Doctor profile · Federal record
Dr. Gia Hemmen, MD
Family Medicine Physician (CMS: Family Practice) · Adult Medicine Physician · Redmond, WA
- NPI 1205858123
- Accepts Medicare
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18100 Ne Union Hill RD Ste 200
Redmond, WA 980523330
(206) 320-5190
fax (206) 320-5191 - Mailing address
-
Po Box 25608
Salt Lake City, UT 841250608
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- February 24, 2026
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Washington #MD00035217
- Medicaid
- WA #1043248
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205858123. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
456
Distinct HCPCS
4
Medicare allowed
$49,393
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 303 | 128 | $102 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 89 | 89 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 43 | $70 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 14 | $155 |
In context: peer comparison
Among 15 peers in Redmond Family Medicine Physician, average services per provider: 65. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,251
Patients
862
Total drug cost
$46,194
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 522 | 139 | $6,586 |
| Levothyroxine Sodium | Generic | 347 | 81 | $5,682 |
| Amlodipine Besylate | Generic | 328 | 90 | $2,388 |
| Losartan Potassium | Generic | 316 | 74 | $5,258 |
| Gabapentin | Generic | 228 | 57 | $7,020 |
| Furosemide | Generic | 220 | 46 | $1,380 |
| Lisinopril | Generic | 220 | 68 | $1,981 |
| Omeprazole | Generic | 199 | 48 | $3,393 |
| Metformin Hcl | Generic | 144 | 40 | $1,971 |
| Metoprolol Succinate | Generic | 140 | 38 | $2,471 |
Frequently asked questions
What is Dr. Gia Hemmen's medical specialty?
Dr. Gia Hemmen practices Family Medicine Physician in Redmond, WA.
Where does Dr. Gia Hemmen practice?
Dr. Gia Hemmen practices at 18100 Ne Union Hill RD Ste 200, Redmond, WA 980523330. Office phone: 2063205190.
What is Dr. Gia Hemmen's NPI?
Dr. Gia Hemmen's National Provider Identifier (NPI) is 1205858123, issued by NPPES.
Does Dr. Gia Hemmen accept Medicare assignment?
Yes. Dr. Gia Hemmen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gia Hemmen 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.