Stephen D. Hennessey, MD
General Practice Physician · Chehalis, WA
Stephen D. Hennessey, MD is a general practice physician with a practice address in Chehalis, Washington, and NPI 1376544098, issued on Aug 3, 2005. Check the license (Washington MD00025264, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen D. Hennessey
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- MD00025264 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2690 NE Kresky Ave, Chehalis, WA 98532
- Phone
- (360) 330-9595
- Enumerated
- Aug 3, 2005
- Record last updated
- Oct 31, 2022
- Fax
- (360) 330-9560
- Medicaid ID
- 1008874 WA
- Medicare enrollment
- Enrolled (PECOS I20061229000313); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1983
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 388 in Washington → Look up another NPI →
Also registered at 2690 NE Kresky Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Britney AllisonFamily Nurse Practitioner1568116796
- Mardona Anderson, LMHCMental Health Counselor1790939569
- Sarah Bagby, PHARMDPharmacist1194178400
- Monte Caldwell, RDHDental Hygienist1164704862
- David Caulfield, ARNPFamily Nurse Practitioner1851446553
- Amanda Cordero, DMDDentist1740696004
Verify Stephen D. Hennessey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00025264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average general practice physician in 2024
429 Medicare Part D claims for 292 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin52 claims
- Amoxicillin47 claims
- Prednisone46 claims
- Nitrofurantoin Mono-Macro35 claims
- Cephalexin19 claims
- Sulfamethoxazole-Trimethoprim19 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
- Lewis County Community Health ServicesToledo, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen D. Hennessey among 388 general practice physician records in Washington
Stephen D. Hennessey, MD is one of 388 general practice physician records with a practice address in Washington. 28% 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 · 28% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1983 · median 2002 among the 43 with a school on file
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Washington
There are 388 general practice physician records in Washington.
All 388 in Washington → Every provider in Chehalis → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Thomas Cooke, D.O.Chehalis, WA 985321255427902
- David Little, DOChehalis, WA 985321992749915
- Joseph Wiley, MDCentralia, WA 985311265594196
- Jared Bruce, DOLacey, WA 985161295272433
- Curtis Edwards, M.D.Olympia, WA 985161336474816
- Frank Hing, MDSouth Bend, WA 985061669439659
- Fernando Irizarry, M.D.Olympia, WA 985061851456081
- Mark Urmanski, M.DOlympia, WA 985061467574863
Common questions
What is Stephen D. Hennessey, MD's NPI number?
Stephen D. Hennessey, MD's National Provider Identifier (NPI) is 1376544098, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen D. Hennessey, MD located?
The NPPES record lists a practice address at 2690 NE Kresky Ave, Chehalis, WA, 98532. Phone: (360) 330-9595. Providers update this record themselves, so call before visiting.
How can I verify Stephen D. Hennessey, MD's license?
NPPES lists Washington license number MD00025264, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen D. Hennessey, MD prescribe under Medicare Part D?
In 2024, Stephen D. Hennessey, MD had 429 Medicare Part D claims for 292 beneficiaries; the average among general practice physician prescribers was 3,030. 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.