FamilyFamily HealthGastric Bypass
Dr. Joe Sixto Peraza IV, MD
NPI1902118631PAC ID6608016365
- Medicare services, 2024
- 19
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 361
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Peraza'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.
Dr. Joe Sixto Peraza IV is an emergency medicine physician in Fontana, California
Dr. Peraza practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Peraza's NPI, 1902118631, was assigned on July 10, 2010. Dr. Peraza graduated from Stanford University School of Medicine in 2010. Dr. Peraza holds Arizona license AU-2903599-0517.
NPI and contact details
- NPI
- 1902118631NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608016365
- NPI enumeration date
- July 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joe Sixto Peraza IV practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Peraza's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joe Sixto Peraza IV is affiliated with 2 sites of care and 2 medical groups
Dr. Peraza's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Peraza is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Peraza to 1 more medical group, named with a free account.
Kaiser Permanente - Fontana Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joe Sixto Peraza IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peraza practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available 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. Peraza 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. Joe Sixto Peraza IV is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Peraza's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Peraza is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Peraza
Counts of emergency medicine physicians 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. Joe Sixto Peraza IV billed Medicare for 19 services in 2024
CMS data shows 19 Medicare services from Dr. Peraza across 1 procedure code in 2024, for 32 Medicare patients. Medicare paid $1,549 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202419
Medicare patients32
Paid by Medicare$1,549
Procedure codes1
Dr. Peraza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 192024: 19No change
Dr. Peraza compared with the California median for emergency medicine physicians, 2024
- Dr. Peraza
- California median
- Medicare services
- 19vs 26593% below
- Medicare patients
- 32vs 24387% below
- Part D claims
- 191vs 623.1 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Peraza's 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. Peraza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peraza and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joe Sixto Peraza IV treated 32 Medicare patients in 2024, average age 66
CMS counts 32 Medicare patients who saw Dr. Peraza in 2024. The largest group is 65 to 74, with 11 patients. 72% of them have high blood pressure, and 59% have high cholesterol. Their average risk score is 3.10, 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. Peraza's median patient age at 49, with 56% women.
Medicare patients, 202432
Average age66
Average risk score3.10
Dr. Peraza's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Peraza's Medicare patients by sex, 2024
- Women1753%
- Men1547%
Chronic conditions among Dr. Peraza's Medicare patients, 2024
- High blood pressure72%
- High cholesterol59%
- Diabetes44%
- Arthritis41%
- Atrial fibrillation38%
- Chronic kidney disease34%
- Heart failure34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peraza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joe Sixto Peraza IV wrote 361 Medicare Part D claims in 2024
In 2024, Dr. Peraza wrote 361 Medicare Part D claims for 222 patients. 92% of them were for generic drugs. CMS names the drug for 191 of them, across 10 drugs with 11 or more claims each, at $2,281 in total drug cost. In 2023, CMS named 150 claims across 8 drugs.
Part D claims, 2024361
Drugs named by CMS10
Total drug cost$2,281
Part D patients222
Dr. Peraza's Part D claims by kind of drug, 2024
- Generic332 claims92%
- Brand-name and other29 claims8%
Dr. Peraza's 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. Peraza's Part D claims, 2024
- Opioids16%58 of 361 claims
- Antibiotics25%90 of 361 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: 1502024: 19127%
Drugs named by CMS: 10 in 2024, 8 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
How Dr. Joe Sixto Peraza IV takes part in Medicare
Dr. Peraza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find emergency medicine physicians like Dr. Peraza 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. Joe Sixto Peraza IV has 1 publication on record
Dmand AI links 1 paper to Dr. Peraza.
Papers1
Recent publications by Dr. Peraza
See who Dr. Peraza researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Peraza works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joe Sixto Peraza IV graduated from Stanford University School of Medicine
Dr. Peraza graduated from Stanford University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joe Sixto Peraza IV'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Joe Sixto Peraza IV
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. Joe Sixto Peraza IV's NPI number?
Dr. Joe Sixto Peraza IV's NPI number is 1902118631. It was assigned on July 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Joe Sixto Peraza IV?
Dr. Joe Sixto Peraza IV is an emergency medicine physician in Fontana, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joe Sixto Peraza IV practice?
Dr. Peraza practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Peraza's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Peraza to 1 medical group.
What is Dr. Joe Sixto Peraza IV's office phone number?
The practice phone on file for Dr. Peraza is (909) 427-5000.
What is Dr. Joe Sixto Peraza IV's medical license number?
Dr. Peraza holds Arizona license AU-2903599-0517.
Which hospitals is Dr. Joe Sixto Peraza IV affiliated with?
Dr. Peraza is affiliated with Fontana Medical Center.
What medical group is Dr. Joe Sixto Peraza IV part of?
Dr. Peraza is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Peraza to 1 more medical group.
Does Dr. Joe Sixto Peraza IV accept Medicare?
Yes. CMS data shows Dr. Peraza billed Medicare for 19 services in 2024, and Dr. Peraza accepts Medicare assignment.
How many Medicare patients does Dr. Joe Sixto Peraza IV see?
CMS counts 32 Medicare patients who saw Dr. Peraza in 2024, with an average age of 66.
What services does Dr. Joe Sixto Peraza IV bill to Medicare?
In 2024, Dr. Peraza's most billed Medicare services were emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Joe Sixto Peraza IV go to medical school?
Dr. Peraza graduated from Stanford University School of Medicine in 2010.
What drugs does Dr. Joe Sixto Peraza IV prescribe most?
In 2024 Medicare Part D data, Dr. Peraza's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Ondansetron ODT.
How long has Dr. Joe Sixto Peraza IV been practicing?
Dr. Peraza graduated from medical school in 2010, 16 years ago.
Does Dr. Joe Sixto Peraza IV do research?
Dmand AI links 1 publication to Dr. Peraza.
Selling to emergency medicine practices?
See emergency medicine physicians 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