Tammy J. Mahaney, DNP, FNP

  • West Hills, CA
  • Family nurse practitioner
NPI1679359178PAC ID9234577610
Part D claims, 2024
29
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2023
Practice address
8403 N Fallbrook Ave, West Hills, CA 91304
Practice phone
Call (740) 289-3508
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Quest Diagnostics

West Hills, California

See all 3 affiliations

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Tammy J. Mahaney is a family nurse practitioner in West Hills, California

Tammy Mahaney practices at Quest Diagnostics in West Hills, California.

Tammy Mahaney's NPI, 1679359178, was assigned on August 31, 2023. Tammy Mahaney graduated from Medical University of South Carolina College of Medicine in 2023. Tammy Mahaney holds California license 95027799.

NPI and contact details
Medicare PAC ID
9234577610
NPI enumeration date
August 31, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(740) 289-3508
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Tammy J. Mahaney practices at Quest Diagnostics in West Hills, California

Tammy Mahaney's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (740) 289-3508.

  • Quest Diagnostics
    8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(740) 289-3508

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Tammy J. Mahaney is affiliated with 2 sites of care and 1 medical group

Tammy Mahaney's primary practice is Quest Diagnostics in West Hills, California. The medical group on file is Bella Primary Care. Dmand AI also links Tammy Mahaney to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Tammy Mahaney

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

Dmand AI tracks the EHR system at Tammy J. Mahaney's practice

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

EHR by site
SiteEHR vendor and product
Quest DiagnosticsAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Tammy J. Mahaney is one of 13,532 family nurse practitioners in California

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

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 95027799 · taxonomy 363LF0000X

Family nurse practitioners near Tammy Mahaney

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

Tammy J. Mahaney's patients have a median age of 31

Across all payers, Dmand AI patient panel data puts Tammy Mahaney's median patient age at 31, with 86% women.

Tammy Mahaney's patients across all payers

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

Patient panel by age, all payers

Median age 31

Patient panel by sex, all payers

  • Women86%
  • Men9%

Source: Dmand AI Patient Panel Data

Tammy J. Mahaney wrote 29 Medicare Part D claims in 2024

In 2024, Tammy Mahaney wrote 29 Medicare Part D claims. 90% of them were for generic drugs.

Part D claims, 202429

Tammy Mahaney's Part D claims by kind of drug, 2024

  • Generic26 claims90%
  • Brand-name and other3 claims10%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Tammy J. Mahaney takes part in Medicare

Tammy Mahaney 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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Tammy J. Mahaney graduated from Medical University of South Carolina College of Medicine

Tammy Mahaney graduated from Medical University of South Carolina College of Medicine in 2023.

  1. Medical schoolMedical University of South Carolina College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Tammy J. Mahaney'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Tammy J. Mahaney

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

What is Tammy J. Mahaney's NPI number?

Tammy J. Mahaney's NPI number is 1679359178. It was assigned on August 31, 2023, and it is active in the NPI Registry.

What does Tammy J. Mahaney specialize in?

Tammy J. Mahaney is a family nurse practitioner in West Hills, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Tammy J. Mahaney practice?

Tammy Mahaney practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Tammy Mahaney's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Tammy Mahaney to 1 group practice or clinic.

What is Tammy J. Mahaney's office phone number?

The practice phone on file for Tammy Mahaney is (740) 289-3508.

What is Tammy J. Mahaney's medical license number?

Tammy Mahaney holds California license 95027799.

What medical group is Tammy J. Mahaney part of?

Tammy Mahaney is linked to Bella Primary Care.

Does Tammy J. Mahaney accept Medicare?

Yes. CMS lists Tammy Mahaney as accepting Medicare assignment.

Where did Tammy J. Mahaney go to medical school?

Tammy Mahaney graduated from Medical University of South Carolina College of Medicine in 2023.

How long has Tammy J. Mahaney been practicing?

Tammy Mahaney graduated from medical school in 2023, 3 years ago.

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