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DR. RUI-TAO ZHANG M.D.
NPI 1669893384
Internal Medicine in Loma Linda, CA

Active since December 23, 2013PECOS EnrolledAccepts Medicare Assignment
LOMA LINDA UNIVERSITY, 11234 ANDERSON ST, MC-1590, LOMA LINDA, CA 92354(909) 558-4884(909) 558-0428 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Rui-tao Zhang M.d. NPPES

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

DR. RUI-TAO ZHANG M.D. (NPI 1669893384) is an individual internal medicine provider in Loma Linda, California, licensed in California (A128943) and active in the NPI registry since December 2013. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2012).

NPPES Registry Identity

NPI1669893384
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RUI-TAO ZHANGCredential: M.D.
Location AddressLOMA LINDA UNIVERSITY, 11234 ANDERSON ST, MC-1590Loma Linda, CA 92354-2741
Mailing AddressLoma Linda University, 11234 Anderson St, Mc-1590Loma Linda, CA 92354-2741 · (909) 558-4884 · Fax (909) 558-0428
Phone(909) 558-4884
Fax(909) 558-0428
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2012
Enumeration DateDecember 23, 2013
Last NPPES UpdateDecember 22, 2021
NPPES CertifiedDecember 22, 2021
✔ NPI 1669893384 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 · A128943
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.
LOMA LINDA UNIVERSITY, Loma Linda, CA 92354
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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. Rui-tao Zhang M.d. 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 ID4688986763
PECOS Enrollment IDI20150701002587
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 Rui-tao Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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 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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NANCY A BAKER MD
Psychiatry & Neurology (Neurology)
LOMA LINDA UNIVERSITY, 11234 ANDERSON STREET
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4907
MUSTAFA ADNAN COBANOGLU MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
LOMA LINDA UNIVERSITY, 11175 CAMPUS STREET SUITE 21123
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4354

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 Rui-tao Zhang's NPI number?

The NPI number for Rui-tao Zhang is 1669893384. It was assigned to this individual provider in the NPPES registry on December 23, 2013.

Where is Rui-tao Zhang located?

Rui-tao Zhang practices at Loma Linda University 11234 Anderson St, Mc-1590, Loma Linda, CA 92354. The listed phone number is (909) 558-4884.

What is Rui-tao Zhang's specialty?

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

Is Rui-tao Zhang enrolled in Medicare?

Yes. Rui-tao Zhang 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 organization bills Medicare for Rui-tao Zhang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rui-tao Zhang reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The 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 Rui-tao Zhang'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 Rui-tao Zhang was last updated on December 22, 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.