Carlos A. Guerrero, FNP
- Part D claims, 2024
- 14,266
- Industry payments
- $808
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000
- Practice phone
- Call (661) 726-3724
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
First Valley Medical Group Ipa
Primary care practice · Lancaster, California
Find Carlos Guerrero'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.
Carlos A. Guerrero is a family nurse practitioner in Lancaster, California
Carlos Guerrero practices at First Valley Medical Group Ipa in Lancaster, California.
Carlos Guerrero's NPI, 1699855080, was assigned on October 17, 2006. Carlos Guerrero holds California license NP 8934.
- NPI
- 1699855080NPI Registry (opens in a new tab)
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Practice phone
- (661) 726-3724
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Carlos A. Guerrero practices at First Valley Medical Group Ipa in Lancaster, California
Carlos Guerrero's primary practice is First Valley Medical Group Ipa, at 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000. The practice phone is (661) 726-3724.
- First Valley Medical Group Ipa44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000Phone(661) 726-3724
Source: Dmand AI Affiliation Data
Carlos A. Guerrero is affiliated with 2 sites of care and 2 medical groups
Carlos Guerrero's primary practice is First Valley Medical Group Ipa in Lancaster, California. The medical group on file is First Valley Medical Group. Dmand AI also links Carlos Guerrero to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Carlos A. Guerrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Carlos Guerrero practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| First Valley Medical Group Ipa | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Carlos A. Guerrero is one of 13,532 family nurse practitioners in California
Family is Carlos Guerrero's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Carlos Guerrero's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
- Medical physician assistant, Florida
Family nurse practitioners near Carlos Guerrero
Counts of family 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
Carlos A. Guerrero's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Carlos Guerrero's median patient age at 71, with 52% women.
Carlos Guerrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Carlos A. Guerrero wrote 14,266 Medicare Part D claims in 2024
In 2024, Carlos Guerrero wrote 14,266 Medicare Part D claims for 555 patients. 80% of them were for generic drugs.
Carlos Guerrero's Part D claims by kind of drug, 2024
- Generic11,427 claims80%
- Brand-name2,685 claims19%
- Other154 claims1%
Drug classes CMS tracks in Carlos Guerrero's Part D claims, 2024
- Opioids7%967 of 14,266 claims
- Antibiotics3%456 of 14,266 claims
- Antipsychotics, patients 65 and over0%39 of 14,266 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Carlos A. Guerrero received $808 in industry payments in 2025
CMS Open Payments shows 28 general payments to Carlos Guerrero from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $191.
Companies that paid Carlos Guerrero the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Carlos A. Guerrero'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Carlos A. Guerrero
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Carlos A. Guerrero's NPI number?
Carlos A. Guerrero's NPI number is 1699855080. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What does Carlos A. Guerrero specialize in?
Carlos A. Guerrero is a family nurse practitioner in Lancaster, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Carlos A. Guerrero practice?
Carlos Guerrero practices at 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000. Carlos Guerrero's primary practice is First Valley Medical Group Ipa in Lancaster, California. Dmand AI also links Carlos Guerrero to 1 group practice or clinic and 1 medical group.
What is Carlos A. Guerrero's office phone number?
The practice phone on file for Carlos Guerrero is (661) 726-3724.
What is Carlos A. Guerrero's medical license number?
Carlos Guerrero holds California license NP 8934, one of the licenses on file in 2 states.
Which states has Carlos A. Guerrero been licensed in?
Dmand AI has state licenses on file for Carlos Guerrero in California and Florida.
What medical group is Carlos A. Guerrero part of?
Carlos Guerrero is linked to First Valley Medical Group. Dmand AI links Carlos Guerrero to 1 more medical group.
Has Carlos A. Guerrero received payments from drug or device companies?
CMS Open Payments shows $808 in general payments to Carlos Guerrero from 16 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Carlos A. Guerrero been practicing?
Carlos Guerrero's NPI was assigned in 2006.
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