Doctor profile · Federal record
Dr. Jillian Grzeskiewicz, APRN
Psychiatric/Mental Health Nurse Practitioner · Psychiatric/Mental Health Nurse Practitioner · Gunnison, CO
- NPI 1265170112
- 4 yrs on file
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
710 N Taylor St
Gunnison, CO 812302244
(970) 252-3200
fax (970) 259-2438 - Mailing address
-
150 Mercury Village Dr
Durango, CO 813018955
Credentials & registration
- NPI registered
- May 2022 — 4 yrs on file
- Profile last updated
- February 9, 2026
- Specialty taxonomy
- 363LP0808X — NUCC code
- State licenses (2)
- Colorado #C-APN.0100340-C-NP · South Carolina #26095
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265170112. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
74
Distinct HCPCS
3
Medicare allowed
$6,169
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 21 | $82 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 20 | $56 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 17 | $121 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 28. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
247
Patients
0
Total drug cost
$5,298
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Olanzapine | Generic | 25 | 0 | $477 |
| Clonazepam | Generic | 23 | 0 | $321 |
| Gabapentin | Generic | 22 | 0 | $229 |
| Duloxetine Hcl | Generic | 21 | 0 | $836 |
| Lorazepam | Generic | 21 | 0 | $52 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 19 | 0 | $156 |
| Lamotrigine | Generic | 19 | 0 | $213 |
| Trazodone Hcl | Generic | 18 | 0 | $365 |
| Divalproex Sodium | Generic | 17 | 0 | $185 |
| Zolpidem Tartrate | Generic | 16 | 0 | $51 |
Frequently asked questions
What is Dr. Jillian Grzeskiewicz's medical specialty?
Dr. Jillian Grzeskiewicz practices Psychiatric/Mental Health Nurse Practitioner in Gunnison, CO.
Where does Dr. Jillian Grzeskiewicz practice?
Dr. Jillian Grzeskiewicz practices at 710 N Taylor St, Gunnison, CO 812302244. Office phone: 9702523200.
What is Dr. Jillian Grzeskiewicz's NPI?
Dr. Jillian Grzeskiewicz's National Provider Identifier (NPI) is 1265170112, issued by NPPES.
What procedures does Dr. Jillian Grzeskiewicz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.