Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TANYA TREWICK - RYANS CRNP
NPI 1689056343
Nurse Practitioner - Psychiatric/Mental Health in Newark, DE

Active since June 18, 2015PECOS EnrolledAccepts Medicare Assignment
200 CONTINENTAL DR STE 401, NEWARK, DE 19713(302) 223-2027(302) 337-5945 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2026, Jan 13, 2026, Dec 19, 2025 and 6 more (9 updates tracked since 2018).

About Tanya Trewick - Ryans Crnp NPPES

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

TANYA TREWICK - RYANS CRNP (NPI 1689056343) is an individual psychiatric/mental health provider in Newark, Delaware, licensed in Delaware (L8-0010980) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Malvern, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1689056343
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTANYA TREWICK - RYANSCredential: CRNP
Location Address200 CONTINENTAL DR STE 401Newark, DE 19713-4337
Mailing Address935 E Lancaster Ave # 1102Downingtown, PA 19335-3328 · (302) 223-2027
Fax(302) 337-5945
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateJune 18, 2015
Last NPPES UpdateJune 22, 20269 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
NPI 1689056343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in DE · L8-0010980 Licensed in PA · SP032504
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License SP016236 (PA), ARNP9462039 (FL), LG-0013349 (DE)
200 CONTINENTAL DR STE 401, Newark, DE 19713

Secondary Practice Location 1

Location 175 Valley Stream Pkwy Fl 2Malvern, PA 19355-1459 · Phone (302) 223-2027

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Tanya Trewick - Ryans Crnp 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 ID6800151119
PECOS Enrollment IDI20260406002109
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 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
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
1 supplier22 claims22 services$1.08 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier35 claims35 services$3.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Rehabilitation Practitioner
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Durable Medical Equipment & Medical Supplies
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Counselor (Professional)
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Physical Therapist
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Nurse Practitioner (Psychiatric/Mental Health)
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Community/Behavioral Health
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Clinic/Center (Developmental Disabilities)
200 CONTINENTAL DR STE 401
NEWARK, DE 19713
Rehabilitation Practitioner
200 CONTINENTAL DR STE 401
NEWARK, DE 19713

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 Tanya Trewick - Ryans's NPI number?

The NPI number for Tanya Trewick - Ryans is 1689056343. It was assigned to this individual provider in the NPPES registry on June 18, 2015.

Where is Tanya Trewick - Ryans located?

Tanya Trewick - Ryans practices at 200 Continental Dr Ste 401, Newark, DE 19713. The listed phone number is (302) 223-2027.

What is Tanya Trewick - Ryans's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Tanya Trewick - Ryans enrolled in Medicare?

Yes. Tanya Trewick - Ryans 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.

What insurance does Tanya Trewick - Ryans accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Tanya Trewick - Ryans as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tanya Trewick - Ryans was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.