Xavier Idelfonso Valdez, MPAS, PA-C
- Part D claims, 2024
- 145
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical group
- 1
- State licenses
- 2
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Xavier Valdez'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.
Xavier Idelfonso Valdez is a surgical physician assistant in San Diego, California
Xavier Valdez practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Xavier Valdez's NPI, 1164404034, was assigned on November 16, 2005. Xavier Valdez holds Texas license PA04666.
- NPI
- 1164404034NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234151994
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Xavier Idelfonso Valdez practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Xavier Valdez's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Xavier Idelfonso Valdez is affiliated with 2 sites of care and 1 medical group
Xavier Valdez's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Xavier Valdez is also affiliated with Kaiser Permanente Zion Medical Center. The medical group on file is Southern California Permanente Medical Group.
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 Xavier Idelfonso Valdez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Xavier Valdez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Xavier Idelfonso Valdez is one of 883 surgical physician assistants in California
Surgical is Xavier Valdez's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Xavier Valdez is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Dmand AI has Xavier Valdez's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Surgical physician assistant, TexasPrimary
- California license
Surgical physician assistants near Xavier Valdez
Counts of surgical physician assistants 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
Xavier Idelfonso Valdez's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Xavier Valdez's median patient age at 43, with 55% women.
Xavier Valdez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Xavier Idelfonso Valdez wrote 145 Medicare Part D claims in 2024
In 2024, Xavier Valdez wrote 145 Medicare Part D claims for 72 patients. 99% of them were for generic drugs. CMS names the drug for 110 of them, across 4 drugs with 11 or more claims each, at $868 in total drug cost.
Xavier Valdez's Part D claims by kind of drug, 2024
- Generic143 claims99%
- Brand-name and other2 claims1%
Xavier Valdez'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 Xavier Valdez's Part D claims, 2024
- Opioids36%52 of 145 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Xavier Idelfonso Valdez takes part in Medicare
Xavier Valdez 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)
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Xavier Idelfonso Valdez received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Xavier Valdez from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $18.
Companies that paid Xavier Valdez the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Xavier Idelfonso Valdez is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Xavier Idelfonso Valdez'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Xavier Idelfonso Valdez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Xavier Idelfonso Valdez's NPI number?
Xavier Idelfonso Valdez's NPI number is 1164404034. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What does Xavier Idelfonso Valdez specialize in?
Xavier Idelfonso Valdez is a surgical physician assistant in San Diego, California. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Xavier Idelfonso Valdez practice?
Xavier Valdez practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Xavier Valdez's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California.
What is Xavier Idelfonso Valdez's office phone number?
The practice phone on file for Xavier Valdez is (619) 528-5000.
What is Xavier Idelfonso Valdez's medical license number?
Xavier Valdez holds Texas license PA04666, one of the licenses on file in 2 states.
Which states has Xavier Idelfonso Valdez been licensed in?
Dmand AI has state licenses on file for Xavier Valdez in Texas and California.
Which hospitals is Xavier Idelfonso Valdez affiliated with?
Xavier Valdez is affiliated with Kaiser Permanente Zion Medical Center.
What medical group is Xavier Idelfonso Valdez part of?
Xavier Valdez is linked to Southern California Permanente Medical Group.
Does Xavier Idelfonso Valdez accept Medicare?
Yes. CMS lists Xavier Valdez as accepting Medicare assignment.
Is Xavier Idelfonso Valdez board certified?
Yes. Xavier Valdez is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
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What drugs does Xavier Idelfonso Valdez prescribe most?
In 2024 Medicare Part D data, Xavier Valdez's most prescribed drugs by claims were Oxycodone HCl, Gabapentin and Meloxicam.
Has Xavier Idelfonso Valdez received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Xavier Valdez from 1 company from 2024 to 2024. The largest total came from Bioventus LLC.
How long has Xavier Idelfonso Valdez been practicing?
Xavier Valdez graduated from medical school in 2005, 21 years ago.
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