NPPES file of Aug 9, 2026

Tracy K. Matalon, MSN, FNP

Family Nurse Practitioner · Thousand Oaks, CA

Tracy K. Matalon, MSN, FNP is a family nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1174707442, issued on Dec 21, 2007. Check the license (California 17536, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174707442
Name
Tracy K. Matalon
Credential
MSN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
17536 CA
Self-reported in NPPES; status is on the state search
Practice location
215 W Janss RD, Thousand Oaks, CA 91360
Phone
(805) 370-4435
Enumerated
Dec 21, 2007
Record last updated
Aug 3, 2026
Medicare enrollment
Enrolled (PECOS I20081030000565); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 215 W Janss RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sandra Abadir, MDStudent in an Organized Health Care Education/Training Program1609578152
  2. Danny Abdalnour, MDStudent in an Organized Health Care Education/Training Program1598613705
  3. Sara Abdel AzimStudent in an Organized Health Care Education/Training Program1760284384
  4. Ziad Abdullatif, D.O.Student in an Organized Health Care Education/Training Program1710689419
  5. Bianca Abramian, MDStudent in an Organized Health Care Education/Training Program1649118332
  6. Rehman Afraz, MDStudent in an Organized Health Care Education/Training Program1265370407

Verify Tracy K. Matalon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 17536
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

210 Medicare Part D claims for 140 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Tracy Matalon210
  2. Specialty average1,305

Most prescribed

  1. Cephalexin26 claims
  2. Ondansetron Odt21 claims
  3. Oxycodone-Acetaminophen19 claims
  4. Hydrocodone-Acetaminophen17 claims
  5. Prednisone14 claims
  6. Cefdinir13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score95.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Team Physicians OF California Medical Group IncThousand Oaks, CA
  2. Ventura Emergency PhysiciansVentura, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tracy K. Matalon among 16,966 family nurse practitioner records in California

Tracy K. Matalon, MSN, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.

  • NPI issued2007 · 7% of these records are older, 87% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2007 · median 2019 among the 6,793 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 family nurse practitioner records list a practice address in Thousand Oaks

They are 42 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jacqueline Capaldi, FNPThousand Oaks, CA 913601366159741
  2. Amy Carter, FNP-CThousand Oaks, CA 913601316550452
  3. Angelica Chang, FNP-CThousand Oaks, CA 913601639824287
  4. Joy Edwards-Beckett, PHD, DNSC, FNP.C, CWThousand Oaks, CA 913601093838583
  5. Brooke Kirksey, NPThousand Oaks, CA 913601386344489
  6. Darlyn Grace Lopez, FNP-BCThousand Oaks, CA 913601033705496
  7. Meng LuyThousand Oaks, CA 913601396506598
  8. Kelley McKennaThousand Oaks, CA 913601528410511

Common questions

What is Tracy K. Matalon, MSN, FNP's NPI number?

Tracy K. Matalon, MSN, FNP's National Provider Identifier (NPI) is 1174707442, issued on Dec 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tracy K. Matalon, MSN, FNP located?

The NPPES record lists a practice address at 215 W Janss RD, Thousand Oaks, CA, 91360. Phone: (805) 370-4435. Providers update this record themselves, so call before visiting.

How can I verify Tracy K. Matalon, MSN, FNP's license?

NPPES lists California license number 17536, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tracy K. Matalon, MSN, FNP prescribe under Medicare Part D?

In 2024, Tracy K. Matalon, MSN, FNP had 210 Medicare Part D claims for 140 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Tracy K. Matalon, MSN, FNP's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.