DR. JACK OATS M.D.
NPI 1114921558
Ophthalmology in East Setauket, NY

Q: What is Jack Oats's NPI number?

The NPI number for Jack Oats is 1114921558. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Q: What is Jack Oats's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jack Oats was last updated on September 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 13, 2005PECOS EnrolledAccepts Medicare Assignment

4 TECHNOLOGY DR, SUITE 150, EAST SETAUKET, NY 11733(631) 941-1400(631) 941-1476 Get Directions Write a Review

NPPES record last updated: September 17, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2019, Sep 12, 2018, Mar 23, 2017 (3 updates tracked since 2017).

On this page

About Dr. Jack Oats M.d. NPPES

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

DR. JACK OATS M.D. (NPI 1114921558) is an individual ophthalmology provider in East Setauket, New York, licensed in New York (170024) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1984).

NPPES Registry Identity

NPI1114921558

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. JACK OATSCredential: M.D.

Location Address4 TECHNOLOGY DR, SUITE 150East Setauket, NY 11733-4080

Mailing Address825 E Gate Blvd, Ste 111Garden City, NY 11530-2124 · (516) 804-5200 · Fax (516) 240-6540

Phone(631) 941-1400

Fax(631) 941-1476

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1984

Enumeration DateJune 13, 2005

Last NPPES UpdateSeptember 17, 20193 updates tracked since enumeration

✔ NPI 1114921558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in NY · 170024

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.

4 TECHNOLOGY DR, East Setauket, NY 11733

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Other Identifiers 1

Medicaid01550090NY

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jack Oats M.d. 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 ID1254470313

PECOS Enrollment IDI20091202000456

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.

Medicare Billing Reassignment

Medicare enrollment records show Jack Oats reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ophthalmic Consultants Of Long Island

2.0 mi

Ophthalmology

2500 ROUTE 347, BUILDING 24A
Stony Brook, NY 11790

Reassigned Medicare billing, New York enrollment
134 clinicians in this Medicare group

NPI 1245271600 (631) 941-1400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

1,799 services1,741 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

759 services544 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

394 services368 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

281 services266 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

274 services143 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

274 services186 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

253 services167 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

193 services182 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

163 services156 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

117 services117 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

96 services96 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

94 services76 patients

Exam of visual field with intermediate testing 92082

An exam of the visual field with intermediate testing is a procedure that checks your peripheral (side) vision. It helps to identify blind spots which could be a sign of eye diseases. This non-invasive test is painless and quick.

46 services42 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

45 services45 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

29 services29 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

25 services19 patients

Exam of visual field with limited testing 92081

An exam of the visual field with limited testing is a quick check of your peripheral vision. It involves identifying objects or movements at the edge of your sight, helping to detect any vision loss that isn't obvious, such as blind spots or areas of reduced vision.

22 services21 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

19 services17 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

18 services18 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330185

Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 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 20

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

JAMES BERNASKO M.D

Obstetrics & Gynecology (Maternal & Fetal Medicine)

4 TECHNOLOGY DR, STONY BROOK UNIVERSITY PHYSICIANS
EAST SETAUKET, NY 11733

Suffolk County (631) 444-4686

DR. MELISSA STRAFFORD M.D.

Obstetrics & Gynecology

4 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-4686

DR. STUART MARC HOLZER M.D.

Pediatrics (Pediatric Cardiology)

4 TECHNOLOGY DR, SUITE 250
EAST SETAUKET, NY 11733

Suffolk County (631) 444-4601

CRISTIN ROSE GENGLER CPNP

Nurse Practitioner (Pediatrics)

4 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-2700

SETAUKET SURGERY, PC

Surgery

4 TECHNOLOGY DR, SUITE 220
EAST SETAUKET, NY 11733

Suffolk County (631) 476-9296

DR. JOHN R WITTPENN M.D.

Ophthalmology

4 TECHNOLOGY DR, SUITE 150
EAST SETAUKET, NY 11733

Suffolk County (631) 941-1400

NORTH SUFFOLK FAMILY MEDICAL CARE PLLC

Family Medicine (Adult Medicine)

4 TECHNOLOGY DR, SUITE 210
EAST SETAUKET, NY 11733

Suffolk County (631) 331-1506

KARIM A PARACHA PHYSICIAN PC

Surgery

4 TECHNOLOGY DR, SUITE 240
EAST SETAUKET, NY 11733

Suffolk County (631) 675-6865

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 Jack Oats's NPI number?

The NPI number for Jack Oats is 1114921558. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Where is Jack Oats located?

Jack Oats practices at 4 Technology Dr Suite 150, East Setauket, NY 11733. The listed phone number is (631) 941-1400.

What is Jack Oats's specialty?

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

Is Jack Oats enrolled in Medicare?

Yes. Jack Oats 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.

Which organization bills Medicare for Jack Oats's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jack Oats reassigns Medicare benefits to Ophthalmic Consultants Of Long Island (Stony Brook, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jack Oats's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jack Oats accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Jack Oats 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.

Is Jack Oats affiliated with any hospitals?

According to CMS data, Jack Oats is affiliated with John T Mather Memorial Hospital Of Port Jefferson.

When was this NPI record last updated?

The NPPES record for Jack Oats was last updated on September 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.