NPPES file of Aug 9, 2026

Xinxia Zhao

Internal Medicine Physician · Los Angeles, CA

Xinxia Zhao is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1700931219, issued on Jan 24, 2007. Check the license (California NP16666, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700931219
Name
Xinxia Zhao
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
NP16666 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 N State St, Los Angeles, CA 90033
Phone
(323) 226-2170
Enumerated
Jan 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(323) 226-5760
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1200 N State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
  2. Danna Abdel-Khader, MDInternal Medicine Physician1780977827
  3. Terri Leigh Abe, MDInternal Medicine Physician1881897569
  4. Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
  5. Zachary AbelsonObstetrics & Gynecology Physician1689237414
  6. Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484

Verify Xinxia Zhao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license NP16666
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

77 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Xinxia Zhao77
  2. Specialty average3,176

Most prescribed

  1. Warfarin Sodium68 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.

Xinxia Zhao among 17,696 internal medicine physician records in California

Xinxia Zhao is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ron Ben-Ari, M.D.Los Angeles, CA 900331275562431
  2. John Brodhead, M.D.Los Angeles, CA 900331760424824
  3. Bharat Chaudry, M.D.Los Angeles, CA 900331194754374
  4. William Hardy, M.D.Los Angeles, CA 900331760410518
  5. Howard Hodis, M.D.Los Angeles, CA 900331407894009
  6. Eric Hsieh, M.D.Los Angeles, CA 900331811941974
  7. Jenny Hwang, M.D.Los Angeles, CA 900331578548764
  8. Michael Karp, M.D.Los Angeles, CA 900331336177229

Common questions

What is Xinxia Zhao's NPI number?

Xinxia Zhao's National Provider Identifier (NPI) is 1700931219, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Xinxia Zhao located?

The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-2170. Providers update this record themselves, so call before visiting.

How can I verify Xinxia Zhao's license?

NPPES lists California license number NP16666, 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 Xinxia Zhao prescribe under Medicare Part D?

In 2024, Xinxia Zhao had 77 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.