Dr. Henry Z. Montes, MD
- Medicare services, 2024
- 3,218
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 85
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1700 N Rose Ave, Oxnard, CA 93030
- Practice phone
- Call (805) 204-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. John's Outpatient Surgery Center, LP
Oxnard, California
Find Dr. Montes' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Henry Z. Montes is a radiation oncologist in Oxnard, California
Dr. Montes practices at St. John's Outpatient Surgery Center, LP in Oxnard, California.
Dr. Montes' NPI, 1215992193, was assigned on April 20, 2006. Dr. Montes graduated from Boston University School Of Medicine in 1988. Dr. Montes' California license number on file is A53228.
- NPI
- 1215992193NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890609358
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 204-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Henry Z. Montes practices at St. John's Outpatient Surgery Center, LP in Oxnard, California
Dr. Montes' primary practice is St. John's Outpatient Surgery Center, LP, at 1700 N Rose Ave, Oxnard, CA 93030 in Ventura County. The practice phone is (805) 204-5000.
- St. John's Outpatient Surgery Center, LP1700 N Rose Ave, Oxnard, CA 93030 · Ventura CountyPhone(805) 204-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Henry Z. Montes is affiliated with 3 sites of care and 1 medical group
Dr. Montes' primary practice is St. John's Outpatient Surgery Center, LP in Oxnard, California. Dr. Montes is also affiliated with Dignity Health - St. John's Regional Medical Center. The medical group on file is Radiation Oncology Centers of Ventura County. Dmand AI also links Dr. Montes to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Henry Z. Montes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Montes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. John's Outpatient Surgery Center, LP | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Henry Z. Montes is one of 685 radiation oncologists in California
Radiation oncology is Dr. Montes' primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Montes' licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- Arizona license
Clinical focus
Dmand AI lists bone cancer radiation, brain cancer radiation, breast cancer radiation, cervical cancer radiation, lung cancer radiation, lymphoma radiation, pancreatic cancer radiation and prostate cancer radiation among the conditions Dr. Montes treats.
Radiation oncologists near Dr. Montes
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Henry Z. Montes billed Medicare for 3,218 services in 2024
CMS data shows 3,218 Medicare services from Dr. Montes across 24 procedure codes in 2024, for 170 Medicare patients. Medicare paid $778,089 for them. Every service was in an office.
Dr. Montes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2,2162024: 1,78120%
- Imaging
- 2023: 1,6172024: 1,35216%
- Office and hospital visits
- 2023: 902024: 856%
Dr. Montes compared with the California median for radiation oncologists, 2024
- Dr. Montes
- California median
- Medicare services
- 3,218vs 1,4442.2 times
- Medicare patients
- 170vs 164Close to median
- Part D claims
- 38vs 3219% above
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Montes' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Montes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Montes and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Henry Z. Montes treated 170 Medicare patients in 2024, average age 77
CMS counts 170 Medicare patients who saw Dr. Montes in 2024. The largest group is 75 to 84, with 71 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Montes' median patient age at 71, with 54% women.
Dr. Montes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Montes' Medicare patients by sex, 2024
- Women9858%
- Men7242%
Chronic conditions among Dr. Montes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer68%
- Ischemic heart disease40%
- Arthritis36%
- Chronic kidney disease34%
- Diabetes32%
- Heart failure29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Montes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Henry Z. Montes wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Montes wrote 85 Medicare Part D claims for 43 patients. 87% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $1,179 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Dr. Montes' Part D claims by kind of drug, 2024
- Generic74 claims87%
- Brand-name and other11 claims13%
Dr. Montes' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Montes' Part D claims, 2024
- Opioids31%26 of 85 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 202024: 3890%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Henry Z. Montes scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Montes for performance year 2024, reported as part of a group. Dr. Montes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Montes' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Henry Z. Montes received $2,121 in industry payments from 2016 to 2023
CMS Open Payments shows 51 general payments to Dr. Montes from 19 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $276.
General payments to Dr. Montes by program year, 2016 to 2023
Companies that paid Dr. Montes the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Henry Z. Montes graduated from Boston University School Of Medicine
Dr. Montes graduated from Boston University School Of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Henry Z. Montes accepts plans from 9 insurance carriers
Dr. Montes is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Montes accepts, by number of carriers
- Medicare9
- PPO7
- HMO5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Henry Z. Montes's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Henry Z. Montes
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Henry Z. Montes' NPI number?
Dr. Henry Z. Montes' NPI number is 1215992193. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Henry Z. Montes?
Dr. Henry Z. Montes is a radiation oncologist in Oxnard, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Henry Z. Montes practice?
Dr. Montes practices at 1700 N Rose Ave, Oxnard, CA 93030. Dr. Montes' primary practice is St. John's Outpatient Surgery Center, LP in Oxnard, California. Dmand AI also links Dr. Montes to 1 group practice or clinic.
What is Dr. Henry Z. Montes' office phone number?
The practice phone on file for Dr. Montes is (805) 204-5000.
What is Dr. Henry Z. Montes' medical license number?
Dr. Montes' California license number on file is A53228, one of the licenses on file in 2 states.
Which states has Dr. Henry Z. Montes been licensed in?
Dmand AI has state licenses on file for Dr. Montes in California (1994 to 2025) and Arizona (1992 to 2027).
Which hospitals is Dr. Henry Z. Montes affiliated with?
Dr. Montes is affiliated with Dignity Health - St. John's Regional Medical Center.
What medical group is Dr. Henry Z. Montes part of?
Dr. Montes is linked to Radiation Oncology Centers of Ventura County.
Does Dr. Henry Z. Montes accept Medicare?
Yes. CMS data shows Dr. Montes billed Medicare for 3,218 services in 2024, and Dr. Montes accepts Medicare assignment.
What is Dr. Henry Z. Montes' MIPS score?
Dr. Montes' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Henry Z. Montes see?
CMS counts 170 Medicare patients who saw Dr. Montes in 2024, with an average age of 77.
What services does Dr. Henry Z. Montes bill to Medicare?
In 2024, Dr. Montes' most billed Medicare services were medicare service (G6015), medicare service (G6017) and medicare service (G6012).
Where did Dr. Henry Z. Montes go to medical school?
Dr. Montes graduated from Boston University School Of Medicine in 1988.
What drugs does Dr. Henry Z. Montes prescribe most?
In 2024 Medicare Part D data, Dr. Montes' most prescribed drugs by claims were Tamsulosin HCl, Fentanyl and Hydrocodone-Acetaminophen.
Has Dr. Henry Z. Montes received payments from drug or device companies?
CMS Open Payments shows $2,121 in general payments to Dr. Montes from 19 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Henry Z. Montes been practicing?
Dr. Montes graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Henry Z. Montes accept?
Dr. Montes is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to radiation oncology practices?
See radiation oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card