Dr. Ricardo Da Roza, MD

  • Upland, CA
  • Medical oncologist
NPI1184669285
Medicare services, 2021
35
Part D claims, 2020
30
Publications
2
Industry payments
$3,769
State licenses
2
Practice address
268 N McArthur Way, Upland, CA 91786
Practice phone
Call (909) 694-4020
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Health Guard Inland, LLC

Upland, California

Find Dr. Da Roza's 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.

View contacts for free

Dr. Ricardo Da Roza is a medical oncologist in Upland, California

Dr. Da Roza practices at Health Guard Inland, LLC in Upland, California.

Dr. Da Roza's NPI, 1184669285, was assigned on June 20, 2006. Dr. Da Roza graduated from The Johns Hopkins University School of Medicine in 1981. Dr. Da Roza's California license number on file is C41444.

NPI and contact details
NPI enumeration date
June 20, 2006
NPI status
Active
Practice phone
(909) 694-4020
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Medical school graduation
1981

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Ricardo Da Roza practices at Health Guard Inland, LLC in Upland, California

Dr. Da Roza's primary practice is Health Guard Inland, LLC, at 268 N McArthur Way, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 694-4020.

  • Health Guard Inland, LLC
    268 N McArthur Way, Upland, CA 91786 · San Bernardino CountyPhone(909) 694-4020

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ricardo Da Roza is affiliated with 1 site of care

Dr. Da Roza's primary practice is Health Guard Inland, LLC in Upland, California.

Health Guard Inland, LLCUpland, CaliforniaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Ricardo Da Roza's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Da Roza practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Health Guard Inland, LLCAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Da Roza practices

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. Ricardo Da Roza is one of 415 medical oncologists in California

Medical oncology is Dr. Da Roza's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Da Roza is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Da Roza's licenses on file in 2 states: California and Maryland.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense C41444 · 1984 to 2025 · taxonomy 207RX0202X
  • Maryland license1981 to 1984

Medical oncologists near Dr. Da Roza

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

415medical oncologists in California
4medical oncologists in Upland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ricardo Da Roza billed Medicare for 35 services in 2021

CMS data shows 35 Medicare services from Dr. Da Roza across 1 procedure code in 2021. Medicare paid $3,281 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202135
Paid by Medicare$3,281
Procedure codes1

Dr. Da Roza's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 2192021: 3584%
Drugs given in the office
2020: 10,3602021: 0100%
Lab and pathology
2020: 1522021: 0100%
Tests and treatments
2020: 872021: 0100%
Surgery
2020: 1422021: 0100%

Dr. Da Roza compared with the California median for medical oncologists, 2021

  • Dr. Da Roza
  • California median
Medicare services
35vs 49693% below
Part D claims
30vs 14479% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Da Roza's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Da Roza

Need commercial claims for Dr. Da Roza?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Da Roza and other medical oncologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ricardo Da Roza's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Dr. Da Roza's median patient age at 73, with 25% women.

Dr. Da Roza's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women25%
  • Men63%

Source: Dmand AI Patient Panel Data

Dr. Ricardo Da Roza wrote 30 Medicare Part D claims in 2020

In 2020, Dr. Da Roza wrote 30 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $654 in total drug cost. In 2019, CMS named 453 claims across 17 drugs.

Part D claims, 202030
Drugs named by CMS1
Total drug cost$654

Dr. Da Roza's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 4532020: 3093%

Drugs named by CMS: 1 in 2020, 17 in 2019.

See all prescribing by Dr. Da Roza

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

For MedTech and pharma teams

Find medical oncologists like Dr. Da Roza by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Ricardo Da Roza has 2 publications on record

Dmand AI links 2 papers to Dr. Da Roza. Dr. Da Roza's most frequent co-author is Sanford H. Barsky, MD.

Papers2

Dr. Da Roza's most frequent co-authors

Recent publications by Dr. Da Roza

See all 2 publications and co-authors

See who Dr. Da Roza researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Da Roza works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ricardo Da Roza received $3,769 in industry payments from 2016 to 2023

CMS Open Payments shows 193 general payments to Dr. Da Roza from 34 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 92% of the total. Janssen Pharmaceuticals, Inc paid the most, $442.

General payments to Dr. Da Roza by program year, 2016 to 2023

General payments to Dr. Da Roza by kind, 2016 to 2023

$3.8Kin total
  • Food and beverage$3,45892%
  • Education$3118%

Companies that paid Dr. Da Roza the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Da Roza

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ricardo Da Roza has 1 award and honors on record

Dmand AI lists 1 award for Dr. Da Roza, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Da Roza

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Ricardo Da Roza graduated from The Johns Hopkins University School of Medicine

Dr. Da Roza graduated from The Johns Hopkins University School of Medicine in 1981.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ricardo Da Roza's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ricardo Da Roza

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. Ricardo Da Roza's NPI number?

Dr. Ricardo Da Roza's NPI number is 1184669285. It was assigned on June 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ricardo Da Roza?

Dr. Ricardo Da Roza is a medical oncologist in Upland, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Ricardo Da Roza practice?

Dr. Da Roza practices at 268 N McArthur Way, Upland, CA 91786. Dr. Da Roza's primary practice is Health Guard Inland, LLC in Upland, California.

What is Dr. Ricardo Da Roza's office phone number?

The practice phone on file for Dr. Da Roza is (909) 694-4020.

What is Dr. Ricardo Da Roza's medical license number?

Dr. Da Roza's California license number on file is C41444, one of the licenses on file in 2 states.

Which states has Dr. Ricardo Da Roza been licensed in?

Dmand AI has state licenses on file for Dr. Da Roza in California (1984 to 2025) and Maryland (1981 to 1984).

Does Dr. Ricardo Da Roza accept Medicare?

Yes. CMS data shows Dr. Da Roza billed Medicare for 35 services in 2021.

Is Dr. Ricardo Da Roza board certified?

Yes. Dr. Da Roza is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Ricardo Da Roza bill to Medicare?

In 2021, Dr. Da Roza's most billed Medicare services were hospital inpatient care (99233).

Where did Dr. Ricardo Da Roza go to medical school?

Dr. Da Roza graduated from The Johns Hopkins University School of Medicine in 1981.

Show 5 more questionsShow fewer questions

What drugs does Dr. Ricardo Da Roza prescribe most?

In 2020 Medicare Part D data, Dr. Da Roza's most prescribed drugs by claims were Anastrozole.

Has Dr. Ricardo Da Roza received payments from drug or device companies?

CMS Open Payments shows $3,769 in general payments to Dr. Da Roza from 34 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Ricardo Da Roza been practicing?

Dr. Da Roza graduated from medical school in 1981, 45 years ago.

Does Dr. Ricardo Da Roza do research?

Dmand AI links 2 publications to Dr. Da Roza.

Who does Dr. Ricardo Da Roza publish with?

Dr. Da Roza's most frequent co-authors are Sanford H. Barsky, MD (1 shared paper).

Selling to medical oncology practices?

See medical 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)