Jillian Margaret Grzeskiewicz, APRN
Psychiatric/Mental Health Nurse Practitioner · Gunnison, CO
Jillian Margaret Grzeskiewicz, APRN is a psychiatric/mental health nurse practitioner with a practice address in Gunnison, Colorado, and NPI 1265170112, issued on May 21, 2022. Check the license (Colorado C-APN.0100340-C-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jillian Margaret Grzeskiewicz
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- C-APN.0100340-C-NP CO
26095 SC
Self-reported in NPPES; status is on the state search - Practice location
- 710 N Taylor St, Gunnison, CO 81230
- Phone
- (970) 252-3200
- Enumerated
- May 21, 2022
- Record last updated
- Feb 9, 2026
- Fax
- (970) 259-2438
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,336 in Colorado → Look up another NPI →
Also registered at 710 N Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Barnhart, M.D.Psychiatry Physician1245319573
- Belinda Beal, LPC CAC IIIProfessional Counselor1942234943
- Kimberly Behounek, LPCProfessional Counselor1457575623
- Meghan Dougherty, BAMental Health Counselor1154792786
- Michelle Elias, LPC , CACIIIProfessional Counselor1922420405
- Austin GibneyStudent in an Organized Health Care Education/Training Program1588214563
Verify Jillian Margaret Grzeskiewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license C-APN.0100340-C-NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,150 Medicare Part D claims for 56 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Olanzapine69 claims
- Clozapine66 claims
- Duloxetine Hcl58 claims
- Divalproex Sodium50 claims
- Mirtazapine49 claims
- Aripiprazole48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Jillian Margaret Grzeskiewicz among 1,336 psychiatric/mental health nurse practitioner records in Colorado
Jillian Margaret Grzeskiewicz, APRN is one of 1,336 psychiatric/mental health nurse practitioner records with a practice address in Colorado. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 56% of them.
- NPI issued2022 · 56% of these records are older, 35% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2026 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 psychiatric/mental health nurse practitioner records list a practice address in Gunnison
They are 5 of the 223 NPPES records with a practice address in Gunnison, and 1,336 psychiatric/mental health nurse practitioner records in Colorado.
All 1,336 in Colorado → Every provider in Gunnison → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Laura Rogers, MS, EDS, MSN, PMHNPGunnison, CO 812301740318823
- Jennifer Sherburne, MSN, APRNGunnison, CO 812301992255871
- Willa Shields, APN, FMHNP-BCGunnison, CO 812301609005156
- Elizabeth StevensonGunnison, CO 812301497486450
- Grace Adam Elliott, APN, FNP-C, PMHNP-BCCrested Butte, CO 812241609548494
- Julie Bremer, PMHNP-BCCrested Butte, CO 812241518613934
- Teresa HoskinsCanon City, CO 812121033309927
- Rajani Kollikara, AAS, RN, PMHNPCanon City, CO 812121104256676
Common questions
What is Jillian Margaret Grzeskiewicz, APRN's NPI number?
Jillian Margaret Grzeskiewicz, APRN's National Provider Identifier (NPI) is 1265170112, issued on May 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Margaret Grzeskiewicz, APRN located?
The NPPES record lists a practice address at 710 N Taylor St, Gunnison, CO, 81230. Phone: (970) 252-3200. Providers update this record themselves, so call before visiting.
How can I verify Jillian Margaret Grzeskiewicz, APRN's license?
NPPES lists Colorado license number C-APN.0100340-C-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Jillian Margaret Grzeskiewicz, APRN prescribe under Medicare Part D?
In 2024, Jillian Margaret Grzeskiewicz, APRN had 1,150 Medicare Part D claims for 56 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.