Gary Marencin, AU.D.
Audiologist · Newark, DE
Gary Marencin, AU.D. is an audiologist with a practice address in Newark, Delaware, and NPI 1760930549, issued on Sep 21, 2016. Check the license (Delaware 02-0000045, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Marencin
- Credential
- AU.D.
- Primary taxonomy
- Audiologist 231H00000X
- License number
- 02-0000045 DE
Self-reported in NPPES; status is on the state search - Practice location
- 4735 Ogletown-Stanton Road, Newark, DE 19713
- Phone
- (302) 623-4050
- Enumerated
- Sep 21, 2016
- Record last updated
- Sep 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (302) 623-4059
- Medicare enrollment
- Enrolled (PECOS I20040804001206); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 57 in Delaware → Look up another NPI →
Also registered at 4735 Ogletown-Stanton Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Green, FNPNurse Practitioner1790176113
- Madhumathi Gunasekaran, MDFamily Medicine Physician1275723793
- Jeffry Zern, MDSurgical Critical Care Physician1639143514
Verify Gary Marencin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license 02-0000045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ent And Allergy OF Delaware LLCMiddletown, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Marencin among 57 audiologist records in Delaware
Gary Marencin, AU.D. is one of 57 audiologist records with a practice address in Delaware. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 51% of them.
- NPI issued2016 · 51% of these records are older, 39% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2008 · median 2012 among the 26 with a school on file
- Record last updated2016 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Audiologist providers in Delaware
There are 57 audiologist records in Delaware.
All 57 in Delaware → Every provider in Newark → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Rebecca Dooley, AUDNewark, DE 197131578297719
- Joanne Greene, AUDNewark, DE 197131073555702
- Amanda Quaintance, AU.DNewark, DE 197131154774503
- Kathleen Riley, MS, CCC-A, FAAANewark, DE 197131528280708
- Kristine Rohrbaugh, AUD CCC-ANewark, DE 197131407844673
- Ellen Shephard, AUDNewark, DE 197131750121562
- Latoya Shuler, AU.D.Newark, DE 197131194067645
- Rebecca Holowka, M.S., CCC-AMiddletown, DE 197091184874752
Common questions
What is Gary Marencin, AU.D.'s NPI number?
Gary Marencin, AU.D.'s National Provider Identifier (NPI) is 1760930549, issued on Sep 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gary Marencin, AU.D. located?
The NPPES record lists a practice address at 4735 Ogletown-Stanton Road, Newark, DE, 19713. Phone: (302) 623-4050. Providers update this record themselves, so call before visiting.
How can I verify Gary Marencin, AU.D.'s license?
NPPES lists Delaware license number 02-0000045, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity 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.