Yi Guan
Hospitalist Physician · Loma Linda, CA
Yi Guan is a hospitalist physician with a practice address in Loma Linda, California, and NPI 1366634156, issued on Aug 15, 2007. Check the license (California A102084, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yi Guan
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A102084 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-8131
- Enumerated
- Aug 15, 2007
- Record last updated
- Mar 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20081208000634); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 11234 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
- Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774
Verify Yi Guan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average hospitalist physician in 2024
399 Medicare Part D claims for 157 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
- Furosemide31 claims
- Metoprolol Tartrate20 claims
- Ciprofloxacin Hcl17 claims
- Eliquis17 claims
- Azithromycin15 claims
- Cefpodoxime Proxetil13 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 GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yi Guan among 3,099 hospitalist physician records in California
Yi Guan 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 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 66% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1992 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 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 Loma Linda → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kaveh Brumand, M.D.Loma Linda, CA 923541740589290
- Yuan Cao, M.D.Loma Linda, CA 923541467815308
- Allen DangLoma Linda, CA 923541487099628
- George HafzallaLoma Linda, CA 923541912640103
- Heather Hofmann, M.D.Loma Linda, CA 923541568729861
- Hana Kazbour, M.D.Loma Linda, CA 923541326468166
- Hoai Trinh Khong, MDLoma Linda, CA 923541922461946
- Bobae Kim, MDLoma Linda, CA 923541669033411
Common questions
What is Yi Guan's NPI number?
Yi Guan's National Provider Identifier (NPI) is 1366634156, issued on Aug 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yi Guan located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-8131. Providers update this record themselves, so call before visiting.
How can I verify Yi Guan's license?
NPPES lists California license number A102084, 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 Yi Guan prescribe under Medicare Part D?
In 2024, Yi Guan had 399 Medicare Part D claims for 157 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.