Doctor profile · Federal record
Dr. Michelle Happenny, DO
Family Medicine Physician (CMS: Family Practice) · Seattle, WA
- NPI 1366833147
- Accepts Medicare
- 9 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1600 E Jefferson St Ste 510
Seattle, WA 981225648
(206) 320-4888
fax (206) 320-4203
Credentials & registration
- NPI registered
- February 2015 — 11 yrs on file
- Profile last updated
- September 21, 2020
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Washington #OP60971132
- Medicaid
- WA #1366833147
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366833147. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
97
Distinct HCPCS
3
Medicare allowed
$12,904
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 60 | 44 | $138 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 22 | 22 | $142 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 15 | $100 |
In context: peer comparison
Among 154 peers in this city , average services per provider: 61. This provider delivers 1.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
441
Patients
95
Total drug cost
$6,120
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 73 | 27 | $827 |
| Levothyroxine Sodium | Generic | 49 | 15 | $780 |
| Amlodipine Besylate | Generic | 48 | 20 | $274 |
| Rosuvastatin Calcium | Generic | 46 | 0 | $764 |
| Losartan Potassium | Generic | 36 | 11 | $664 |
| Lisinopril | Generic | 33 | 11 | $191 |
| Trazodone Hcl | Generic | 30 | 11 | $384 |
| Omeprazole | Generic | 18 | 0 | $549 |
| Alendronate Sodium | Generic | 16 | 0 | $333 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 16 | 0 | $289 |
Hospital affiliations
Frequently asked questions
What is Dr. Michelle Happenny's medical specialty?
Dr. Michelle Happenny practices Family Medicine Physician in Seattle, WA.
Where does Dr. Michelle Happenny practice?
Dr. Michelle Happenny practices at 1600 E Jefferson St Ste 510, Seattle, WA 981225648. Office phone: 2063204888.
What is Dr. Michelle Happenny's NPI?
Dr. Michelle Happenny's National Provider Identifier (NPI) is 1366833147, issued by NPPES.
Does Dr. Michelle Happenny accept Medicare assignment?
Yes. Dr. Michelle Happenny accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Happenny commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.