Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYLVIA LI DO
NPI 1437846466
Internal Medicine in Colton, CA

Q: What is Sylvia Li's NPI number?

The NPI number for Sylvia Li is 1437846466. It was assigned to this individual provider in the NPPES registry on April 19, 2023.

Q: What is Sylvia Li's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Sylvia Li was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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 April 19, 2023PECOS Enrolled

400 N PEPPER AVE, COLTON, CA 92324(909) 580-1000 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 9, 2026, Aug 4, 2026 (2 updates tracked since 2026).

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About Sylvia Li Do NPPES

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

SYLVIA LI DO (NPI 1437846466) is an individual internal medicine provider in Colton, California, licensed in California (20A24946) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1437846466

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSYLVIA LICredential: DO

Location Address400 N PEPPER AVEColton, CA 92324-1801

Mailing Address1115 S Grove Ave Ste 102Ontario, CA 91761-3468 · (626) 315-1383

Phone(909) 580-1000

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateApril 19, 2023

Last NPPES UpdateOctober 9, 20262 updates tracked since enumeration

NPPES CertifiedOctober 9, 2026

✔ NPI 1437846466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 20A24946

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

400 N PEPPER AVE, Colton, CA 92324

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Secondary Practice Locations 3

Location 13440 E La Palma AveAnaheim, CA 92806-2020 · Phone (833) 574-2273

Location 24445 Magnolia AveRiverside, CA 92501-4135 · Phone (951) 788-3000

Location 36640 Alton PkwyIrvine, CA 92618-3734 · Phone (833) 574-2273

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sylvia Li Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547729584

PECOS Enrollment IDI20260828003638

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 Reassignment

Medicare enrollment records show Sylvia Li reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Healthcare Partners,, Inc

7.0 mi

Hospitalist

4445 MAGNOLIA AVE
Riverside, CA 92501

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

NPI 1699157701 (714) 676-3880

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 92324 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

$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.

CATHERINE J CALHOUN

Licensed Psychiatric Technician