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DR. CHARLES G. SILAS JR. MD
NPI 1245431121
Emergency Medicine in Fontana, CA

Active since May 30, 2007PECOS Enrolled
80.47/100
CMS Quality Rating
9961 SIERRA AVE, FONTANA, CA 92335(909) 427-3910 Get Directions Write a Review

NPPES record last updated: December 5, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Charles G. Silas Jr. Md NPPES

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

DR. CHARLES G. SILAS JR. MD (NPI 1245431121) is an individual emergency medicine provider in Fontana, California, licensed in California (G70455) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245431121
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHARLES G. SILAS JR.Credential: MD
Location Address9961 SIERRA AVEFontana, CA 92335-6720
Mailing Address1436 W Wabash StRialto, CA 92376-2318 · (909) 875-8006
Phone(909) 427-3910
Sole ProprietorNo
Enumeration DateMay 30, 2007
Last NPPES UpdateDecember 5, 2007
✔ NPI 1245431121 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 · G70455
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.
9961 SIERRA AVE, Fontana, CA 92335
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Other Identifiers 2

Medicare UPINH67335
Medicaid00G704550CA

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. Charles G. Silas Jr. Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92335 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

80.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.96
Promoting Interoperability95
Improvement Activities40
Cost33.92

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.

SHEILA ANN VANALLEN PT
Physical Therapist
9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335
San Bernardino County (909) 427-7727
MR. JAMES DAVID KILLEEN III M.D.
Pediatrics
9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335
San Bernardino County (909) 427-6960
MR. DHIRESH N PATEL RPH
Pharmacist
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 302-8018
MS. STELLA MARIS CARLOS R.D.
Dietitian, Registered
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 472-7185
KADETTE KELLY CRNA
Nurse Anesthetist, Certified Registered
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
YAEL STEINFELD NP
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
SCOTT SWARTZ NP
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
ROBERT M. THEAL MD
Family Medicine
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910

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 Charles Silas's NPI number?

The NPI number for Charles Silas is 1245431121. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Charles Silas located?

Charles Silas practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-3910.

What is Charles Silas's specialty?

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

Is Charles Silas enrolled in Medicare?

Yes. Charles Silas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Charles Silas was last updated on December 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.