benchmark: 93%

Cervical Cancer Screening

0%281 patients1/55-star benchmark: 98%

Colorectal Cancer Screening

1%705 patients1/55-star benchmark: 88%

Controlling High Blood Pressure

67%362 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

0%195 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

80%195 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

94%2,268 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

1%708 patients1/55-star benchmark: 100%

Functional Status Assessments for Heart Failure

0%51 patients

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

49%1,163 patients3/55-star benchmark: 98%

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

0%1,096 patients1/55-star benchmark: 97%

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

38%1,482 patients3/55-star benchmark: 61%

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

Patients combinedPopulations: 97% · 1,065 patients

Patients screened: 99% · 1,065 patients

45%38 patients2/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

85%343 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 2% · 741 patients

Patients totalRate: 10% · 741 patients

8%741 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 8

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

26 suppliers163 claims427 services$5.44 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

20 suppliers88 claims113 services$0.92 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

2 suppliers12 claims360 services$4.41 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

2 suppliers14 claims4,465 services$0.30 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

3 suppliers13 claims13 services$35.88 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

4 suppliers38 claims38 services$15.67 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 17

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

DR. SCOTT KRAMER M.D.

Obstetrics & Gynecology (Gynecology)

2333 MOWRY AVE, SUITE 201
FREMONT, CA 94538

Alameda County (510) 796-0510

MICHELLE HTUN M.D

Internal Medicine

2333 MOWRY AVE, SUITE # 300
FREMONT, CA 94538

Alameda County (510) 796-0222

FRANK PETER HOCHMAN M.D.

Family Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 797-2939

DR. PADMAVATHI KUDARAVALLI MD

Internal Medicine

2333 MOWRY AVE, STE 300
FREMONT, CA 94538

Alameda County (510) 284-4100

DR. ASHIT JAIN M.D.

Internal Medicine (Cardiovascular Disease)

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

CALIFORNIA CARDIOVASCULAR

Internal Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

SIMIN SIDDIQ M.D.

Internal Medicine

2333 MOWRY AVE, SUITE 300
FREMONT, CA 94538

Alameda County (510) 796-0222

DR. EDWARD JOHN MEYER M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

2333 MOWRY AVE, STE 300
FREMONT, CA 94538

Alameda County (530) 899-9112

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 Lay-hwa Lou's NPI number?

The NPI number for Lay-hwa Lou is 1477667285. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Lay-hwa Lou located?

Lay-hwa Lou practices at 2333 Mowry Ave Suite 300, Fremont, CA 94538. The listed phone number is (510) 796-0222.

What is Lay-hwa Lou's specialty?

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

Is Lay-hwa Lou enrolled in Medicare?

Yes. Lay-hwa Lou is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lay-hwa Lou was last updated on April 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.