Shannon Vanantwerp, PA-C
NPI 1902523905 · Physician Assistant · Billings, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Vanantwerp, PA-C is a Physician Assistant provider in Billings, MT (NPI 1902523905).
Provider details
- NPI number
- 1902523905
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MED-PAC-LIC-117108 (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
3 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
386 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $57 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 48 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $80 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 84 | 37 |
| Omeprazole | 78 | 36 |
| Levothyroxine Sodium | 68 | 29 |
| Lisinopril | 60 | 23 |
| Losartan Potassium | 52 | 25 |
| Gabapentin | 51 | 18 |
| Simvastatin | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-10-20
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Shannon Vanantwerp's NPI number?
- Shannon Vanantwerp's National Provider Identifier (NPI) is 1902523905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Vanantwerp's specialty?
- Shannon Vanantwerp is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shannon Vanantwerp located?
- Shannon Vanantwerp's practice location on file with NPPES is 760 Wicks Ln, Billings, MT 59105-4427.
- What is Shannon Vanantwerp's phone number?
- The practice phone number listed in the NPPES registry for Shannon Vanantwerp is (406) 238-2900.
- Does Shannon Vanantwerp accept Medicare?
- Shannon Vanantwerp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Vanantwerp's NPI active?
- Yes — Shannon Vanantwerp's NPI (1902523905) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.