Julia Shih, DO
Hospitalist Physician · Fontana, CA
Julia Shih, DO is a hospitalist physician with a practice address in Fontana, California, and NPI 1871121517, issued on Mar 30, 2020. Check the license (California 20A19787, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Julia Shih
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A19787 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17234 Valley Boulevard, Fontana, CA 92335
- Phone
- (909) 427-4128
- Enumerated
- Mar 30, 2020
- Record last updated
- Mar 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20231101001155); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2020
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 17234 Valley Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julia Shih in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average hospitalist physician in 2024
314 Medicare Part D claims for 129 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Furosemide20 claims
- Bisoprolol Fumarate18 claims
- Hydrocodone-Acetaminophen14 claims
- Atorvastatin Calcium13 claims
- Pradaxa13 claims
- Clopidogrel12 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia Shih among 3,099 hospitalist physician records in California
Julia Shih, DO 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2020 · median 2010 among the 2,505 with a school on file
- Record last updated2024 · 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).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Fontana → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Andrew Cha, D.OFontana, CA 923351508832940
- Seonah Cho, MDFontana, CA 923351841495892
- Tania Choudhary, MDFontana, CA 923351508354176
- James Dinh, M.D.Fontana, CA 923351104915081
- Thoyaja Koritala, M.D.Fontana, CA 923351528354024
- Deena Patel, D.O.Fontana, CA 923351437594959
- Fouzia Usman, M.D.Fontana, CA 923351265966873
- Lorien Wallace, DOFontana, CA 923351518220722
Common questions
What is Julia Shih, DO's NPI number?
Julia Shih, DO's National Provider Identifier (NPI) is 1871121517, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Julia Shih, DO located?
The NPPES record lists a practice address at 17234 Valley Boulevard, Fontana, CA, 92335. Phone: (909) 427-4128. Providers update this record themselves, so call before visiting.
How can I verify Julia Shih, DO's license?
NPPES lists California license number 20A19787, 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 Julia Shih, DO prescribe under Medicare Part D?
In 2024, Julia Shih, DO had 314 Medicare Part D claims for 129 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.