ELISA K. YOO M.D.
NPI 1811942493
Dermatology - MOHS-Micrographic Surgery in Los Alamitos, CA


Quality Rating: 97.25 out of 100 score

NPI Status: Active since May 23, 2006

Contact Information

3801 KATELLA AVE
SUITE 414
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 430-9900
Fax: (562) 430-6069

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  • Individual
  • Female
  • Years of Experience 30
  • Dermatology
  • MOHS-Micrographic Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting
  • CLIA Number: 05D1065093
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-25-2025

About ELISA YOO

This page provides the complete NPI Profile along with additional information for Elisa Yoo, a provider established in Los Alamitos, California with a medical specialization in Dermatology, focusing in mohs-micrographic surgery and more than 30 years of experience. She graduated from Perelman School Of Med At The University Of Pennsylvania in 1996. The healthcare provider is registered in the NPI registry with number 1811942493 assigned on May 2006. The practitioner's primary taxonomy code is 207ND0101X with license number A86311 (CA). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1811942493
Provider Name
ELISA K. YOO M.D.
Gender
Female
Entity Type
Individual
Location Address
3801 KATELLA AVE SUITE 414 LOS ALAMITOS, CA 90720
Location Phone
(562) 430-9900
Location Fax
(562) 430-6069
Mailing Address
3801 KATELLA AVE SUITE 414 LOS ALAMITOS, CA 90720
Mailing Phone
(562) 430-9900
Mailing Fax
(562) 430-6069
Medical School Name
PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduation Year
1996
Is Sole Proprietor?
No
Enumeration Date
05-23-2006
Last Update Date
12-30-2016
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dermatology MOHS-Micrographic Surgery

Taxonomy Code
207ND0101X
Type
Allopathic & Osteopathic Physicians
License No.
A86311
License State
CA
Taxonomy Description
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
W19753OTHER (01)CAPTAN
H59297MEDICARE UPIN (02) 
W A86311AMEDICARE PIN (08)CA 

Medicare Participation & PECOS Enrollment Status

Elisa Yoo is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Elisa Yoo is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 648230243

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20041018001047

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)

Aminolevulinic Acid HCL is a medication applied to the skin to treat certain types of skin conditions. It works by making the skin more sensitive to light, which helps to kill abnormal skin cells. The 20% solution is a single dose of 354 mg.

This service was performed 28 times for 21 patients

Application of light with debridement to destroy precancer skin growth

This procedure involves applying a special light source to the skin after removing dead tissue (debridement). The light helps destroy precancerous growths, preventing them from developing into skin cancer. It's a safe and effective method to keep your skin healthy.

This service was performed 21 times for 21 patients

Biopsy of related skin growth, each additional growth

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

This service was performed 46 times for 39 patients

Biopsy of related skin growth, first growth

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

This service was performed 163 times for 136 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

This service was performed 18 times for 16 patients

Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm

This procedure targets and eliminates a cancerous skin growth between 2.1 and 3.0 cm on your trunk, arms, or legs. It's done by applying specific treatments like heat, cold, or medicated creams to destroy the cancer cells, preventing them from spreading.

This service was performed 14 times for 12 patients

Destruction of precancer skin growth, 1 growth

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

This service was performed 163 times for 136 patients

Destruction of precancer skin growth, 15 or more growths

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

This service was performed 211 times for 164 patients

Destruction of precancer skin growth, 2-14 growths

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

This service was performed 527 times for 109 patients

Destruction of skin growth, 1-14 growths

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

This service was performed 312 times for 220 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 816 times for 426 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 387 times for 276 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 115 patients

New patient office or other outpatient visit, 30-44 minutes

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.

This service was performed 77 times for 77 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 107 times for 107 patients

Punch biopsy, first skin growth

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

This service was performed 31 times for 31 patients

Puraply am, per square centimeter

Puraply AM is a type of wound dressing applied to help heal complex wounds. It's made from a special material that helps control bacteria and promote healing. The size of the dressing is measured per square centimeter to fit the wound size.

