NPPES file of Aug 9, 2026

Katy Holder, PA-C

Physician Assistant · Meridian, ID

Katy Holder, PA-C is a physician assistant with a practice address in Meridian, Idaho, and NPI 1427143346, issued on Oct 4, 2006. Check the license (Idaho PA-635, as entered in NPPES) with the Idaho 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
1427143346
Name
Katy Holder
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA-635 ID
Self-reported in NPPES; status is on the state search
Practice location
2855 E Magic View Dr, Meridian, ID 83642
Phone
(208) 639-4900
Enumerated
Oct 4, 2006
Record last updated
Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(208) 639-4901
Medicare enrollment
Enrolled (PECOS I20080625000395); 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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Also registered at 2855 E Magic View Dr

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

  1. Lee Conrad, PA-CPhysician Assistant1114140910
  2. Heather Crandall, CST CFASurgical Technologist1942356647
  3. Cynthia Fairfax, M.D.Urology Physician1417906330
  4. John Greer, M.D.Urology Physician1356393227
  5. Dani HammerSurgical Assistant1912687427
  6. Stephanie Hodson, MDHematology & Oncology Physician1265478374

Verify Katy Holder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Idaho board licenses this profession
    Search for license PA-635
    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 Idaho 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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2.7 times the Medicare Part D claims of the average physician assistant in 2024

2,281 Medicare Part D claims for 674 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 91 claims were for opioids.

  1. Katy Holder2,281
  2. Specialty average830

Most prescribed

  1. Myrbetriq351 claims
  2. Methenamine Hippurate270 claims
  3. Gemtesa173 claims
  4. Cephalexin161 claims
  5. Tamsulosin Hcl153 claims
  6. Estradiol137 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): 57.4 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 score72.4
  2. Costout of 100 · 30%69.0
  3. Promoting interoperabilityout of 100 · 25%0.0
  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).

Industry payments in 2024: $122.01

5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. Katy Holder$122.01
  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.

Bills Medicare through one group practice

  1. Idaho Urologic Institute PABoise, ID

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

Katy Holder among 1,250 physician assistant records in Idaho

Katy Holder, PA-C is one of 1,250 physician assistant records with a practice address in Idaho. 87% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 82% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2006 · median 2017 among the 961 with a school on file
  • Record last updated2021 · 35% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

135 physician assistant records list a practice address in Meridian

They are 135 of the 2,980 NPPES records with a practice address in Meridian, and 1,250 physician assistant records in Idaho.

The 8 physician assistant records with the nearest ZIP codes

  1. Alexander Arhets, PA-CMeridian, ID 836421013956853
  2. Albert Bickford, PA-CMeridian, ID 836421124092101
  3. Rylan Chan, PACMeridian, ID 836421306874623
  4. Brandie Collins, PAMeridian, ID 836421124077151
  5. Stephen Frelly, PAMeridian, ID 836421114966959
  6. Brian Friedt, PHYSICIANS ASSISTANTMeridian, ID 836421568499713
  7. Jeremy Frix, PAMeridian, ID 836421164450862
  8. Rebecca Goodspeed, PAMeridian, ID 836421750327797

Common questions

What is Katy Holder, PA-C's NPI number?

Katy Holder, PA-C's National Provider Identifier (NPI) is 1427143346, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katy Holder, PA-C located?

The NPPES record lists a practice address at 2855 E Magic View Dr, Meridian, ID, 83642. Phone: (208) 639-4900. Providers update this record themselves, so call before visiting.

How can I verify Katy Holder, PA-C's license?

NPPES lists Idaho license number PA-635, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.

How much does Katy Holder, PA-C prescribe under Medicare Part D?

In 2024, Katy Holder, PA-C had 2,281 Medicare Part D claims for 674 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Katy Holder, PA-C's MIPS final score?

The 2023 MIPS final score is 57.4 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.