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MR. SEAN R TERWILLIGER NP
NPI 1790272623
Nurse Practitioner - Acute Care in Cheverly, MD

Active since April 17, 2018PECOS EnrolledAccepts Medicare Assignment
86.79/100
CMS Quality Rating
3001 HOSPITAL DR., ATTN: ICU, CHEVERLY, MD 20785(571) 205-3755 Get Directions Write a Review

NPPES record last updated: December 18, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 18, 2018, Apr 17, 2018 (2 updates tracked since 2018).

About Mr. Sean R Terwilliger Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. SEAN R TERWILLIGER NP (NPI 1790272623) is an individual acute care provider in Cheverly, Maryland, licensed in Maryland (R210874) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Suburban Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1790272623
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. SEAN R TERWILLIGERCredential: NP
Location Address3001 HOSPITAL DR., ATTN: ICUCheverly, MD 20785
Mailing Address3001 Hospital Dr., Attn: IcuCheverly, MD 20785 · (571) 205-3755
Phone(571) 205-3755
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 17, 2018
Last NPPES UpdateDecember 18, 20182 updates tracked since enumeration
✔ NPI 1790272623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MD · R210874
3001 HOSPITAL DR., Cheverly, MD 20785
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Sean R Terwilliger Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264779263
PECOS Enrollment IDI20190129003548
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Sean Terwilliger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins Community Physicians
11 mi
Internal Medicine
4102 WILSON BLVD
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1689485963 (Maryland)
  • 691 clinicians in this Medicare group
NPI 1902626765 (703) 462-1777
Dimensions Healthcare Associates Inc
11 mi
Obstetrics & Gynecology
7150 CONTEE RD
Laurel, MD 20707
  • Reassigned Medicare billing, District of Columbia enrollment
  • 328 clinicians in this Medicare group
NPI 1407916646 (240) 677-7250
Shock Trauma Associates, P.A.
29 mi
Emergency Care
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Medicare enrollment name: Shock Trauma Associates PA
  • 24 clinicians in this Medicare group
NPI 1679512909 (410) 328-6704

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
346 services219 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
104 services77 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
59 services46 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
30 services29 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
27 services26 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
18 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suburban Hospital

Acute Care Hospitals · Bethesda, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210022
Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20785 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.46
Promoting Interoperability97
Improvement Activities40
Cost72

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JUDITH OBONG PHARMD
Pharmacist
3001 HOSPITAL DR.
CHEVERLY, MD 20785
Prince George's County (301) 618-3235

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Terwilliger's NPI number?

The NPI number for Sean Terwilliger is 1790272623. It was assigned to this individual provider in the NPPES registry on April 17, 2018.

Where is Sean Terwilliger located?

Sean Terwilliger practices at 3001 Hospital Dr. Attn: Icu, Cheverly, MD 20785. The listed phone number is (571) 205-3755.

What is Sean Terwilliger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sean Terwilliger enrolled in Medicare?

Yes. Sean Terwilliger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sean Terwilliger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Terwilliger reassigns Medicare benefits to 3 organizations: Johns Hopkins Community Physicians (Arlington, VA), Dimensions Healthcare Associates Inc (Laurel, MD) and Shock Trauma Associates, P.A. (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Terwilliger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sean Terwilliger affiliated with any hospitals?

According to CMS data, Sean Terwilliger is affiliated with Suburban Hospital.

When was this NPI record last updated?

The NPPES record for Sean Terwilliger was last updated on December 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.