This service was performed 340 times for 19 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks

This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.

This service was performed 63 times for 54 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks

This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.

This service was performed 63 times for 35 patients

Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks

This procedure involves the removal of a growth from your trunk, arms, or legs. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to identify any abnormalities. This helps in diagnosing and planning further treatment.

This service was performed 18 times for 16 patients

Repair of wound by transferring skin, 30.1-60.0 sq cm

This procedure involves repairing a wound by moving healthy skin from one area of the body to the wound site. The transferred skin, measuring between 30.1-60.0 square cm, aids in healing and reduces scarring.

This service was performed 23 times for 20 patients

Telephone medical discussion with physician, 11-20 minutes

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.

This service was performed 117 times for 106 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $24.09 for a new patient copayment and $19.49 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 90720 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $96.36
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $24.09
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $77.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $19.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 97.25, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance. The provider also has detailed performance information the following quality measures: .

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 97.25 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 95

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 100

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Melanoma: Continuity of Care - Recall System 100% 134
Melanoma: Coordination of Care 100% 71
Patient-Centered Surgical Risk Assessment and Communication 100% 142
Provide Patients Electronic Access to Their Health Information 91% 2679
Tobacco Use and Help with Quitting Among Adolescents 100% 201

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D1065093
Facility Type
Physician Office
Certificate Effective Date
October 26, 2023
Certificate Expiration Date
October 25, 2025
Laboratory Director
ELISA K. YOO, MD
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Elisa Yoo after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1811942493, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 9 → 18 → 9 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 2 + 1 + 1 + 8 + 4 + 4 + 4 + 1 + 8 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1811942493.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Specialist
3801 KATELLA AVE, STE 110
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, STE 401
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, SUITE 401
LOS ALAMITOS, CA 90720
Otolaryngology (Otolaryngic Allergy)
3801 KATELLA AVE, STE 425
LOS ALAMITOS, CA 90720
Pediatrics (Adolescent Medicine)
3801 KATELLA AVE, SUITE 221
LOS ALAMITOS, CA 90720
Internal Medicine (Interventional Cardiology)
3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720
Dermatology (MOHS-Micrographic Surgery)
3801 KATELLA AVE, SUITE 414
LOS ALAMITOS, CA 90720
Specialist
3801 KATELLA AVE, SUITE 425
LOS ALAMITOS, CA 90720
Dermatology
3801 KATELLA AVE, STE 430
LOS ALAMITOS, CA 90720
Internal Medicine
3801 KATELLA AVE, SUITE 330
LOS ALAMITOS, CA 90720
Internal Medicine
3801 KATELLA AVE, SUITE 330
LOS ALAMITOS, CA 90720
Internal Medicine (Interventional Cardiology)
3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720
Family Medicine
3801 KATELLA AVE, #301
LOS ALAMITOS, CA 90720
Surgery (Plastic and Reconstructive Surgery)
3801 KATELLA AVE, SUITE 212
LOS ALAMITOS, CA 90720
Internal Medicine (Critical Care Medicine)
3801 KATELLA AVE, STE 310
LOS ALAMITOS, CA 90720
Allergy & Immunology
3801 KATELLA AVE, 201
LOS ALAMITOS, CA 90720
Psychiatry & Neurology (Geriatric Psychiatry)
3801 KATELLA AVE, 210
LOS ALAMITOS, CA 90720
Specialist
3801 KATELLA AVE, SUITE 101
LOS ALAMITOS, CA 90720
Internal Medicine (Nephrology)
3801 KATELLA AVE, STE 225
LOS ALAMITOS, CA 90720
Obstetrics & Gynecology
3801 KATELLA AVE, SUITE115
LOS ALAMITOS, CA 90720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811942493, enumerated as an "individual" on May 23, 2006.

The provider is located at 3801 KATELLA AVE SUITE 414 LOS ALAMITOS, CA 90720 and the phone number is (562) 430-9900.

Dermatology with taxonomy code 207ND0101X and a focus in MOHS-Micrographic Surgery.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.