DR. STEPHEN GREGORY KEFALAS M.D.
NPI 1285665422
Emergency Medicine in West Hollywood, CA

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
87.67/100
CMS Quality Rating
8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(310) 423-8753 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Stephen Gregory Kefalas M.d. NPPES

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

DR. STEPHEN GREGORY KEFALAS M.D. (NPI 1285665422) is an individual emergency medicine provider in West Hollywood, California, licensed in New York (239275) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2002).

NPPES Registry Identity

NPI1285665422
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEPHEN GREGORY KEFALASCredential: M.D.
Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804
Mailing Address4042 Coldwater Canyon AveStudio City, CA 91604-2353 · (917) 363-7041
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2002
Enumeration DateJuly 5, 2006
Last NPPES UpdateDecember 21, 2021
NPPES CertifiedDecember 15, 2021
NPI 1285665422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in NY · 239275 Licensed in CA · A109465
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.

8700 BEVERLY BLVD, West Hollywood, CA 90048

Other Identifiers 1

MedicaidA02973357NY

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

Dr. Stephen Gregory Kefalas M.d. 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 ID9335144005
PECOS Enrollment IDI20101008000721
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 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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.
442 services421 patients
Emergency department visit for life threatening or functioning severity 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.
332 services331 patients
Emergency department visit for problem of high severity 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.
203 services201 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.
90 services89 patients
Emergency department visit for problem of moderate severity 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
40 services40 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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.

87.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.86
Promoting Interoperability99
Improvement Activities40
Cost49.42

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.

Specialist
8700 BEVERLY BLVD, RM 8725
WEST HOLLYWOOD, CA 90048
Specialist
8700 BEVERLY BLVD, RM 8725
WEST HOLLYWOOD, CA 90048
Anesthesiology
8700 BEVERLY BLVD, # 8211
WEST HOLLYWOOD, CA 90048
Specialist
8700 BEVERLY BLVD, ROOM 8725
WEST HOLLYWOOD, CA 90048
Specialist
8700 BEVERLY BLVD, ROOM 8725
WEST HOLLYWOOD, CA 90048
Specialist
8700 BEVERLY BLVD, ROOM 8725
WEST HOLLYWOOD, CA 90048
Specialist
8700 BEVERLY BLVD, ROOM 8725
WEST HOLLYWOOD, CA 90048
Anesthesiology
8700 BEVERLY BLVD, SUITE 8211
WEST HOLLYWOOD, CA 90048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285665422, enumerated as an "individual" on July 05, 2006.

The provider is located at 8700 BEVERLY BLVD WEST HOLLYWOOD, CA 90048 and the phone number is (310) 423-8753.

Emergency Medicine with taxonomy code 207P00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.