Carolyn Nguyen Zepeda, CRNP
- Part D claims, 2024
- 97
- Hospital affiliations
- 1
- Industry payments
- $310
- Medical group
- 1
- State licenses
- 2
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Carolyn Zepeda'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.
Carolyn Nguyen Zepeda is a nurse practitioner in Vallejo, California
Carolyn Zepeda practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Carolyn Zepeda's NPI, 1578762902, was assigned on July 16, 2007. Carolyn Zepeda holds California license 18470.
- NPI
- 1578762902NPI Registry (opens in a new tab)
- NPI enumeration date
- July 16, 2007
- NPI status
- Active
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Carolyn Nguyen Zepeda practices at Vallejo Medical Center in Vallejo, California
Carolyn Zepeda's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Carolyn Nguyen Zepeda is affiliated with 3 sites of care and 1 medical group
Carolyn Zepeda's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Carolyn Zepeda to 1 more home health agency and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Carolyn Nguyen Zepeda's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Carolyn Zepeda practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Carolyn Nguyen Zepeda is one of 5,983 nurse practitioners in California
Nurse practitioner is Carolyn Zepeda's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Carolyn Zepeda's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
- Adult health nurse practitioner, Maryland
Nurse practitioners near Carolyn Zepeda
Counts of nurse practitioners 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
Carolyn Nguyen Zepeda's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Carolyn Zepeda's median patient age at 72, with 38% women.
Carolyn Zepeda's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women38%
- Men61%
Source: Dmand AI Patient Panel Data
Carolyn Nguyen Zepeda wrote 97 Medicare Part D claims in 2024
In 2024, Carolyn Zepeda wrote 97 Medicare Part D claims for 44 patients. 66% of them were for generic drugs. CMS names the drug for 52 of them, across 2 drugs with 11 or more claims each, at $106,644 in total drug cost.
Carolyn Zepeda's Part D claims by kind of drug, 2024
- Generic64 claims66%
- Brand-name33 claims34%
Carolyn Zepeda'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 Carolyn Zepeda's Part D claims, 2024
- Antibiotics34%33 of 97 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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Carolyn Nguyen Zepeda received $310 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Carolyn Zepeda from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Histosonics, Inc. paid the most, $160.
General payments to Carolyn Zepeda by program year, 2024 to 2025
Companies that paid Carolyn Zepeda 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 Carolyn Nguyen Zepeda'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 Carolyn Nguyen Zepeda
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Carolyn Nguyen Zepeda's NPI number?
Carolyn Nguyen Zepeda's NPI number is 1578762902. It was assigned on July 16, 2007, and it is active in the NPI Registry.
What does Carolyn Nguyen Zepeda specialize in?
Carolyn Nguyen Zepeda is a nurse practitioner in Vallejo, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Carolyn Nguyen Zepeda practice?
Carolyn Zepeda practices at 975 Sereno Dr, Vallejo, CA 94589. Carolyn Zepeda's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Carolyn Zepeda to 1 home health agency and 1 hospice.
What is Carolyn Nguyen Zepeda's office phone number?
The practice phone on file for Carolyn Zepeda is (707) 651-1000.
What is Carolyn Nguyen Zepeda's medical license number?
Carolyn Zepeda holds California license 18470, one of the licenses on file in 2 states.
Which states has Carolyn Nguyen Zepeda been licensed in?
Dmand AI has state licenses on file for Carolyn Zepeda in California and Maryland.
Which hospitals is Carolyn Nguyen Zepeda affiliated with?
Carolyn Zepeda practices at Vallejo Medical Center in Vallejo, California.
What medical group is Carolyn Nguyen Zepeda part of?
Carolyn Zepeda is linked to The Permanente Medical Group, Inc.
What drugs does Carolyn Nguyen Zepeda prescribe most?
In 2024 Medicare Part D data, Carolyn Zepeda's most prescribed drugs by claims were Xifaxan and Lactulose.
Has Carolyn Nguyen Zepeda received payments from drug or device companies?
CMS Open Payments shows $310 in general payments to Carolyn Zepeda from 3 companies from 2024 to 2025. The largest total came from Histosonics, Inc.
How long has Carolyn Nguyen Zepeda been practicing?
Carolyn Zepeda graduated from medical school in 2006, 20 years ago.
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