Deanna Niles, PA-C
NPI 1881666261 · Physician Assistant · Billings, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deanna Niles, PA-C is a Physician Assistant provider in Billings, MT (NPI 1881666261).
Provider details
- NPI number
- 1881666261
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 643MT (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
20 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
60 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $65 |
Typical Medicare-allowed amounts for these services range $65–$65 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 36 | 13 |
| Atorvastatin Calcium | 31 | 11 |
| Metformin Hclbrand: Metformin Hcl Er | 25 | — |
| Levothyroxine Sodium | 25 | 11 |
| Hydrochlorothiazide | 24 | — |
| Lisinopril | 23 | — |
| Allopurinol | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-01
- Last updated
- 2023-03-07
Frequently asked questions
- What is Deanna Niles's NPI number?
- Deanna Niles's National Provider Identifier (NPI) is 1881666261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deanna Niles's specialty?
- Deanna Niles is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deanna Niles located?
- Deanna Niles's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.
- What is Deanna Niles's phone number?
- The practice phone number listed in the NPPES registry for Deanna Niles is (406) 967-2255.
- Does Deanna Niles accept Medicare?
- Deanna Niles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deanna Niles's NPI active?
- Yes — Deanna Niles's NPI (1881666261) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.