Gretha Regina Lewis, NP-C
Nurse Practitioner · Meriden, CT
Gretha Regina Lewis, NP-C is a nurse practitioner with a practice address in Meriden, Connecticut, and NPI 1720398340, issued on Oct 16, 2010. Check the license (Connecticut 004516, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretha Regina Lewis
- Credential
- NP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 004516 CT
Self-reported in NPPES; status is on the state search - Practice location
- 158 Paddock Ave Apt 904, Meriden, CT 06450
- Phone
- (860) 778-3322
- Enumerated
- Oct 16, 2010
- Record last updated
- Oct 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20111121000916); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 922 in Connecticut → Look up another NPI →
Verify Gretha Regina Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 004516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
61 Medicare Part D claims for 42 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $210.22
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Peaceful Minds Treatment Center LLCWaterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretha Regina Lewis among 922 nurse practitioner records in Connecticut
Gretha Regina Lewis, NP-C is one of 922 nurse practitioner records with a practice address in Connecticut. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 33% of them.
- NPI issued2010 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2009 · median 2018 among the 522 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 nurse practitioner records list a practice address in Meriden
They are 17 of the 897 NPPES records with a practice address in Meriden, and 922 nurse practitioner records in Connecticut.
All 922 in Connecticut → Every provider in Meriden → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Michael Backman, FNPMeriden, CT 064501841002300
- Alexandra Edmonson, RN, APRNMeriden, CT 064501891317194
- Itoro EtimMeriden, CT 064501184334633
- La'Erica Fletcher, APRNMeriden, CT 064501437381670
- Chih-Hsun Hsu, APRNMeriden, CT 064501326415415
- Giustina PolvaniMeriden, CT 064501194526897
- Rita Rivera, APRN, FNP, BSNMeriden, CT 064501396980314
- Marta FedorkoMeriden, CT 064511043944358
Common questions
What is Gretha Regina Lewis, NP-C's NPI number?
Gretha Regina Lewis, NP-C's National Provider Identifier (NPI) is 1720398340, issued on Oct 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gretha Regina Lewis, NP-C located?
The NPPES record lists a practice address at 158 Paddock Ave Apt 904, Meriden, CT, 06450. Phone: (860) 778-3322. Providers update this record themselves, so call before visiting.
How can I verify Gretha Regina Lewis, NP-C's license?
NPPES lists Connecticut license number 004516, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Gretha Regina Lewis, NP-C prescribe under Medicare Part D?
In 2024, Gretha Regina Lewis, NP-C had 61 Medicare Part D claims for 42 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.