DR. GERALD HUNTER MARKOVITZ M.D.
NPI 1992788426
Specialist in Los Angeles, CA

NPI Status: Active since November 29, 2005

Contact Information

11600 WILSHIRE BLVD
SUITE 512
LOS ANGELES, CA
ZIP 90025
Phone: (310) 473-5067
Fax: (310) 204-1152

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  • Individual
  • Male
  • Years of Experience 35
  • Specialist
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting
  • CLIA Number: 05D0669833
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About GERALD MARKOVITZ

This page provides the complete NPI Profile along with additional information for Gerald Markovitz, a provider established in Los Angeles, California with a medical specialization in Specialist and more than 35 years of experience. He graduated from University Of Pittsburgh School Of Medicine in 1991. The healthcare provider is registered in the NPI registry with number 1992788426 assigned on November 2005. The practitioner's primary taxonomy code is 174400000X with license number G75526 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1992788426
Provider Name
DR. GERALD HUNTER MARKOVITZ M.D.
Gender
Male
Entity Type
Individual
Location Address
11600 WILSHIRE BLVD SUITE 512 LOS ANGELES, CA 90025
Location Phone
(310) 473-5067
Location Fax
(310) 204-1152
Mailing Address
11600 WILSHIRE BLVD SUITE 512 LOS ANGELES, CA 90025
Mailing Phone
(310) 473-5067
Mailing Fax
(310) 204-1152
Medical School Name
UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduation Year
1991
Is Sole Proprietor?
Yes
Enumeration Date
11-29-2005
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.
G75526
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

Gerald Markovitz 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.

Gerald Markovitz 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: 2062431026

    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: I20051121000227

    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 (DE001N)

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

    5 DME suppliers used 13 Medicare Claims 71 Services Paid

  • DME-Other DME (DE001N)

    Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) (HCPCS:E0470)

    2 DME suppliers used 14 Medicare Claims 14 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)

    5 DME suppliers used 33 Medicare Claims 33 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Portable oxygen concentrator, rental (HCPCS:E1392)

    4 DME suppliers used 23 Medicare Claims 23 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.

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 97 times for 61 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 48 times for 39 patients

Follow-up hospital inpatient care per day, typically 15 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 34 times for 26 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 105 times for 57 patients

Follow-up hospital inpatient care per day, typically 35 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 44 times for 26 patients

Management of oxygen chamber therapy

Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.

This service was performed 137 times for 24 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 15 times for 15 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 21 times for 21 patients

Test to determine lung volumes using gas dilution or washout

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

This service was performed 38 times for 38 patients

Test to examine how well the lungs exchange gases

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

This service was performed 38 times for 38 patients

Test to measure expiratory airflow and volume changes before and after medication administration

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

This service was performed 37 times for 37 patients

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Chronic Obstructive Pulmonary Disease (COPD): Spirometry Evaluation 100% 33
Percentage of patients aged 18 years and older with a diagnosis of COPD who had spirometry results documented
Pneumococcal Vaccination Status for Older Adults 100% 129
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

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
05D0669833
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
GERALD H. MARKOVITZ MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Gerald Markovitz 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.

Reviews for DR. GERALD HUNTER MARKOVITZ M.D.

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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 1992788426, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
6
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 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 4 + 8 + 1 + 6 + 4 + 4 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1992788426.

Other Providers at the Same Location


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

Dentist (General Practice)
11600 WILSHIRE BLVD, SUITE 318
LOS ANGELES, CA 90025
Audiologist-Hearing Aid Fitter
11600 WILSHIRE BLVD, STE 114
LOS ANGELES, CA 90025
Physical Therapist
11600 WILSHIRE BLVD, LL14
LOS ANGELES, CA 90025
Dentist
11600 WILSHIRE BLVD, SUITE 308
LOS ANGELES, CA 90025
Physical Therapist
11600 WILSHIRE BLVD, STE LL-14
LOS ANGELES, CA 90025
Chiropractor (Internist)
11600 WILSHIRE BLVD, SUITE 412
LOS ANGELES, CA 90025
Dermatology
11600 WILSHIRE BLVD, #408
LOS ANGELES, CA 90025
Dentist (General Practice)
11600 WILSHIRE BLVD, SUITE 300
LOS ANGELES, CA 90025
Audiologist-Hearing Aid Fitter
11600 WILSHIRE BLVD, SUITE 114
LOS ANGELES, CA 90025
Registered Nurse (Neuroscience)
11600 WILSHIRE BLVD, SUITE 420
LOS ANGELES, CA 90025
Urology
11600 WILSHIRE BLVD, SUITE 508
LOS ANGELES, CA 90025
Urology
11600 WILSHIRE BLVD, SUITE 508
LOS ANGELES, CA 90025
Dermatology
11600 WILSHIRE BLVD, SUITE 406
LOS ANGELES, CA 90025
Physical Medicine & Rehabilitation
11600 WILSHIRE BLVD, #412
LOS ANGELES, CA 90025
Dermatology
11600 WILSHIRE BLVD, SUITE 322
LOS ANGELES, CA 90025
Physical Therapist
11600 WILSHIRE BLVD, 222
LOS ANGELES, CA 90025
Psychiatry & Neurology (Psychiatry)
11600 WILSHIRE BLVD, SUITE 500
LOS ANGELES, CA 90025
Psychiatry & Neurology (Psychiatry)
11600 WILSHIRE BLVD, SUITE 500
LOS ANGELES, CA 90025
Dentist (General Practice)
11600 WILSHIRE BLVD, SUITE 426
LOS ANGELES, CA 90025
Physical Therapist (Orthopedic)
11600 WILSHIRE BLVD, SUITE 222
LOS ANGELES, CA 90025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992788426, enumerated as an "individual" on November 29, 2005.

The provider is located at 11600 WILSHIRE BLVD SUITE 512 LOS ANGELES, CA 90025 and the phone number is (310) 473-5067.

Specialist with taxonomy code 174400000X.