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I-HSIANG SHU MD
NPI 1790218774
Internal Medicine in Cerritos, CA

Active since April 06, 2017PECOS EnrolledAccepts Medicare Assignment
10820 183RD ST, CERRITOS, CA 90703(626) 817-2094 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 27, 2026, Dec 2, 2021, May 16, 2020 (3 updates tracked since 2020).

About I-hsiang Shu Md NPPES

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

I-HSIANG SHU MD (NPI 1790218774) is an individual internal medicine provider in Cerritos, California, licensed in California (A157198) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1790218774
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameI-HSIANG SHUCredential: MD
Location Address10820 183RD STCerritos, CA 90703-8010
Mailing Address10820 183rd StCerritos, CA 90703-8010 · (626) 817-2094
Phone(626) 817-2094
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 6, 2017
Last NPPES UpdateJuly 27, 20263 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1790218774 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 · A157198
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.
10820 183RD ST, Cerritos, CA 90703
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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

I-hsiang Shu Md 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 ID941549919
PECOS Enrollment IDI20190830000918
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 I-hsiang Shu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
3.1 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000

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 90703 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 10

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

DR. LYNDA TRAN NGO M.D.
Internal Medicine
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (800) 823-4040
SHAWN WRIGHT PFENDLER MHA
Technician, Health Information
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (562) 653-5101
DR. MAYUR PATEL
Pharmacist
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (562) 653-5212
KERRY KAWANO R.PH.
Pharmacist
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (562) 653-5212
JOYCE IWEN CHOU M.D.
Internal Medicine
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (800) 823-4040
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
10820 183RD ST, FL 1
CERRITOS, CA 90703
Los Angeles County (844) 359-6405
DENISE PARK MD
Internal Medicine
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (562) 653-5032
JOYCE HATANAKA FONG
Pharmacist
10820 183RD ST
CERRITOS, CA 90703
Los Angeles County (562) 653-5212

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 I-hsiang Shu's NPI number?

The NPI number for I-hsiang Shu is 1790218774. It was assigned to this individual provider in the NPPES registry on April 6, 2017.

Where is I-hsiang Shu located?

I-hsiang Shu practices at 10820 183rd St, Cerritos, CA 90703. The listed phone number is (626) 817-2094.

What is I-hsiang Shu's specialty?

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

Is I-hsiang Shu enrolled in Medicare?

Yes. I-hsiang Shu 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 I-hsiang Shu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), I-hsiang Shu reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 I-hsiang Shu'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 I-hsiang Shu was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.