NPPES file of Aug 9, 2026

Stephanie R. Porter, NP

Family Nurse Practitioner · Thousand Oaks, CA

Stephanie R. Porter, NP is a family nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1396238929, issued on Jun 8, 2018. Check the license (California NP95008743, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396238929
Name
Stephanie R. Porter
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
NP95008743 CA
AP220464 AZ
Self-reported in NPPES; status is on the state search
Practice location
3180 Willow LN Ste 216, Thousand Oaks, CA 91361
Phone
(805) 491-5992
Enumerated
Jun 8, 2018
Record last updated
Mar 24, 2025
Fax
(805) 283-4377
Medicare enrollment
Enrolled (PECOS I20180731000699); accepts Medicare assignment
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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Verify Stephanie R. Porter 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 NP95008743
    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

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

206 Medicare Part D claims for 97 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Stephanie Porter206
  2. Specialty average1,305

Most prescribed

  1. Clobetasol Propionate38 claims
  2. Ketoconazole36 claims
  3. Triamcinolone Acetonide23 claims
  4. Minoxidil13 claims
  5. Tretinoin12 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.

Industry payments in 2024: $1,965.05

79 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Porter$1,965.05
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dr Mayha Patel IncWestlake Village, CA

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

Stephanie R. Porter among 16,966 family nurse practitioner records in California

Stephanie R. Porter, NP 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 2018, is newer than 45% of them.

  • NPI issued2018 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2017 · median 2019 among the 6,793 with a school on file
  • Record last updated2025 · 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. Sandra Corrigan, FNP-BC, CNNThousand Oaks, CA 913611386877579
  2. Sandra Desgrey, FNPThousand Oaks, CA 913611881078988
  3. Christine Farrell, MSN FNP-CThousand Oaks, CA 913611215197033
  4. Meredith George, FNPThousand Oaks, CA 913611922417120
  5. Aurelia Gharzuzi Ciuica, FNP-BCWestlake Village, CA 913611770935389
  6. Adina Gregor, FNPWestlake Village, CA 913611851806301
  7. Miki HaraguniThousand Oaks, CA 913611104368869
  8. Robin Hull, NP-CThousand Oaks, CA 913611053676601

Common questions

What is Stephanie R. Porter, NP's NPI number?

Stephanie R. Porter, NP's National Provider Identifier (NPI) is 1396238929, issued on Jun 8, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie R. Porter, NP located?

The NPPES record lists a practice address at 3180 Willow LN Ste 216, Thousand Oaks, CA, 91361. Phone: (805) 491-5992. Providers update this record themselves, so call before visiting.

How can I verify Stephanie R. Porter, NP's license?

NPPES lists California license number NP95008743, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie R. Porter, NP prescribe under Medicare Part D?

In 2024, Stephanie R. Porter, NP had 206 Medicare Part D claims for 97 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.