NPPES file of Aug 9, 2026

Shana M. Landau, M.D.

Diagnostic Radiology Physician · Duarte, CA

Shana M. Landau, M.D. is a diagnostic radiology physician with a practice address in Duarte, California, and NPI 1437190915, issued on Jun 8, 2006. Check the license (California C164972, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437190915
Name
Shana M. Landau
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
C164972 CA
036113751 IL
Self-reported in NPPES; status is on the state search
Practice location
1500 E Duarte Road, Duarte, CA 91010
Phone
(626) 256-4673
Enumerated
Jun 8, 2006
Record last updated
Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(626) 408-3911
Medicare enrollment
Enrolled (PECOS I20191002003144); 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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Also registered at 1500 E Duarte Road

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

  1. Idoroenyi Amanam, M.D.Hematology (Internal Medicine) Physician1205257920
  2. Andrew Artz, M.D., M.S.Hematology (Internal Medicine) Physician1306859772
  3. Brian Bowman, N.P.Gerontology Nurse Practitioner1770971418
  4. Ernest Han, MDGynecologic Oncology Physician1639247950
  5. Gregory Idos, M.D.Gastroenterology Physician1770769937
  6. Violetta Karpova, MDDiagnostic Radiology Physician1588981914

Verify Shana M. Landau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C164972
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. City OF Hope Medical FoundationDuarte, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shana M. Landau among 4,500 diagnostic radiology physician records in California

Shana M. Landau, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2000 · median 2004 among the 3,130 with a school on file
  • Record last updated2020 · 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 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 diagnostic radiology physician records list a practice address in Duarte

They are 29 of the 1,287 NPPES records with a practice address in Duarte, and 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. William Boswell, M.D.Duarte, CA 910101548209612
  2. Bihong Chen, MDDuarte, CA 910101790861540
  3. Mark Esensten, MDDuarte, CA 910101346271012
  4. John Hogan, MDDuarte, CA 910101780641480
  5. Alexander Jung, MDDuarte, CA 910101285766006
  6. Eva Luo, MDDuarte, CA 910101649347535
  7. Rizvan Mirza, M.D.Duarte, CA 910101972517084
  8. Julie Ressler, MDDuarte, CA 910101417903147

Common questions

What is Shana M. Landau, M.D.'s NPI number?

Shana M. Landau, M.D.'s National Provider Identifier (NPI) is 1437190915, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shana M. Landau, M.D. located?

The NPPES record lists a practice address at 1500 E Duarte Road, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Shana M. Landau, M.D.'s license?

NPPES lists California license number C164972, 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.

What is Shana M. Landau, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.