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MARSHALL ROY KOON PA-C
NPI 1982939302
Physician Assistant - Medical in Apple Valley, CA

Active since October 04, 2009PECOS Enrolled
94.62/100
CMS Quality Rating
18300 US HIGHWAY 18, APPLE VALLEY, CA 92307(760) 242-2311 Get Directions Write a Review

NPPES record last updated: October 4, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Marshall Roy Koon Pa-c NPPES

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

MARSHALL ROY KOON PA-C (NPI 1982939302) is an individual medical provider in Apple Valley, California, licensed in California (PA20578) and active in the NPI registry since October 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982939302
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMARSHALL ROY KOONCredential: PA-C
Location Address18300 US HIGHWAY 18Apple Valley, CA 92307-2206
Mailing Address18300 Us Highway 18Apple Valley, CA 92307-2206 · (760) 242-2311
Phone(760) 242-2311
Sole ProprietorNo
Enumeration DateOctober 4, 2009
✔ NPI 1982939302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CA · PA20578
18300 US HIGHWAY 18, Apple Valley, CA 92307
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marshall Roy Koon Pa-c 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 2

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.

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.
23 services22 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.
12 services12 patients

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.

ROBERT CRAIG ANDERSON CRNA
Nurse Anesthetist, Certified Registered
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-2311
MELINDA D. LABUGUEN, MD INC.
Pathology (Anatomic Pathology & Clinical Pathology)
18300 US HIGHWAY 18, PATHOLOGY DEPARTMENT
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-8873
ASHWIN JAYAKUMAR DO
Student in an Organized Health Care Education/Training Program
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-2311
JONATHAN PORTILLO AGACNP-BC
Nurse Practitioner (Acute Care)
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-2311
NADIA C MIHALJCIC CRNA
Nurse Anesthetist, Certified Registered
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-8736
ELIZABETH ESPINOZA
Nurse Practitioner (Family)
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-2311
ASHLEY MARIE RUGGE PA-C
Physician Assistant
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-8150
LORI ASHKINE BSN
Registered Nurse
18300 US HIGHWAY 18
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-2311

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 Marshall Koon's NPI number?

The NPI number for Marshall Koon is 1982939302. It was assigned to this individual provider in the NPPES registry on October 4, 2009.

Where is Marshall Koon located?

Marshall Koon practices at 18300 Us Highway 18, Apple Valley, CA 92307. The listed phone number is (760) 242-2311.

What is Marshall Koon's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Marshall Koon enrolled in Medicare?

Yes. Marshall Koon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marshall Koon was last updated on October 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.