Gregory D. Fisk, PAC
Physician Assistant · Omak, WA
Gregory D. Fisk, PAC is a physician assistant with a practice address in Omak, Washington, and NPI 1164409637, issued on Dec 27, 2005. Check the license (Washington PA60149531, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Fisk
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60149531 WA
Self-reported in NPPES; status is on the state search - Practice location
- 529 Jasmine St, Omak, WA 98841
- Phone
- (509) 826-1600
- Enumerated
- Dec 27, 2005
- Record last updated
- Apr 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (509) 826-3633
- Medicaid ID
- 8439796 WA
- Medicare enrollment
- Enrolled (PECOS I20080415000626); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 529 Jasmine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gayle Grubich, ARNPPrimary Care Nurse Practitioner1396729794
- Robert Johansen, PA-CPhysician Assistant1639452618
Verify Gregory D. Fisk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60149531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physician assistant in 2024
78 Medicare Part D claims for 19 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam29 claims
- Pramipexole Dihydrochloride13 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.
Bills Medicare through one group practice
- Okanogan Douglas County Hospital Dist 1Brewster, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory D. Fisk among 3,718 physician assistant records in Washington
Gregory D. Fisk, PAC 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% 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 updated2016 · 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).
14 physician assistant records list a practice address in Omak
They are 14 of the 363 NPPES records with a practice address in Omak, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Omak → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christine Bentley, PAOmak, WA 988411083997506
- Christie Bruno, PACOmak, WA 988411134117260
- Emily BuckinghamOmak, WA 988411851987929
- Andrew Conboy, PA-COmak, WA 988411225557044
- Nancy Espelin, PAOmak, WA 988411891971099
- Talyn GrayOmak, WA 988411194063602
- Robert Johansen, PA-COmak, WA 988411639452618
- Kerry Mayhew, PA-COmak, WA 988411235244096
Common questions
What is Gregory D. Fisk, PAC's NPI number?
Gregory D. Fisk, PAC's National Provider Identifier (NPI) is 1164409637, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Fisk, PAC located?
The NPPES record lists a practice address at 529 Jasmine St, Omak, WA, 98841. Phone: (509) 826-1600. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Fisk, PAC's license?
NPPES lists Washington license number PA60149531, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory D. Fisk, PAC prescribe under Medicare Part D?
In 2024, Gregory D. Fisk, PAC had 78 Medicare Part D claims for 19 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.