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YI GUAN
NPI 1366634156
Hospitalist in Loma Linda, CA

Active since August 15, 2007PECOS EnrolledAccepts Medicare Assignment
11234 ANDERSON ST, LLUMC, HOUSE STAFF OFFICE CP 21005, LOMA LINDA, CA 92354(909) 558-8131 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 3, 2025, Dec 6, 2021 (2 updates tracked since 2021).

About Yi Guan NPPES

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

YI GUAN (NPI 1366634156) is an individual hospitalist provider in Loma Linda, California, licensed in California (A102084) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1366634156
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameYI GUAN
Location Address11234 ANDERSON ST, LLUMC, HOUSE STAFF OFFICE CP 21005Loma Linda, CA 92354-2804
Mailing Address11234 Anderson St, Llumc, House Staff Office Cp 21005Loma Linda, CA 92354-2804
Phone(909) 558-8131
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateAugust 15, 2007
Last NPPES UpdateMarch 3, 20252 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1366634156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A102084
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

11234 ANDERSON ST, Loma Linda, CA 92354
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yi Guan 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 ID5597826602
PECOS Enrollment IDI20081208000634
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 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
$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.

LEIGH ANN BALLOU PA-C
Physician Assistant (Surgical)
11234 ANDERSON ST, RM 2562B
LOMA LINDA, CA 92354
San Bernardino County (909) 558-6386
DR. TOMMY YOUNGHO KIM M.D.
Pediatrics (Pediatric Emergency Medicine)
11234 ANDERSON ST, A 108
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4000
DR. GARY Y YANG MD
Radiology (Radiation Oncology)
11234 ANDERSON ST, SUITE B-121
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4244
MRS. JEANNINE SHARKEY N.P.
Nurse Practitioner (Pediatrics)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4000
TERESA SERNA-FONSECA
Nurse Practitioner (Pediatrics)
11234 ANDERSON ST, MC 5700H
LOMA LINDA, CA 92354
San Bernardino County (909) 558-8393
LOMA LINDA UNIVERSITY CARDIOLOGY MEDICAL GROUP, INC.
Internal Medicine (Cardiovascular Disease)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4200
JANELLE MARIE WARREN NP
Nurse Practitioner
11234 ANDERSON ST, ROOM 6700H
LOMA LINDA, CA 92354
San Bernardino County (909) 558-8514
LOMA LINDA UNIV ANESTHESIOLOGY MEDICAL GROUP INC
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4475

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 Yi Guan's NPI number?

The NPI number for Yi Guan is 1366634156. It was assigned to this individual provider in the NPPES registry on August 15, 2007.

Where is Yi Guan located?

Yi Guan practices at 11234 Anderson St Llumc, House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-8131.

What is Yi Guan's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Yi Guan enrolled in Medicare?

Yes. Yi Guan 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.

When was this NPI record last updated?

The NPPES record for Yi Guan was last updated on March 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.