DR. CHARLES EUGENE STEWART IV MD
NPI 1669422903
Otolaryngology in Loma Linda, CA

Q: What is Charles Stewart's NPI number?

The NPI number for Charles Stewart is 1669422903. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Charles Stewart's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Stewart was last updated on September 24, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment

76.66/100

CMS Quality Rating

11370 ANDERSON ST, STE 2100, LOMA LINDA, CA 92354(909) 558-8558 Get Directions Write a Review

NPPES record last updated: September 24, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Charles Eugene Stewart Iv Md NPPES

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

DR. CHARLES EUGENE STEWART IV MD (NPI 1669422903) is an individual otolaryngology provider in Loma Linda, California, licensed in California (A78669) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2000).

NPPES Registry Identity

NPI1669422903

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. CHARLES EUGENE STEWART IVCredential: MD

Location Address11370 ANDERSON ST, STE 2100Loma Linda, CA 92354-3450

Mailing Address54701 File NumberLos Angeles, CA 90074-4701 · (909) 558-3111

Phone(909) 558-8558

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2000

Enumeration DateMay 10, 2006

Last NPPES UpdateSeptember 24, 2007

✔ NPI 1669422903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · A78669

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

11370 ANDERSON ST, Loma Linda, CA 92354

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Other Identifiers 3

Medicare PIN00A786690CA

Medicaid00A786690CA

Medicare UPINI58821

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles Eugene Stewart Iv 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 ID4981609930

PECOS Enrollment IDI20060925000543

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.

Medicare Billing Reassignments

Medicare enrollment records show Charles Stewart reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

350 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

Silver State Ear Nose & Throat Ltd

400 mi

Otolaryngology

501 HAMMILL LN
Reno, NV 89511

Reassigned Medicare billing, Nevada enrollment
2 clinicians in this Medicare group

NPI 1275186371 (775) 684-4000

Orohealth Corporation A Non Profit Healthcare System

445 mi

Family Medicine

2767 OLIVE HWY
Oroville, CA 95966

Reassigned Medicare billing, California enrollment
267 clinicians in this Medicare group

NPI 1013933167 (530) 533-8500

Enloe Medical Center

469 mi

Otolaryngology

135 MISSION RANCH BLVD, SUITE 100
Chico, CA 95926

Reassigned Medicare billing, California enrollment
17 clinicians in this Medicare group

NPI 1265863179 (530) 342-2411

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

120 services120 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

65 services55 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

55 services51 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

18 services18 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

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.

76.66/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

58.21

Promoting Interoperability

100

Improvement Activities

Cost

56.9

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.

JESSICA VILLAFRANCO

Social Worker (Clinical)

11370 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-5978

JOHN Y KIM M.D.

Otolaryngology

11370 ANDERSON ST, SUITE 2100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2822

EDMUND YUEY KUN KO M.D.

Urology

11370 ANDERSON ST, SUITE 1100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2830

SNORRI OLAFSSON M.D.

Internal Medicine (Gastroenterology)

11370 ANDERSON ST, STE 3150
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2191

SIGVE K. TONSTAD M.D.

Internal Medicine

11370 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2870

KHASHAYAR DASHTIPOUR M.D.

Psychiatry & Neurology (Neurology)

11370 ANDERSON ST, SUITE 2400
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2880

DOUGLAS DEMING M.D.

Pediatrics (Neonatal-Perinatal Medicine)

11370 ANDERSON ST, STE B-100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2848

ABEL TORRES M.D.

Dermatology (MOHS-Micrographic Surgery)

11370 ANDERSON ST, STE 2600
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2055

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 Stewart's NPI number?

The NPI number for Charles Stewart is 1669422903. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Charles Stewart located?

Charles Stewart practices at 11370 Anderson St Ste 2100, Loma Linda, CA 92354. The listed phone number is (909) 558-8558.

What is Charles Stewart's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Charles Stewart enrolled in Medicare?

Yes. Charles Stewart 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.

Which organizations bill Medicare for Charles Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Stewart reassigns Medicare benefits to 4 organizations: Permanente Medical Group Inc (Santa Clara, CA), Silver State Ear Nose & Throat Ltd (Reno, NV), Orohealth Corporation A Non Profit Healthcare System (Oroville, CA) and Enloe Medical Center (Chico, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Stewart was last updated on September 24, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.