Jiwu Sun, MD
Hospitalist Physician · Mountain View, CA
Jiwu Sun, MD is a hospitalist physician with a practice address in Mountain View, California, and NPI 1619104270, issued on Jun 22, 2009. Check the license (California A106681, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jiwu Sun
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A106681 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1902 Rock St, Mountain View, CA 94043
- Phone
- (831) 636-5711
- Enumerated
- Jun 22, 2009
- Record last updated
- Jan 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101013000497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Verify Jiwu Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A106681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average hospitalist physician in 2024
2,674 Medicare Part D claims for 448 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium246 claims
- Amlodipine Besylate183 claims
- Lisinopril128 claims
- Pantoprazole Sodium77 claims
- Furosemide71 claims
- Metformin Hcl70 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.
2 hospitals and group practices
- Arya Medical Group CorpLos Banos, CA
- Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Jiwu Sun among 3,099 hospitalist physician records in California
Jiwu Sun, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 39% of them.
- NPI issued2009 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1988 · median 2010 among the 2,505 with a school on file
- Record last updated2018 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 hospitalist physician records list a practice address in Mountain View
They are 36 of the 2,467 NPPES records with a practice address in Mountain View, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Mountain View → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Sierra Elsken, MDMountain View, CA 940401912467978
- Grant Hochstein, M.D.Mountain View, CA 940401295080729
- Linda Huynh, MDMountain View, CA 940401336582790
- William LeMountain View, CA 940401134489594
- Joseph Li, MDMountain View, CA 940401891135448
- Randy Liang, D.O.Mountain View, CA 940401346508207
- Jacky Ng, DOMountain View, CA 940401174264196
- Tho Ngo, MDMountain View, CA 940401942646831
Common questions
What is Jiwu Sun, MD's NPI number?
Jiwu Sun, MD's National Provider Identifier (NPI) is 1619104270, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jiwu Sun, MD located?
The NPPES record lists a practice address at 1902 Rock St, Mountain View, CA, 94043. Phone: (831) 636-5711. Providers update this record themselves, so call before visiting.
How can I verify Jiwu Sun, MD's license?
NPPES lists California license number A106681, 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 Jiwu Sun, MD prescribe under Medicare Part D?
In 2024, Jiwu Sun, MD had 2,674 Medicare Part D claims for 448 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.