CATHERINE CORINA VIOLET GERONTIS M.D.
NPI 1477553253
Ophthalmology in Commack, NY

Active since July 22, 2005PECOS Enrolled
58 VANDERBILT MOTOR PKWY STE 300, COMMACK, NY 11725(631) 439-5440 Get Directions Write a Review

NPPES record last updated: April 20, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Catherine Corina Violet Gerontis M.d. NPPES

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

CATHERINE CORINA VIOLET GERONTIS M.D. (NPI 1477553253) is an individual ophthalmology provider in Commack, New York, licensed in New York (188154) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in Commack.

NPPES Registry Identity

NPI1477553253
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameCATHERINE CORINA VIOLET GERONTISCredential: M.D.
Location Address58 VANDERBILT MOTOR PKWY STE 300Commack, NY 11725-5724
Mailing AddressPo Box 595Commack, NY 11725-0595 · (631) 439-0946 · Fax (631) 439-5447
Sole ProprietorYes
Enumeration DateJuly 22, 2005
Last NPPES UpdateApril 20, 2020
NPPES CertifiedApril 20, 2020
NPI 1477553253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in NY · 188154
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedOphthalmology · Pediatric Ophthalmology and Strabismus SpecialistTaxonomy 207WX0110X · License 188154 (NY)
58 VANDERBILT MOTOR PKWY STE 300, Commack, NY 11725

Other Names 1

Professional Name (2)C Corina Gerontis M.d.

Secondary Practice Location 1

Location 1353 Veterans Memorial HwyCommack, NY 11725-4200 · Phone (631) 439-0946 · Fax (631) 439-5447

Other Identifiers 18

Other113547507Island Group
Other188154A27Healthfirst Chp
Other2C8244Health Net
Other0401751Ghi
Other31160PHip Health Care Partners
Other112658697Jj New/usi
Other27626Anthem
Other113547507Great West
Other2436110Aetna
Other8209571002Cigna Hmo
Other112658697First Health
Other113547507Cigna Ppo
Other31160PHip
Other48Z811Blue Cross/child
Other188154A27Healthfirst
Other113547507Beech Tree
Other113547507Empire
OtherGC8154Atlantis

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Catherine Corina Violet Gerontis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 11725 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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 Catherine Gerontis's NPI number?

The NPI number for Catherine Gerontis is 1477553253. It was assigned to this individual provider in the NPPES registry on July 22, 2005. The provider is also known as C Corina Gerontis M.D..

Where is Catherine Gerontis located?

Catherine Gerontis practices at 58 Vanderbilt Motor Pkwy Ste 300, Commack, NY 11725. The listed phone number is (631) 439-5440.

What is Catherine Gerontis's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Catherine Gerontis enrolled in Medicare?

Yes. Catherine Gerontis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Catherine Gerontis was last updated on April 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.