Derek Hennessy, PA-C
Physician Assistant · Spokane, WA
Derek Hennessy, PA-C is a physician assistant with a practice address in Spokane, Washington, and NPI 1073685285, issued on Nov 14, 2006. Check the license (Washington PA10004720, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Hennessy
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10004720 WA
Self-reported in NPPES; status is on the state search - Practice location
- 322 W North River Dr, Spokane, WA 99201
- Phone
- (509) 276-5005
- Enumerated
- Nov 14, 2006
- Record last updated
- Apr 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (509) 276-7785
- Medicare enrollment
- Enrolled (PECOS I20061212000465); 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 322 W North River Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Altman, RRH, CDEPharmacist1578551420
- Kirsten Anderson, MDFamily Medicine Physician1639609803
- Walter Balek, MDFamily Medicine Physician1902916943
- Steven Blum, O.D.Optometrist1376680983
- Stacey Boomer, PA-CPhysician Assistant1790835932
- Brenda Bray, PHPharmacist1548483878
Verify Derek Hennessy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average physician assistant in 2024
3,534 Medicare Part D claims for 423 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 251 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen180 claims
- Levothyroxine Sodium140 claims
- Gabapentin110 claims
- Atorvastatin Calcium102 claims
- Omeprazole102 claims
- Lisinopril96 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
- Kaiser Foundation Health Plan OF WashingtonSpokane, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Hennessy among 3,718 physician assistant records in Washington
Derek Hennessy, 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2017 among the 2,460 with a school on file
- Record last updated2021 · 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
- Stacey Boomer, PA-CSpokane, WA 992011790835932
- Donald Coerver, PHYSICIAN ASSISTANTSpokane, WA 992011841407244
- Christopher Cox, PA-CSpokane, WA 992011912301649
- Miranda Detore, PA-CSpokane, WA 992011720471774
- Christian Gutsche, PA-CSpokane, WA 992011225311624
- Charles Houchin, PA-CSpokane, WA 992011932451796
- Rizwan Khan, P.A.Spokane, WA 992011104145481
- Harry Lawrence, PA-CSpokane, WA 992011477962652
Common questions
What is Derek Hennessy, PA-C's NPI number?
Derek Hennessy, PA-C's National Provider Identifier (NPI) is 1073685285, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek Hennessy, PA-C located?
The NPPES record lists a practice address at 322 W North River Dr, Spokane, WA, 99201. Phone: (509) 276-5005. Providers update this record themselves, so call before visiting.
How can I verify Derek Hennessy, PA-C's license?
NPPES lists Washington license number PA10004720, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Hennessy, PA-C prescribe under Medicare Part D?
In 2024, Derek Hennessy, PA-C had 3,534 Medicare Part D claims for 423 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.