I-Hsiang Shu, MD
Internal Medicine Physician · Cerritos, CA
I-Hsiang Shu, MD is an internal medicine physician with a practice address in Cerritos, California, and NPI 1790218774, issued on Apr 6, 2017. Check the license (California A157198, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- I-Hsiang Shu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A157198 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10820 183RD St, Cerritos, CA 90703
- Phone
- (626) 817-2094
- Enumerated
- Apr 6, 2017
- Entity
- Type 1 · individual
Also registered at 10820 183RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Chou, M.D.Student in an Organized Health Care Education/Training Program1497017503
- Joyce Hatanaka FongPharmacist1801335302
- Kerry Kawano, R.PH.Pharmacist1407395908
- Lynda Ngo, M.D.Student in an Organized Health Care Education/Training Program1053732636
- Denise Park, MDInternal Medicine Physician1518015338
- Mayur PatelPharmacist1265971923
Verify I-Hsiang Shu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
5,631 Medicare Part D claims for 681 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 81 claims were for opioids.
Most prescribed
- Atorvastatin Calcium566 claims
- Amlodipine Besylate319 claims
- Losartan Potassium266 claims
- Levothyroxine Sodium211 claims
- Lisinopril191 claims
- Rosuvastatin Calcium152 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
21 internal medicine physician records list a Cerritos practice address
They are 21 of the 1,842 NPPES records with a Cerritos practice address, and 20,403 internal medicine physician records in California.
All 21 in Cerritos → All 20,403 in California → Every provider in Cerritos →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is I-Hsiang Shu, MD's NPI number?
I-Hsiang Shu, MD's National Provider Identifier (NPI) is 1790218774, issued on Apr 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is I-Hsiang Shu, MD located?
The NPPES record lists a practice address at 10820 183RD St, Cerritos, CA, 90703. Phone: (626) 817-2094. Providers update this record themselves, so call before visiting.
How can I verify I-Hsiang Shu, MD's license?
NPPES lists California license number A157198, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does I-Hsiang Shu, MD prescribe under Medicare Part D?
In 2024, I-Hsiang Shu, MD had 5,631 Medicare Part D claims for 681 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.