Tanya Trewick - Ryans, CRNP
NPI 1689056343 · Psychiatric/Mental Health Nurse Practitioner · Newark, DE
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanya Trewick - Ryans, CRNP is a Psychiatric/Mental Health Nurse Practitioner provider in Newark, DE (NPI 1689056343).
Provider details
- NPI number
- 1689056343
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- LG-0013349 (DE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 209 | 48 |
| Amlodipine Besylate | 179 | 35 |
| Gabapentin | 131 | 22 |
| Omeprazole | 119 | 24 |
| Fluticasone Propionate | 108 | 28 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 85 | 14 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,234 across 15 records (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
- 2015-06-18
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Frequently asked questions
- What is Tanya Trewick - Ryans's NPI number?
- Tanya Trewick - Ryans's National Provider Identifier (NPI) is 1689056343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanya Trewick - Ryans's specialty?
- Tanya Trewick - Ryans is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tanya Trewick - Ryans located?
- Tanya Trewick - Ryans's practice location on file with NPPES is 200 Continental Dr Ste 401, Newark, DE 19713-4337.
- What is Tanya Trewick - Ryans's phone number?
- The practice phone number listed in the NPPES registry for Tanya Trewick - Ryans is (302) 223-2027.
- Does Tanya Trewick - Ryans accept Medicare?
- Tanya Trewick - Ryans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanya Trewick - Ryans's NPI active?
- Yes — Tanya Trewick - Ryans's NPI (1689056343) is active in the NPPES registry as of the last update on 2026-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.