Gretha Elizabeth Eifert Lewis, PA-C
Physician Assistant · Wenatchee, WA
Gretha Elizabeth Eifert Lewis, PA-C is a physician assistant with a practice address in Wenatchee, Washington, and NPI 1760118327, issued on Jul 26, 2022. Check the license (Washington PA61333180, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretha Elizabeth Eifert Lewis
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA61333180 WA
Self-reported in NPPES; status is on the state search - Practice location
- 820 N Chelan Ave, Wenatchee, WA 98801
- Phone
- (509) 663-8711
- Enumerated
- Jul 26, 2022
- Record last updated
- Aug 9, 2022
- Medicare enrollment
- Enrolled (PECOS I20220825002304); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 820 N Chelan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gretha Elizabeth Eifert Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA61333180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average physician assistant in 2024
868 Medicare Part D claims for 299 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 32 claims were for opioids.
Most prescribed
- Tamsulosin Hcl197 claims
- Myrbetriq168 claims
- Finasteride96 claims
- Trospium Chloride61 claims
- Estradiol34 claims
- Methenamine Hippurate33 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: $42.75
2 payments; by number, the most common kind was food and beverage; the largest payer was Progenics Pharmaceuticals, 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
- Central Washington Health Services AssociationWenatchee, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretha Elizabeth Eifert Lewis among 3,718 physician assistant records in Washington
Gretha Elizabeth Eifert Lewis, PA-C 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 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2022 · median 2017 among the 2,460 with a school on file
- Record last updated2022 · 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).
68 physician assistant records list a practice address in Wenatchee
They are 68 of the 2,290 NPPES records with a practice address in Wenatchee, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Wenatchee → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Richard Allen, PA-CWenatchee, WA 988011508856410
- Beth Blankenship, PA-CWenatchee, WA 988011437240181
- Tracie Carter, PA-CWenatchee, WA 988011851406680
- Vickie Chase, PA-CWenatchee, WA 988011649382888
- Linda Dale, LINDA DALEWenatchee, WA 988011508069626
- Sandra Guidotti, PA-CWenatchee, WA 988011235142910
- Flicka Korfiatis, PA-CWenatchee, WA 988011518080456
- John Laughlin, PA, LMHCWenatchee, WA 988011689641896
Common questions
What is Gretha Elizabeth Eifert Lewis, PA-C's NPI number?
Gretha Elizabeth Eifert Lewis, PA-C's National Provider Identifier (NPI) is 1760118327, issued on Jul 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gretha Elizabeth Eifert Lewis, PA-C located?
The NPPES record lists a practice address at 820 N Chelan Ave, Wenatchee, WA, 98801. Phone: (509) 663-8711. Providers update this record themselves, so call before visiting.
How can I verify Gretha Elizabeth Eifert Lewis, PA-C's license?
NPPES lists Washington license number PA61333180, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Gretha Elizabeth Eifert Lewis, PA-C prescribe under Medicare Part D?
In 2024, Gretha Elizabeth Eifert Lewis, PA-C had 868 Medicare Part D claims for 299 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.