Doctor profile · Federal record
Dr. Stephen Hennessey, MD
General Practice Physician (CMS: General Practice) · Chehalis, WA
- NPI 1376544098
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2690 Ne Kresky Ave
Chehalis, WA 985322412
(360) 330-9595
fax (360) 330-9560
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- October 31, 2022
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 208D00000X — NUCC code
- State license (1)
- Washington #MD00025264
- Medicaid
- WA #1008874
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376544098. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
111
Distinct HCPCS
3
Medicare allowed
$1,210
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 51 | 48 | $16 | |
81002 |
Urinalysis, manual test | 45 | 40 | $3 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 15 | 15 | $16 |
In context: peer comparison
Among 1 peers in Chehalis General Practice Physician, average services per provider: 37. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
402
Patients
381
Total drug cost
$4,048
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 73 | 70 | $407 |
| Prednisone | Generic | 72 | 67 | $363 |
| Azithromycin | Generic | 71 | 66 | $431 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 70 | 65 | $1,421 |
| Cephalexin | Generic | 28 | 28 | $212 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 24 | 21 | $503 |
| Ciprofloxacin Hcl | Generic | 19 | 19 | $214 |
| Doxycycline Hyclate | Generic | 17 | 17 | $288 |
| Baclofen | Generic | 15 | 15 | $153 |
| Fluconazole | Generic | 13 | 13 | $56 |
Frequently asked questions
What is Dr. Stephen Hennessey's medical specialty?
Dr. Stephen Hennessey practices General Practice Physician in Chehalis, WA.
Where does Dr. Stephen Hennessey practice?
Dr. Stephen Hennessey practices at 2690 Ne Kresky Ave, Chehalis, WA 985322412. Office phone: 3603309595.
What is Dr. Stephen Hennessey's NPI?
Dr. Stephen Hennessey's National Provider Identifier (NPI) is 1376544098, issued by NPPES.
Does Dr. Stephen Hennessey accept Medicare assignment?
Yes. Dr. Stephen Hennessey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Hennessey commonly perform?
Top Medicare-reported procedures in 2023: Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880); Urinalysis, manual test (HCPCS 81002); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.