Olivia Guzman, PA-C
- Part D claims, 2024
- 2,295
- Hospital affiliations
- 1
- Industry payments
- $1,640
- Medical group
- 1
- State license
- 1
- Practice address
- 725 Welch Road, Palo Alto, CA 94304
- Practice phone
- Call (650) 497-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Olivia Guzman's professional email, personal email and mobile number
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Olivia Guzman is a physician assistant in Palo Alto, California
Olivia Guzman practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Olivia Guzman's NPI, 1326275587, was assigned on June 16, 2009. Olivia Guzman holds California license CA15046.
- NPI
- 1326275587NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2009
- NPI status
- Active
- Practice phone
- (650) 497-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Olivia Guzman practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Olivia Guzman's primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.
- Lucile Packard Children's Hospital Stanford725 Welch Road, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 497-8000
Source: Dmand AI Affiliation Data
Olivia Guzman is affiliated with 2 sites of care and 1 medical group
Olivia Guzman's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. The medical group on file is Plazita Medical Clinic. Dmand AI also links Olivia Guzman to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Olivia Guzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Olivia Guzman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lucile Packard Children's Hospital Stanford | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Olivia Guzman is one of 2,381 physician assistants in California
Medical is Olivia Guzman's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Olivia Guzman is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Olivia Guzman
Counts of 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
Olivia Guzman's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Olivia Guzman's median patient age at 51, with 70% women.
Olivia Guzman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Olivia Guzman wrote 2,295 Medicare Part D claims in 2024
In 2024, Olivia Guzman wrote 2,295 Medicare Part D claims for 182 patients. 90% of them were for generic drugs. CMS names the drug for 2,036 of them, across 44 drugs with 11 or more claims each, at $120,207 in total drug cost.
Olivia Guzman's Part D claims by kind of drug, 2024
- Generic2,064 claims90%
- Brand-name and other231 claims10%
Olivia Guzman'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 Olivia Guzman's Part D claims, 2024
- Opioids1%15 of 2,295 claims
- Antibiotics1%23 of 2,295 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
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Olivia Guzman received $1,640 in industry payments from 2024 to 2025
CMS Open Payments shows 89 general payments to Olivia Guzman from 18 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $470.
General payments to Olivia Guzman by program year, 2024 to 2025
Companies that paid Olivia Guzman the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Olivia Guzman'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Olivia Guzman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Olivia Guzman's NPI number?
Olivia Guzman's NPI number is 1326275587. It was assigned on June 16, 2009, and it is active in the NPI Registry.
What does Olivia Guzman specialize in?
Olivia Guzman is a physician assistant in Palo Alto, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Olivia Guzman practice?
Olivia Guzman practices at 725 Welch Road, Palo Alto, CA 94304. Olivia Guzman's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dmand AI also links Olivia Guzman to 1 group practice or clinic.
What is Olivia Guzman's office phone number?
The practice phone on file for Olivia Guzman is (650) 497-8000.
What is Olivia Guzman's medical license number?
Olivia Guzman holds California license CA15046.
Which hospitals is Olivia Guzman affiliated with?
Olivia Guzman practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.
What medical group is Olivia Guzman part of?
Olivia Guzman is linked to Plazita Medical Clinic.
What drugs does Olivia Guzman prescribe most?
In 2024 Medicare Part D data, Olivia Guzman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Metformin HCl.
Has Olivia Guzman received payments from drug or device companies?
CMS Open Payments shows $1,640 in general payments to Olivia Guzman from 18 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Olivia Guzman been practicing?
Olivia Guzman's NPI was assigned in 2009.
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