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DR. BENJAMIN JOHN SHANNON-ALFERES DO
NPI 1487146593
Emergency Medicine in West Hills, CA

Active since June 04, 2018PECOS EnrolledAccepts Medicare Assignment
71.27/100
CMS Quality Rating
7300 MEDICAL CENTER DR, WEST HILLS, CA 91307(818) 676-4000 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 12, 2025, May 7, 2024, Feb 16, 2022 and 1 more (4 updates tracked since 2021).

About Dr. Benjamin John Shannon-alferes Do NPPES

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

DR. BENJAMIN JOHN SHANNON-ALFERES DO (NPI 1487146593) is an individual emergency medicine provider in West Hills, California, licensed in California (20A19065) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2018).

NPPES Registry Identity

NPI1487146593
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BENJAMIN JOHN SHANNON-ALFERESCredential: DO
Location Address7300 MEDICAL CENTER DRWest Hills, CA 91307-1902
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(818) 676-4000
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2018
Enumeration DateJune 4, 2018
Last NPPES UpdateAugust 12, 20254 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1487146593 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 · 20A19065
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.
7300 MEDICAL CENTER DR, West Hills, CA 91307
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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. Benjamin John Shannon-alferes Do 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 ID3274930714
PECOS Enrollment IDI20210924002583
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 14

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.

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181
This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.
2,778 services655 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
649 services562 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
626 services511 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.
292 services284 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.
198 services188 patients
Education and training to self measure blood pressure 99473
Education and training to self-measure blood pressure involves teaching you how to use a home blood pressure monitor correctly. You'll learn how to position the cuff, when and how often to take readings, and how to interpret and record the results. This empowers you to manage your health.
78 services74 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91307 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.

71.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality59.55
Improvement Activities40
Cost45.05

Reported Quality Measures

Emergency Medicine: Emergency Department Utilization of CT for Minor Blunt Head Trauma for Patients Aged 18 Years and Older
95%21 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

TAHO MEDICAL GROUP
Hospitalist
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 641-9289
ROSMIR ROSETA VILLALUZ FNP
Nurse Practitioner
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000
PHILIP LUU M.D.
Radiology (Diagnostic Radiology)
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4100
KIARASH ROWHANIAN M.D.
Emergency Medicine
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000
WEST HILLS HOSPITAL
General Acute Care Hospital
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000
AARON JAMESON MUELLER MD
Emergency Medicine
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000
GARY SINDELL M.D.
Emergency Medicine
7300 MEDICAL CENTER DR, EMERGENCY DEPARTMENT
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000
RENUKA THAKUR
Nurse Practitioner (Family)
7300 MEDICAL CENTER DR
WEST HILLS, CA 91307
Los Angeles County (818) 676-4000

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 Benjamin Shannon-alferes's NPI number?

The NPI number for Benjamin Shannon-alferes is 1487146593. It was assigned to this individual provider in the NPPES registry on June 4, 2018.

Where is Benjamin Shannon-alferes located?

Benjamin Shannon-alferes practices at 7300 Medical Center Dr, West Hills, CA 91307. The listed phone number is (818) 676-4000.

What is Benjamin Shannon-alferes's specialty?

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

Is Benjamin Shannon-alferes enrolled in Medicare?

Yes. Benjamin Shannon-alferes 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 Benjamin Shannon-alferes was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.