Shawn Plunkett, ARNP
NPI 1821481045 · Psychiatric/Mental Health Nurse Practitioner · Waterloo, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Plunkett, ARNP is a Psychiatric/Mental Health Nurse Practitioner provider in Waterloo, IA (NPI 1821481045).
Provider details
- NPI number
- 1821481045
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- No
- License
- 135908 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
112 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 | 59 | $98 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 53 | $56 |
Typical Medicare-allowed amounts for these services range $56–$98 (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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 182 | 40 |
| Lamotrigine | 173 | 26 |
| Buspirone Hcl | 129 | 24 |
| Trazodone Hcl | 122 | 25 |
| Lorazepam | 108 | 22 |
| Duloxetine Hcl | 96 | 18 |
| Alprazolam | 94 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-12
- Last updated
- 2022-07-21
Frequently asked questions
- What is Shawn Plunkett's NPI number?
- Shawn Plunkett's National Provider Identifier (NPI) is 1821481045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Plunkett's specialty?
- Shawn Plunkett is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shawn Plunkett located?
- Shawn Plunkett's practice location on file with NPPES is 146 W Dale St Ste 101, Waterloo, IA 50703-1901.
- What is Shawn Plunkett's phone number?
- The practice phone number listed in the NPPES registry for Shawn Plunkett is (319) 233-3351.
- Does Shawn Plunkett accept Medicare?
- Shawn Plunkett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Plunkett's NPI active?
- Yes — Shawn Plunkett's NPI (1821481045) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.