NPPES file of Aug 9, 2026

Isabella Corinne Gieck, PA-C

Physician Assistant · Visalia, CA

Isabella Corinne Gieck, PA-C is a physician assistant with a practice address in Visalia, California, and NPI 1699469924, issued on Jun 8, 2023. Check the license 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
1699469924
Name
Isabella Corinne Gieck
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
401 E School Ave, Visalia, CA 93291
Phone
(877) 960-3426
Enumerated
Jun 8, 2023
Record last updated
Jun 8, 2023
Medicare enrollment
Enrolled (PECOS I20260323003512); may accept 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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Also registered at 401 E School Ave

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

  1. Tigon Abalos, DDSGeneral Practice Dentistry1114475845
  2. Namrata Adhikari, MDInternal Medicine Physician1174135214
  3. Michael Andersen, PA-CMedical Physician Assistant1144143330
  4. Sinit BerheNurse Practitioner1386338515
  5. Diana Belen Bermudez Chicango, MDPediatrics Physician1063905149
  6. Sabita BhattaPediatrics Physician1326533753

Verify Isabella Corinne Gieck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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53% fewer Medicare Part D claims than the average physician assistant in 2024

394 Medicare Part D claims for 101 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Isabella Gieck394
  2. Specialty average830

Most prescribed

  1. Lisinopril35 claims
  2. Atorvastatin Calcium30 claims
  3. Amlodipine Besylate24 claims
  4. Losartan Potassium19 claims
  5. Metformin Hcl19 claims
  6. Fluticasone Propionate12 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: $22.63

1 payment: food and beverage; the largest payer was Organon Llc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Isabella Gieck$22.63
  2. Specialty average$841.65

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

Isabella Corinne Gieck among 14,451 physician assistant records in California

Isabella Corinne Gieck, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2024 · median 2018 among the 7,214 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

108 physician assistant records list a practice address in Visalia

They are 108 of the 4,225 NPPES records with a practice address in Visalia, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. William Barreto, PA-CVisalia, CA 932911073585725
  2. Robert Cardenas, PA-CVisalia, CA 932911497703284
  3. Rosanna Carrillo, PHYSICIAN ASSISTANTVisalia, CA 932911043439557
  4. Travis Chapin, PA-CVisalia, CA 932911376554055
  5. Jose Corvera, P.A-CVisalia, CA 932911134230428
  6. Tate Gordon, PA-CVisalia, CA 932911457386765
  7. Marvin Jones, NP/PA-CVisalia, CA 932911568472264
  8. Paul Lee, PA-CVisalia, CA 932911043474737

Common questions

What is Isabella Corinne Gieck, PA-C's NPI number?

Isabella Corinne Gieck, PA-C's National Provider Identifier (NPI) is 1699469924, issued on Jun 8, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Isabella Corinne Gieck, PA-C located?

The NPPES record lists a practice address at 401 E School Ave, Visalia, CA, 93291. Phone: (877) 960-3426. Providers update this record themselves, so call before visiting.

How can I verify Isabella Corinne Gieck, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Isabella Corinne Gieck, PA-C prescribe under Medicare Part D?

In 2024, Isabella Corinne Gieck, PA-C had 394 Medicare Part D claims for 101 beneficiaries; the average among physician assistant prescribers was 830. 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.