Claudia Mazzei, NP

  • Torrance, CA
  • Family nurse practitioner
NPI1104956135
Part D claims, 2024
89
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
1000 W Carson St, Torrance, CA 90509
Practice phone
Call (310) 222-2345
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harbor-UCLA Medical Center

Hospital · Torrance, California

See all 2 affiliations

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Claudia Mazzei is a family nurse practitioner in Torrance, California

Claudia Mazzei practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.

Claudia Mazzei's NPI, 1104956135, was assigned on March 7, 2007. Claudia Mazzei holds California license 14530.

NPI and contact details
NPI enumeration date
March 7, 2007
NPI status
Active
Practice phone
(310) 222-2345
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Claudia Mazzei practices at Harbor-UCLA Medical Center in Torrance, California

Claudia Mazzei's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.

Source: Dmand AI Affiliation Data

Claudia Mazzei is affiliated with 1 site of care and 1 medical group

Claudia Mazzei's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center. Claudia Mazzei's employer is on file too: a hospital.

See all 2 affiliations for Claudia Mazzei

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Claudia Mazzei's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Claudia Mazzei practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harbor-UCLA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Claudia Mazzei is one of 13,532 family nurse practitioners in California

Family is Claudia Mazzei's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Claudia Mazzei is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 14530 · taxonomy 363LF0000X

Family nurse practitioners near Claudia Mazzei

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

Claudia Mazzei's patients have a median age of 59

Across all payers, Dmand AI patient panel data puts Claudia Mazzei's median patient age at 59, with 66% women.

Claudia Mazzei's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women66%
  • Men34%

Source: Dmand AI Patient Panel Data

Claudia Mazzei wrote 89 Medicare Part D claims in 2024

In 2024, Claudia Mazzei wrote 89 Medicare Part D claims for 49 patients. 97% of them were for generic drugs.

Part D claims, 202489
Part D patients49

Claudia Mazzei's Part D claims by kind of drug, 2024

  • Generic86 claims97%
  • Brand-name and other3 claims3%

Drug classes CMS tracks in Claudia Mazzei's Part D claims, 2024

  • Antibiotics33%29 of 89 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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Sources for Claudia Mazzei's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Claudia Mazzei

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Claudia Mazzei's NPI number?

Claudia Mazzei's NPI number is 1104956135. It was assigned on March 7, 2007, and it is active in the NPI Registry.

What does Claudia Mazzei specialize in?

Claudia Mazzei is a family nurse practitioner in Torrance, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Claudia Mazzei practice?

Claudia Mazzei practices at 1000 W Carson St, Torrance, CA 90509. Claudia Mazzei's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.

What is Claudia Mazzei's office phone number?

The practice phone on file for Claudia Mazzei is (310) 222-2345.

What is Claudia Mazzei's medical license number?

Claudia Mazzei holds California license 14530.

Which hospitals is Claudia Mazzei affiliated with?

Claudia Mazzei practices at Harbor-UCLA Medical Center in Torrance, California.

What medical group is Claudia Mazzei part of?

Claudia Mazzei is linked to Harbor-UCLA Medical Center.

How long has Claudia Mazzei been practicing?

Claudia Mazzei's NPI was assigned in 2007.

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