NPPES file of Aug 9, 2026

Henry Z. Montes, M.D.

Radiation Oncology Physician · Oxnard, CA

Henry Z. Montes, M.D. is a radiation oncology physician with a practice address in Oxnard, California, and NPI 1215992193, issued on Apr 20, 2006. Check the license (California A53228, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215992193
Name
Henry Z. Montes
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A53228 CA
Self-reported in NPPES; status is on the state search
Practice location
1700 N Rose Ave, Oxnard, CA 93030
Phone
(805) 988-2657
Enumerated
Apr 20, 2006
Record last updated
Feb 15, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(805) 981-4456
Medicaid ID
OOA532280 CA
Medicare enrollment
Enrolled (PECOS I20031118000714); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1988
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 1700 N Rose Ave

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

  1. Cary Alberstone, MDNeurological Surgery Physician1346253689
  2. Jaime Arana, MDSurgery Physician1720240716
  3. Lisa Babashoff, M.D.Surgery Physician1568465649
  4. Timothy Bryant, M.D.Surgery Physician1164425245
  5. Kevin Chang, MDHematology & Oncology Physician1649219452
  6. Chirag Dalsania, M.D.Hematology & Oncology Physician1215026380

Verify Henry Z. Montes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A53228
    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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37% fewer Medicare Part D claims than the average radiation oncology physician in 2024

85 Medicare Part D claims for 43 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Henry Montes85
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl14 claims
  2. Fentanyl13 claims
  3. Hydrocodone-Acetaminophen11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 99.4 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 score90.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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. Ventura County Radiation Oncology Medical Group, Inc.Oxnard, CA

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

Henry Z. Montes among 735 radiation oncology physician records in California

Henry Z. Montes, M.D. is one of 735 radiation oncology 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1988 · median 2005 among the 545 with a school on file
  • Record last updated2013 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Timothy Oconnor, M.D.Oxnard, CA 930301982669396
  2. Robert Lum, M.D.Oxnard, CA 930361770589707
  3. Thomas Fogel, MDVentura, CA 930031619969524
  4. Jeffrey Rodnick, MDVentura, CA 930031972595882
  5. Charu Singh, M.D.Ventura, CA 930031841741212
  6. Eugene Ahn, MDSimi Valley, CA 930651912999533
  7. Ari Kassardjian, MDSimi Valley, CA 930651689200115
  8. Lindsay Blount, M.D.Santa Barbara, CA 931051558417568

Common questions

What is Henry Z. Montes, M.D.'s NPI number?

Henry Z. Montes, M.D.'s National Provider Identifier (NPI) is 1215992193, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Henry Z. Montes, M.D. located?

The NPPES record lists a practice address at 1700 N Rose Ave, Oxnard, CA, 93030. Phone: (805) 988-2657. Providers update this record themselves, so call before visiting.

How can I verify Henry Z. Montes, M.D.'s license?

NPPES lists California license number A53228, 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 Henry Z. Montes, M.D. prescribe under Medicare Part D?

In 2024, Henry Z. Montes, M.D. had 85 Medicare Part D claims for 43 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Henry Z. Montes, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.4 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.