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DR. GREGORY SCOTT BREWSTER M.D.
NPI 1639164007
Emergency Medicine in Manhattan Beach, CA

Active since September 13, 2005PECOS Enrolled
90/100
CMS Quality Rating
111 N SEPULVEDA BLVD STE 210, MANHATTAN BEACH, CA 90266(310) 379-2134(310) 379-4856 Get Directions Write a Review

NPPES record last updated: August 13, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gregory Scott Brewster M.d. NPPES

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

DR. GREGORY SCOTT BREWSTER M.D. (NPI 1639164007) is an individual emergency medicine provider in Manhattan Beach, California, licensed in California (A61173) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639164007
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. GREGORY SCOTT BREWSTERCredential: M.D.
Location Address111 N SEPULVEDA BLVD STE 210Manhattan Beach, CA 90266-6849
Mailing AddressPo Box 661748Arcadia, CA 91066-1748 · (626) 447-0296 · Fax (626) 447-6057
Phone(310) 379-2134
Fax(310) 379-4856
Sole ProprietorNo
Enumeration DateSeptember 13, 2005
Last NPPES UpdateAugust 13, 2012
✔ NPI 1639164007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A61173
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License A61173 (CA)
111 N SEPULVEDA BLVD STE 210, Manhattan Beach, CA 90266
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Other Identifiers 4

Medicaid00A611730CA
Medicare PINWA61173HCA
Medicare PINWA61173FCA
Medicare UPING88238CA

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. Gregory Scott Brewster M.d. 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 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
108 services101 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
78 services77 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
60 services60 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
39 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90266 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

90/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.81
Improvement Activities40

Other Providers at the Same Location NPPES 12

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

ALEXANDER PANIS NP
Nurse Practitioner (Family)
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (424) 241-1557
WAYMAN D. MERRILL III MD
Family Medicine
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 379-2134
MS. MICHELA MALETIS PA-C
Physician Assistant
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 379-2134
DR. JENNIFER LYNNE STEVER D.O.
Emergency Medicine
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 379-2134
MICHELLE CHIN
Physician Assistant (Medical)
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 379-2134
BRIAN KO PA-C
Physician Assistant (Medical)
111 N SEPULVEDA BLVD STE 210
MANHATTAN BCH, CA 90266
Los Angeles County (310) 379-2134
DR. CARY WILLIAM GALLARDO M.D.
Emergency Medicine
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 379-2134
COAST PAIN MANAGEMENT, PC
Anesthesiology
111 N SEPULVEDA BLVD STE 210
MANHATTAN BEACH, CA 90266
Los Angeles County (310) 698-5451

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 Gregory Brewster's NPI number?

The NPI number for Gregory Brewster is 1639164007. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Gregory Brewster located?

Gregory Brewster practices at 111 N Sepulveda Blvd Ste 210, Manhattan Beach, CA 90266. The listed phone number is (310) 379-2134.

What is Gregory Brewster's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gregory Brewster enrolled in Medicare?

Yes. Gregory Brewster is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Brewster was last updated on August 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.