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MS. GRETHA REGINA LEWIS NP-C
NPI 1720398340
Nurse Practitioner in Meriden, CT

Active since October 16, 2010PECOS EnrolledAccepts Medicare Assignment
158 PADDOCK AVE APT 904, MERIDEN, CT 06450(860) 778-3322 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 8, 2025, Nov 10, 2021 (2 updates tracked since 2021).

About Ms. Gretha Regina Lewis Np-c NPPES

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

MS. GRETHA REGINA LEWIS NP-C (NPI 1720398340) is an individual nurse practitioner in Meriden, Connecticut, licensed in Connecticut (004516) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1720398340
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. GRETHA REGINA LEWISCredential: NP-C
Location Address158 PADDOCK AVE APT 904Meriden, CT 06450-6996
Mailing Address158 Paddock Ave Apt 904Meriden, CT 06450-6996 · (860) 778-3322
Phone(860) 778-3322
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 16, 2010
Last NPPES UpdateOctober 22, 20252 updates tracked since enumeration
NPPES CertifiedOctober 22, 2025
✔ NPI 1720398340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CT · 004516
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 004516 (CT)
158 PADDOCK AVE APT 904, Meriden, CT 06450
Open in Google Maps ↗

Other Identifiers 1

Other004516CT · License

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

Ms. Gretha Regina Lewis Np-c 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 ID7214101617
PECOS Enrollment IDI20111121000916
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 06450 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

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 Gretha Lewis's NPI number?

The NPI number for Gretha Lewis is 1720398340. It was assigned to this individual provider in the NPPES registry on October 16, 2010.

Where is Gretha Lewis located?

Gretha Lewis practices at 158 Paddock Ave Apt 904, Meriden, CT 06450. The listed phone number is (860) 778-3322.

What is Gretha Lewis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Gretha Lewis enrolled in Medicare?

Yes. Gretha Lewis 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.

When was this NPI record last updated?

The NPPES record for Gretha Lewis was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.