GREGORY BION BIERER MD
NPI 1154489433
Internal Medicine - Pulmonary Disease in Santa Monica, CA

Q: What is Gregory Bierer's NPI number?

The NPI number for Gregory Bierer is 1154489433. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Q: What is Gregory Bierer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Bierer was last updated on January 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 December 05, 2006PECOS EnrolledAccepts Medicare Assignment

86.1/100

CMS Quality Rating

1223 16TH ST, SUITE 3400, SANTA MONICA, CA 90404(310) 449-0939(424) 259-7790 Get Directions Write a Review

NPPES record last updated: January 7, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Gregory Bion Bierer Md NPPES

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

GREGORY BION BIERER MD (NPI 1154489433) is an individual pulmonary disease provider in Santa Monica, California, licensed in California (A77403) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2000).

NPPES Registry Identity

NPI1154489433

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameGREGORY BION BIERERCredential: MD

Location Address1223 16TH ST, SUITE 3400Santa Monica, CA 90404-1217

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631

Phone(310) 449-0939

Fax(424) 259-7790

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2000

Enumeration DateDecember 5, 2006

Last NPPES UpdateJanuary 7, 2020

✔ NPI 1154489433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A77403

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License A77403 (CA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A77403 (CA)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License A77403 (CA)

1223 16TH ST, Santa Monica, CA 90404

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Other Identifiers 1

Medicaid1154489433CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Bion Bierer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062516412

PECOS Enrollment IDI20070326000114

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 17

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 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.

307 services205 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

276 services254 patients

Test to examine how well the lungs exchange gases 94729

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.

192 services189 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

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.

130 services130 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

126 services125 patients

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.

118 services73 patients

Therapy procedure using a positive pressure ventilator 94660

A positive pressure ventilator is a device that helps with breathing. It pushes air into the lungs to assist in maintaining oxygen levels. This can be essential for patients with conditions that affect their ability to breathe independently. It's non-invasive and comfortable.

71 services56 patients

Test to measure expiratory airflow and volume 94010

50 services48 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

31 services30 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

25 services25 patients

Test to examine how well the lungs exchange gases 94729

24 services23 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

18 services18 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

17 services17 patients

Test to determine lung volumes using sensors 94726

17 services16 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

17 services14 patients

Test for exercise-induced lung stress 94618

15 services14 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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.

86.1/100

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

Scored as part of a group practice

Quality

82.93

Promoting Interoperability

100

Improvement Activities

Cost

66.73

Referred Medical Equipment & Supplies CMS DME claims 22

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

Tubing with integrated heating element for use with positive airway pressure device A4604