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DR. GRETCHEN E OHLIG OD
NPI 1568635506
Optometrist in Greenvale, NY

Active since April 10, 2008PECOS EnrolledAccepts Medicare Assignment
190 WHEATLEY PLZ, GREENVALE, NY 11548(516) 686-6512(516) 277-1591 Get Directions Write a Review

NPPES record last updated: December 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gretchen E Ohlig Od NPPES

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

DR. GRETCHEN E OHLIG OD (NPI 1568635506) is an individual optometrist in Greenvale, New York, licensed in Connecticut (2381) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of State University Of New York - State College Optometry (1993).

NPPES Registry Identity

NPI1568635506
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. GRETCHEN E OHLIGCredential: OD
Location Address190 WHEATLEY PLZGreenvale, NY 11548-1316
Mailing Address101a Norton DrEast Northport, NY 11731-1603 · (203) 321-9597
Phone(516) 686-6512
Fax(516) 277-1591
Sole ProprietorNo
Medical School CMSState University Of New York - State College OptometryGraduated 1993
Enumeration DateApril 10, 2008
Last NPPES UpdateDecember 27, 2023
NPPES CertifiedDecember 5, 2023
✔ NPI 1568635506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in CT · 2381✔ Licensed in NY · T005447
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
190 WHEATLEY PLZ, Greenvale, NY 11548
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Other Identifiers 2

Medicaid008053302CT
OtherD400183486CT · Medicare Ngs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

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

Dr. Gretchen E Ohlig Od 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 ID4880883594
PECOS Enrollment IDI20240715000208
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 11548 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

OPTYX LLC
Optometrist
190 WHEATLEY PLZ
GREENVALE, NY 11548
Nassau County (516) 686-6512

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 Gretchen Ohlig's NPI number?

The NPI number for Gretchen Ohlig is 1568635506. It was assigned to this individual provider in the NPPES registry on April 10, 2008.

Where is Gretchen Ohlig located?

Gretchen Ohlig practices at 190 Wheatley Plz, Greenvale, NY 11548. The listed phone number is (516) 686-6512.

What is Gretchen Ohlig's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Gretchen Ohlig enrolled in Medicare?

Yes. Gretchen Ohlig 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.

What insurance does Gretchen Ohlig accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Gretchen Ohlig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gretchen Ohlig was last updated on December 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.