NPPES file of Aug 9, 2026

Linda Jean Pierog, NP

Nurse Practitioner · Orange, CA

Linda Jean Pierog, NP is a nurse practitioner with a practice address in Orange, California, and NPI 1427073295, issued on Jul 13, 2006. Check the license (California 15589, 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
1427073295
Name
Linda Jean Pierog
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
15589 CA
RN233694 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 West Stewart Drive, Orange, CA 92868
Phone
(714) 633-9111
Enumerated
Jul 13, 2006
Record last updated
Nov 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
RN233694 CA
Medicare enrollment
Enrolled (PECOS I20050810000857); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1100 West Stewart Drive

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

  1. Michael Anderson, MDEmergency Medicine Physician1093747750
  2. Rishi Bhargava, MDEmergency Medicine Physician1407811623
  3. Jonathan Blair, MDEmergency Medicine Physician1891727954
  4. Elizabeth Fiedler, MDEmergency Medicine Physician1578594529
  5. Geoffrey Green, PAMedical Physician Assistant1306878533
  6. Nicola Lowrey, PAMedical Physician Assistant1760419428

Verify Linda Jean Pierog 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 15589
    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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2.5 times the Medicare Part D claims of the average nurse practitioner in 2024

2,746 Medicare Part D claims for 762 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 15 claims were for opioids.

  1. Linda Pierog2,746
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium145 claims
  2. Rosuvastatin Calcium123 claims
  3. Levothyroxine Sodium105 claims
  4. Amlodipine Besylate90 claims
  5. Zolpidem Tartrate69 claims
  6. Losartan Potassium62 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: $144.63

14 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Linda Pierog$144.63
  2. Specialty average$791.64

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. Providence Medical FoundationFullerton, CA

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

Linda Jean Pierog among 8,223 nurse practitioner records in California

Linda Jean Pierog, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2005 · median 2017 among the 3,425 with a school on file
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 nurse practitioner records list a practice address in Orange

They are 147 of the 13,245 NPPES records with a practice address in Orange, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Mahnaz Baradar, N.P.Orange, CA 928681225113293
  2. Rita Ceja, NPOrange, CA 928681033201496
  3. Aiping Dai, NPOrange, CA 928681417053026
  4. Kathleen Doan, R.N., N.P.Orange, CA 928681447295001
  5. Susana Ertac, RN, NPOrange, CA 928681265547335
  6. Jennifer Hillyer, NPOrange, CA 928681154403335
  7. Veronica Kang, PMHNPOrange, CA 928681801815998
  8. Joon Myung, NPOrange, CA 928681518997030

Common questions

What is Linda Jean Pierog, NP's NPI number?

Linda Jean Pierog, NP's National Provider Identifier (NPI) is 1427073295, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Linda Jean Pierog, NP located?

The NPPES record lists a practice address at 1100 West Stewart Drive, Orange, CA, 92868. Phone: (714) 633-9111. Providers update this record themselves, so call before visiting.

How can I verify Linda Jean Pierog, NP's license?

NPPES lists California license number 15589, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Linda Jean Pierog, NP prescribe under Medicare Part D?

In 2024, Linda Jean Pierog, NP had 2,746 Medicare Part D claims for 762 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.