Irene Gerda Bayer, P.A.
Physician Assistant · Spokane, WA
Irene Gerda Bayer, P.A. is a physician assistant with a practice address in Spokane, Washington, and NPI 1578995288, issued on Aug 5, 2013. Check the license (Washington PA10004453, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene Gerda Bayer
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10004453 WA
Self-reported in NPPES; status is on the state search - Practice location
- 309 E Farwell RD Ste 206, Spokane, WA 99218
- Phone
- (509) 484-4591
- Enumerated
- Aug 5, 2013
- Record last updated
- Feb 10, 2023
- Fax
- (509) 484-7882
- Medicare enrollment
- Enrolled (PECOS I20130909000249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 309 E Farwell RD Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephnie HansenMassage Therapist1104144542
Verify Irene Gerda Bayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average physician assistant in 2024
329 Medicare Part D claims for 124 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Clobetasol Propionate30 claims
- Doxycycline Monohydrate30 claims
- Doxycycline Hyclate15 claims
- Triamcinolone Acetonide15 claims
- Azelaic Acid14 claims
- Fluconazole14 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: $1,320.27
69 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
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
- Dermatology Clinic OF Spokane PCSpokane, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irene Gerda Bayer among 3,718 physician assistant records in Washington
Irene Gerda Bayer, P.A. is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 42% of them.
- NPI issued2013 · 42% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2017 among the 2,460 with a school on file
- Record last updated2023 · 48% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 physician assistant records list a practice address in Spokane
They are 315 of the 14,049 NPPES records with a practice address in Spokane, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Spokane → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- John Begley, PASpokane, WA 992181912152604
- John Boyd, PA-CSpokane, WA 992181073582847
- Anthony Caffarelli, P.A.Spokane, WA 992181609977669
- Dan Dami, PA-CSpokane, WA 992181386636249
- Daniel Depner, PA-CSpokane, WA 992181851492771
- Portia Kamps, PA-CSpokane, WA 992181366631731
- Katherine Koncz, PA-CSpokane, WA 992181336131937
- Pamela Lancaster, PASpokane, WA 992181366474371
Common questions
What is Irene Gerda Bayer, P.A.'s NPI number?
Irene Gerda Bayer, P.A.'s National Provider Identifier (NPI) is 1578995288, issued on Aug 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Irene Gerda Bayer, P.A. located?
The NPPES record lists a practice address at 309 E Farwell RD Ste 206, Spokane, WA, 99218. Phone: (509) 484-4591. Providers update this record themselves, so call before visiting.
How can I verify Irene Gerda Bayer, P.A.'s license?
NPPES lists Washington license number PA10004453, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Irene Gerda Bayer, P.A. prescribe under Medicare Part D?
In 2024, Irene Gerda Bayer, P.A. had 329 Medicare Part D claims for 124 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.