Sean Terwilliger, NP
NPI 1790272623 · Acute Care Nurse Practitioner · Cheverly, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Terwilliger, NP is a Acute Care Nurse Practitioner provider in Cheverly, MD (NPI 1790272623).
Provider details
- NPI number
- 1790272623
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- R210874 (MD)
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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
606 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 346 | $192 |
| Critical Care, Each Additional 30 Minutes99292 | 104 | $97 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 59 | $108 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 30 | $123 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 27 | $39 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 18 | $76 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$116 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-17
- Last updated
- 2018-12-18
Frequently asked questions
- What is Sean Terwilliger's NPI number?
- Sean Terwilliger's National Provider Identifier (NPI) is 1790272623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Terwilliger's specialty?
- Sean Terwilliger is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sean Terwilliger located?
- Sean Terwilliger's practice location on file with NPPES is 3001 Hospital Dr., Cheverly, MD 20785.
- What is Sean Terwilliger's phone number?
- The practice phone number listed in the NPPES registry for Sean Terwilliger is (571) 205-3755.
- Does Sean Terwilliger accept Medicare?
- Sean Terwilliger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Terwilliger's NPI active?
- Yes — Sean Terwilliger's NPI (1790272623) is active in the NPPES registry as of the last update on 2018-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.