JOHN MARK SAWYER MD
NPI 1174082176
Emergency Medicine in Los Angeles, CA

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
924 WESTWOOD BLVD STE 300, LOS ANGELES, CA 90024(310) 794-0785 Get Directions Write a Review

NPPES record last updated: March 20, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 15, 2022, Aug 28, 2020, Mar 19, 2019 (3 updates tracked since 2019).

About John Mark Sawyer Md NPPES

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

JOHN MARK SAWYER MD (NPI 1174082176) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A178772) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Medical University Of South Carolina College Of Medicine (2019).

NPPES Registry Identity

NPI1174082176
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN MARK SAWYERCredential: MD
Location Address924 WESTWOOD BLVD STE 300Los Angeles, CA 90024-2924
Mailing Address924 Westwood Blvd Ste 300Los Angeles, CA 90024-2924
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateMarch 20, 20243 updates tracked since enumeration
NPPES CertifiedMarch 20, 2024
NPI 1174082176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A178772
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.

924 WESTWOOD BLVD STE 300, Los Angeles, CA 90024

Secondary Practice Location 1

Location 12228 Baxter StLos Angeles, CA 90039-3602 · Phone (803) 206-5526

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

John Mark Sawyer 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 ID9234546938
PECOS Enrollment IDI20230207003621
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 5

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.
308 services298 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.
243 services234 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.
151 services149 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.
67 services67 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90024 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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

Other Providers at the Same Location NPPES 20

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

Student in an Organized Health Care Education/Training Program
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Student in an Organized Health Care Education/Training Program
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024
Emergency Medicine
924 WESTWOOD BLVD STE 300
LOS ANGELES, CA 90024

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 John Sawyer's NPI number?

The NPI number for John Sawyer is 1174082176. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is John Sawyer located?

John Sawyer practices at 924 Westwood Blvd Ste 300, Los Angeles, CA 90024. The listed phone number is (310) 794-0785.

What is John Sawyer's specialty?

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

Is John Sawyer enrolled in Medicare?

Yes. John Sawyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for John Sawyer was last updated on March 20, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.