DR. SHERESE PHILLIPS M.D.
NPI 1821232505
Pediatrics in Fontana, CA

Active since April 27, 2009PECOS Enrolled
9961 SIERRA AVE, FONTANA, CA 92335(909) 427-5000 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 2, 2021, May 19, 2016 (2 updates tracked since 2016).

About Dr. Sherese Phillips M.d. NPPES

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

DR. SHERESE PHILLIPS M.D. (NPI 1821232505) is an individual pediatrics provider in Fontana, California, licensed in California (A114977) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821232505
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. SHERESE PHILLIPSCredential: M.D.
Location Address9961 SIERRA AVEFontana, CA 92335-6720
Mailing Address9961 Sierra AveFontana, CA 92335-6720 · (909) 427-5000
Sole ProprietorNo
Enumeration DateApril 27, 2009
Last NPPES UpdateDecember 2, 20212 updates tracked since enumeration
✔ NPI 1821232505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A114977
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
9961 SIERRA AVE, Fontana, CA 92335

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sherese Phillips M.d. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Sherese Phillips reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1952333460 (California)
  • 5,228 clinicians in this Medicare group
Body Imaging
1850 N RIVERSIDE AVE STE 160
Rialto, CA 92376
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group

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

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.

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.

Physical Therapist
9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335
Pediatrics
9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335
Pharmacist
9961 SIERRA AVE
FONTANA, CA 92335
Pathology (Dermatopathology)
9961 SIERRA AVE
FONTANA, CA 92335
Dietitian, Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Anesthetist, Certified Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335

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 Sherese Phillips's NPI number?

The NPI number for Sherese Phillips is 1821232505. It was assigned to this individual provider in the NPPES registry on April 27, 2009.

Where is Sherese Phillips located?

Sherese Phillips practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-5000.

What is Sherese Phillips's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Sherese Phillips enrolled in Medicare?

Yes. Sherese Phillips is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sherese Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sherese Phillips reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Fontana, CA) and Faculty Physicians And Surgeons Of Llusm (Rialto, 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 Sherese Phillips'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 Sherese Phillips was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.