Gretha Lewis, NP-C
NPI 1720398340 · Nurse Practitioner · Meriden, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretha Lewis, NP-C is a Nurse Practitioner provider in Meriden, CT (NPI 1720398340).
Provider details
- NPI number
- 1720398340
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 004516 (CT)
Specialties & taxonomies
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
15 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$210 across 5 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
- 2010-10-16
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Gretha Lewis's NPI number?
- Gretha Lewis's National Provider Identifier (NPI) is 1720398340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretha Lewis's specialty?
- Gretha Lewis is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretha Lewis located?
- Gretha Lewis's practice location on file with NPPES is 158 Paddock Ave Apt 904, Meriden, CT 06450-6996.
- What is Gretha Lewis's phone number?
- The practice phone number listed in the NPPES registry for Gretha Lewis is (860) 778-3322.
- Does Gretha Lewis accept Medicare?
- Gretha Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretha Lewis's NPI active?
- Yes — Gretha Lewis's NPI (1720398340) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.