Mimi Xu
Hospitalist Physician · Newport Beach, CA
Mimi Xu is a hospitalist physician with a practice address in Newport Beach, California, and NPI 1235715335, issued on Mar 20, 2021. Check the license (California A192376, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mimi Xu
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A192376 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hoag Dr, Newport Beach, CA 92663
- Phone
- (949) 873-6181
- Enumerated
- Mar 20, 2021
- Record last updated
- Jul 2, 2024
- Fax
- (949) 873-0418
- Medicare enrollment
- Enrolled (PECOS I20240920003444); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1 Hoag Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hana Abuershaid, M.D.Hospitalist Physician1497164016
- Anatoly Akselrod, PHARMDPharmacist1508733379
- Bahram Alavynejad, MDPulmonary Disease Physician1124071972
- Eric Alcouloumre, M.D.Emergency Medicine Physician1568425312
- Gilda Ameri, MDHospitalist Physician1821477498
- Anna-Maria Angelakis, M.D.Hospitalist Physician1124259890
Verify Mimi Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A192376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average hospitalist physician in 2024
231 Medicare Part D claims for 83 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate20 claims
- Atorvastatin Calcium18 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
- Pacific Hospitalist Associates A Medical CorporationNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mimi Xu among 3,099 hospitalist physician records in California
Mimi Xu 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 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2021 · 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).
63 hospitalist physician records list a practice address in Newport Beach
They are 63 of the 4,414 NPPES records with a practice address in Newport Beach, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Newport Beach → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Hany Bashandy, MDNewport Beach, CA 926631750302378
- Thanhmy Bui, MDNewport Beach, CA 926631396842498
- Weston Chandler, M.D.Newport Beach, CA 926631053350397
- Michael Eilbert, M.DNewport Beach, CA 926631487686069
- William Ensley, M.DNewport Beach, CA 926631376587709
- Patty Huang, M.DNewport Beach, CA 926631528003514
- Joel Katz, M.DNewport Beach, CA 926631881639052
- Janie Liao, M.D.Newport Beach, CA 926631144292335
Common questions
What is Mimi Xu's NPI number?
Mimi Xu's National Provider Identifier (NPI) is 1235715335, issued on Mar 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mimi Xu located?
The NPPES record lists a practice address at 1 Hoag Dr, Newport Beach, CA, 92663. Phone: (949) 873-6181. Providers update this record themselves, so call before visiting.
How can I verify Mimi Xu's license?
NPPES lists California license number A192376, 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 Mimi Xu prescribe under Medicare Part D?
In 2024, Mimi Xu had 231 Medicare Part D claims for 83 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.