Doctor profile · Federal record
Dr. Terri Grosshans, PA-C
Surgical Physician Assistant (CMS: Physician Assistant) · Massage Therapist · Olympia, WA
- NPI 1790904613
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3909 9Th Ave Sw
Olympia, WA 985025134
(360) 570-3460
fax (360) 339-7266 - Mailing address
-
805 Madison St, Suite 901
Seattle, WA 981041172
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- April 18, 2023
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363AS0400X — NUCC code
- State licenses (2)
- Washington #PA60600225 · Washington #MA14739
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790904613. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,182
Distinct HCPCS
10
Medicare allowed
$73,661
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
20552 |
Injection of trigger points, 1-2 muscles | 178 | 72 | $43 | |
J1040 |
Injection, methylprednisolone acetate, 80 mg | 173 | 73 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 156 | 112 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 135 | 71 | $74 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 118 | 102 | $47 | |
22853 |
Insertion of cage or mesh device to spine bone and disc space during spine fusion | 70 | 32 | $33 | |
72084 |
X-ray of entire middle and lower spine, minimum of 6 views | 63 | 63 | $86 | |
72082 |
X-ray of entire middle and lower spine, 2-3 views | 35 | 34 | $61 | |
22634 |
Fusion of additional segment of spine with partial removal of spine bone and disc | 26 | 14 | $63 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $95 |
In context: peer comparison
Among 2 peers in Olympia Surgical Physician Assistant, average services per provider: 191. This provider delivers 6.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
941
Patients
464
Total drug cost
$13,913
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 275 | 82 | $5,731 |
| Oxycodone Hcl | Generic | 126 | 94 | $910 |
| Diclofenac Sodium | Generic | 110 | 45 | $1,561 |
| Cyclobenzaprine Hcl | Generic | 80 | 37 | $986 |
| Methocarbamol | Generic | 80 | 48 | $894 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 41 | 33 | $344 |
| Diazepam | Generic | 38 | 35 | $51 |
| Tizanidine Hcl | Generic | 38 | 14 | $492 |
| Ondansetron Hcl | Generic | 36 | 32 | $265 |
| Celecoxib | Generic | 33 | 0 | $890 |
Hospital affiliations
Frequently asked questions
What is Dr. Terri Grosshans's medical specialty?
Dr. Terri Grosshans practices Surgical Physician Assistant in Olympia, WA.
Where does Dr. Terri Grosshans practice?
Dr. Terri Grosshans practices at 3909 9Th Ave Sw, Olympia, WA 985025134. Office phone: 3605703460.
What is Dr. Terri Grosshans's NPI?
Dr. Terri Grosshans's National Provider Identifier (NPI) is 1790904613, issued by NPPES.
Does Dr. Terri Grosshans accept Medicare assignment?
Yes. Dr. Terri Grosshans accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terri Grosshans commonly perform?
Top Medicare-reported procedures in 2023: Injection of trigger points, 1-2 muscles (HCPCS 20552); Injection, methylprednisolone acetate, 80 mg (HCPCS J1040); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.