DR. LAWRENCE GRANT WALDROP M.D.
NPI 1245264969
Specialist in Los Alamitos, CA

NPI Status: Active since July 10, 2006

Contact Information

3791 KATELLA AVE
SUITE 104
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 493-6461
Fax: (562) 489-8489

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  • Individual
  • Male
  • Years of Experience 51
  • Specialist
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 05D0709517
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About LAWRENCE WALDROP

This page provides the complete NPI Profile along with additional information for Lawrence Waldrop, a provider established in Los Alamitos, California with a medical specialization in Specialist and more than 51 years of experience. He graduated from University Of Texas Medical Branch At Galveston in 1975. The healthcare provider is registered in the NPI registry with number 1245264969 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X with license number G53132 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1245264969
Provider Name
DR. LAWRENCE GRANT WALDROP M.D.
Gender
Male
Entity Type
Individual
Location Address
3791 KATELLA AVE SUITE 104 LOS ALAMITOS, CA 90720
Location Phone
(562) 493-6461
Location Fax
(562) 489-8489
Mailing Address
3791 KATELLA AVE SUITE 104 LOS ALAMITOS, CA 90720
Mailing Phone
(562) 493-6461
Mailing Fax
(562) 489-8489
Medical School Name
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduation Year
1975
Is Sole Proprietor?
Yes
Enumeration Date
07-10-2006
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
G53132
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Medicare Participation & PECOS Enrollment Status

Lawrence Waldrop 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.

Lawrence Waldrop 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: 9739215252

    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: I20100408000515

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    5 DME suppliers used 15 Medicare Claims 28 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    4 DME suppliers used 13 Medicare Claims 78 Services Paid

  • DME-Hospital Beds (DB000N)

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

    2 DME suppliers used 14 Medicare Claims 14 Services Paid

  • DME-Other DME (DE000N)

    Transport chair, adult size, patient weight capacity up to and including 300 pounds (HCPCS:E1038)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Oxygen and Supplies (DC002N)

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

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Portable oxygen concentrator, rental (HCPCS:E1392)

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Wheelchairs (DD000N)

    Lightweight wheelchair (HCPCS:K0003)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

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.

Administration of influenza virus vaccine

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.

This service was performed 38 times for 38 patients

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

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.

This service was performed 62 times for 62 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 80 times for 59 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 319 times for 151 patients

Established patient office or other outpatient visit, 40-54 minutes

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.

This service was performed 18 times for 18 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 38 times for 38 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes

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.

This service was performed 20 times for 19 patients

Injection, dexamethasone sodium phosphate, 1 mg

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

This service was performed 116 times for 19 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

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.

This service was performed 22 times for 13 patients

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

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.

This service was performed 12 times for 12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

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.

This service was performed 109 times for 34 patients

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
05D0709517
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
LAWRENCE G. WALDROP
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Lawrence Waldrop to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1245264969, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 4 → 8 2 → 4 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 4 + 6 + 8 + 9 + 1 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1245264969.

Other Providers at the Same Location


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

Obstetrics & Gynecology
3791 KATELLA AVE, #108
LOS ALAMITOS, CA 90720
Psychiatry & Neurology (Neurology)
3791 KATELLA AVE, SUITE 106
LOS ALAMITOS, CA 90720
Psychiatry & Neurology (Neurology)
3791 KATELLA AVE, SUITE106
LOS ALAMITOS, CA 90720
Psychiatry & Neurology (Neurology)
3791 KATELLA AVE, SUITE106
LOS ALAMITOS, CA 90720
Surgery
3791 KATELLA AVE, #201
LOS ALAMITOS, CA 90720
Internal Medicine
3791 KATELLA AVE, SUITE 105
LOS ALAMITOS, CA 90720
Clinical Nurse Specialist
3791 KATELLA AVE, VASCULAR & GENERAL SURGERY ASSOC #201
LOS ALAMITOS, CA 90720
Internal Medicine
3791 KATELLA AVE, SUITE105
LOS ALAMITOS, CA 90720
Obstetrics & Gynecology
3791 KATELLA AVE, STE 209
LOS ALAMITOS, CA 90720
Urology
3791 KATELLA AVE, SUITE 200
LOS ALAMITOS, CA 90720
Urology
3791 KATELLA AVE, SUITE 200
LOS ALAMITOS, CA 90720
Physician Assistant
3791 KATELLA AVE, SUITE 201
LOS ALAMITOS, CA 90720
Nurse Practitioner (Obstetrics & Gynecology)
3791 KATELLA AVE, STE. 108
LOS ALAMITOS, CA 90720
Internal Medicine
3791 KATELLA AVE, STE 104
LOS ALAMITOS, CA 90720
Physician Assistant
3791 KATELLA AVE, VASCULAR & GENERAL SURGERY ASSOC #201
LOS ALAMITOS, CA 90720
Physician Assistant (Surgical)
3791 KATELLA AVE, SUITE 201
LOS ALAMITOS, CA 90720
Family Medicine
3791 KATELLA AVE, 210
LOS ALAMITOS, CA 90720
Surgery
3791 KATELLA AVE, #201 VASCULAR & GENERAL SURGERY ASSOC.
LOS ALAMITOS, CA 90720
Surgery
3791 KATELLA AVE, #201 VASCULAR & GENERAL SURGERY ASSOC
LAS ALAMITOS, CA 90720
Surgery (Vascular Surgery)
3791 KATELLA AVE, #201
LOS ALAMITOS, CA 90720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245264969, enumerated as an "individual" on July 10, 2006.

The provider is located at 3791 KATELLA AVE SUITE 104 LOS ALAMITOS, CA 90720 and the phone number is (562) 493-6461.

Specialist with taxonomy code 174400000X.