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TOTALCARE WALK IN CLINIC INC
NPI 1760689715
Internal Medicine in Chino, CA

Active since July 02, 2007CLIA Certified · 2 labs
13768 ROSWELL AVE, SUITE 118, CHINO, CA 91710(909) 591-8200(866) 701-9305 Get Directions Write a Review

NPPES record last updated: August 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 10, 2020, Apr 18, 2019 (2 updates tracked since 2019).

About Totalcare Walk In Clinic Inc NPPES

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

TOTALCARE WALK IN CLINIC INC (NPI 1760689715) is a healthcare organization registered as an internal medicine in Chino, California and active in the NPI registry since July 2007. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Eastvale, and lists Xiao-ling Zhang, Cfo, as its authorized official.

NPPES Registry Identity

NPI1760689715
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTOTALCARE WALK IN CLINIC INC
Location Address13768 ROSWELL AVE, SUITE 118Chino, CA 91710-1401
Mailing Address13768 Roswell Ave, Suite 118Chino, CA 91710-1401 · (909) 591-8200 · Fax (909) 591-8229
Phone(909) 591-8200
Fax(866) 701-9305
Organization SubpartNo
Authorized OfficialXiao-ling ZhangCfo · (909) 591-8200
Enumeration DateJuly 2, 2007
Last NPPES UpdateAugust 10, 20202 updates tracked since enumeration
NPPES CertifiedAugust 10, 2020
✔ NPI 1760689715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedClinic/Center · Urgent CareTaxonomy 261QU0200X
13768 ROSWELL AVE, Chino, CA 91710
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Secondary Practice Location 1

Location 113334 Limonite Ave Ste 130Eastvale, CA 92880-7257 · Phone (951) 407-1460 · Fax (866) 701-9305

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Totalcare Walk In Clinic Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Totalcare Walk In Clinic Inc, which bills Medicare for the services they deliver. Of these, 8 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner5
Family Practice4
Internal Medicine2

Clinicians, nearest first (11)

Sang Tran, MD
Family Practice
NPI 1578589115
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOS✔ Accepts MedicareSame address
Jiangnan Wang, MD
Internal Medicine
NPI 1689680548
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOS✔ Accepts MedicareSame address
Xiao Ling Zhang, M.D
Internal Medicine
NPI 1780619502
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOS✔ Accepts MedicareSame address
Adrienne Zhao, NP
Nurse Practitioner
NPI 1366175796
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOS✔ Accepts MedicareSame address
Carina Chang, NP
Nurse Practitioner
NPI 1518727205
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOS✔ Accepts MedicareSame address
Hana Chun, NP
Nurse Practitioner
NPI 1548080161
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOSSame address
Xuantong Su
Nurse Practitioner
NPI 1790500205
13768 ROSWELL AVE STE 118
Chino, CA 91710
(951) 866-4339
✔ PECOSSame address
Tin Wing Liu
Nurse Practitioner
NPI 1356152458
13768 ROSWELL AVE STE 118
Chino, CA 91710
(909) 591-8200
✔ PECOSSame address
Lin Hu, MD
Family Practice
NPI 1114193000
4784 PECK RD STE A
El Monte, CA 91732
(626) 205-1555
✔ PECOS18 mi
Agnes Kintanar, M.D.
Family Practice
NPI 1073713962
1292 W MILL ST SUITE 105
San Bernardino, CA 92410
(909) 383-9440
✔ PECOS✔ Accepts Medicare24 mi
Robert Peterson, M.D.
Family Practice
NPI 1104922491
42125 CALLE LAGARTIJA
Temecula, CA 92592
(951) 676-5541
✔ PECOS52 mi

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

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1086625

Totalcare Walk-In Clinic, Inc · Chino, CA
Active · expires Jul 15, 2028
CLIA Number05D1086625
Laboratory TypePhysician Office
Certificate Effective DateJuly 16, 2026
Certificate Expiration DateJuly 15, 2028
Laboratory DirectorJiangnan Wang MD
Laboratory Phone(909) 591-8200
Laboratory LocationTotalcare Walk-In Clinic, Inc13768 Roswell Ave, Ste 118, Chino, CA 91710
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2159549

Totalcare Walk-In Clinic, Inc · Eastvale, CA
Active · expires Dec 18, 2026
CLIA Number05D2159549
Laboratory TypePhysician Office
Certificate Effective DateDecember 19, 2024
Certificate Expiration DateDecember 18, 2026
Laboratory DirectorXiao Ling Zhang
Laboratory Phone(951) 407-1460
Laboratory LocationTotalcare Walk-In Clinic, Inc13334 Limonite Avenue Suite 130, Eastvale, CA 92880
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Totalcare Walk In Clinic Inc's NPI number?

The NPI number for Totalcare Walk In Clinic Inc is 1760689715. It was assigned to this organization in the NPPES registry on July 2, 2007.

Where is Totalcare Walk In Clinic Inc located?

Totalcare Walk In Clinic Inc is located at 13768 Roswell Ave Suite 118, Chino, CA 91710. The listed phone number is (909) 591-8200.

What is Totalcare Walk In Clinic Inc's specialty?

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

Is Totalcare Walk In Clinic Inc enrolled in Medicare?

Yes. Totalcare Walk In Clinic Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Totalcare Walk In Clinic Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 3 Medicare specialties reassign their Medicare billing to Totalcare Walk In Clinic Inc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (5), Family Practice (4) and Internal Medicine (2). Of these, 8 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Totalcare Walk In Clinic Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Totalcare Walk In Clinic Inc was last updated on August 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.