Dana Hillyer, APRN
NPI 1154484970 · Psychiatric/Mental Health Clinical Nurse Specialist · Helena, MT
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dana Hillyer, APRN is a Psychiatric/Mental Health Clinical Nurse Specialist provider in Helena, MT (NPI 1154484970).
Provider details
- NPI number
- 1154484970
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20925 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
573 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 540 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $102 |
Typical Medicare-allowed amounts for these services range $69–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 583 | 36 |
| Lamotrigine | 484 | 40 |
| Levothyroxine Sodium | 454 | 32 |
| Lithium Carbonate | 301 | 19 |
| Haloperidol | 202 | — |
| Quetiapine Fumaratebrand: Quetiapine Fumarate Er | 159 | — |
| Aripiprazole | 156 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2008-01-22
Frequently asked questions
- What is Dana Hillyer's NPI number?
- Dana Hillyer's National Provider Identifier (NPI) is 1154484970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dana Hillyer's specialty?
- Dana Hillyer is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dana Hillyer located?
- Dana Hillyer's practice location on file with NPPES is 1125 Missoula Ave, Helena, MT 59601-3801.
- What is Dana Hillyer's phone number?
- The practice phone number listed in the NPPES registry for Dana Hillyer is (406) 495-1515.
- Does Dana Hillyer accept Medicare?
- Dana Hillyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dana Hillyer's NPI active?
- Yes — Dana Hillyer's NPI (1154484970) is active in the NPPES registry as of the last update on 2008-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.