NPPES file of Aug 9, 2026

Lida Zhen, M.D.

Gastroenterology Physician · Highland, CA

Lida Zhen, M.D. is a gastroenterology physician with a practice address in Highland, California, and NPI 1942256581, issued on May 25, 2006. Check the license (California C51597, 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
1942256581
Name
Lida Zhen
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
C51597 CA
MD-26458 HI
Self-reported in NPPES; status is on the state search
Practice location
7000 Boulder Ave, Highland, CA 92346
Phone
(909) 862-1191
Enumerated
May 25, 2006
Record last updated
Jan 20, 2026
Fax
(909) 796-4158
Medicaid ID
00C515970 CA
Medicare enrollment
Enrolled (PECOS I20260225004484); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →

Also registered at 7000 Boulder Ave

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

  1. Amin Abdelmeseeh, MDFamily Medicine Physician1699823518
  2. Saad Aldaoud, MDInternal Medicine Physician1992297717
  3. Thaung Aung, M.D.Internal Medicine Physician1598196255
  4. Redentor Bacani, PA-CMedical Physician Assistant1487725693
  5. Brian Beitel, M.D.Obstetrics & Gynecology Physician1710922141
  6. Marian Beshara, M.D.Internal Medicine Physician1982649448

Verify Lida Zhen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C51597    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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65% fewer Medicare Part D claims than the average gastroenterology physician in 2024

286 Medicare Part D claims for 235 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Lida Zhen286
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf82 claims
  2. Gavilyte-G68 claims
  3. Pantoprazole Sodium38 claims
  4. Peg-3350 And Electrolytes32 claims
  5. Gavilyte-C21 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.

Industry payments in 2024: $403.14

3 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lida Zhen$403.14
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospitals and group practices

  1. Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars
  2. Alaska Native Tribal Health ConsortiumAnchorage, AK
  3. Kau HospitalHilo, HI · 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). Star ratings are CMS hospital ratings, not ratings of this provider.

Lida Zhen among 2,140 gastroenterology physician records in California

Lida Zhen, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1982 · median 2002 among the 1,538 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

All 2,140 in California → Every provider in Highland → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mark Gabriel, D.O.Highland, CA 923461982642724
  2. Hin Wah Lee, M.D.Highland, CA 923461568412567
  3. Richard Strong, M.D.Highland, CA 923461295774966
  4. Rita Auro, MDLoma Linda, CA 923501508443938
  5. Keisha Baldeosingh, MDLoma Linda, CA 923501689994329
  6. Matthew Oman, M.D.Loma Linda, CA 923501548461155
  7. Jun Song, MDLoma Linda, CA 923501427674407
  8. Chung-Jyi Tsai, MDLoma Linda, CA 923501871507343

Common questions

What is Lida Zhen, M.D.'s NPI number?

Lida Zhen, M.D.'s National Provider Identifier (NPI) is 1942256581, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lida Zhen, M.D. located?

The NPPES record lists a practice address at 7000 Boulder Ave, Highland, CA, 92346. Phone: (909) 862-1191. Providers update this record themselves, so call before visiting.

How can I verify Lida Zhen, M.D.'s license?

NPPES lists California license number C51597, 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 Lida Zhen, M.D. prescribe under Medicare Part D?

In 2024, Lida Zhen, M.D. had 286 Medicare Part D claims for 235 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.