DR. JOHN R WITTPENN M.D.
NPI 1154326122
Ophthalmology in East Setauket, NY

Q: What is John Wittpenn's NPI number?

The NPI number for John Wittpenn is 1154326122. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is John Wittpenn'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 John Wittpenn was last updated on September 18, 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 16, 2005PECOS Enrolled

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

Record update history: Sep 18, 2019, Mar 23, 2017 (2 updates tracked since 2017).

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About Dr. John R Wittpenn M.d. NPPES

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

DR. JOHN R WITTPENN M.D. (NPI 1154326122) is an individual ophthalmology provider in East Setauket, New York, licensed in New York (174403) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154326122

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. JOHN R WITTPENNCredential: M.D.

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

Mailing Address825 E Gate Blvd Ste 111Garden City, NY 11530-2136 · (516) 804-5200 · Fax (516) 240-6540

Phone(631) 941-1400

Fax(631) 941-1476

Sole ProprietorNo

Enumeration DateJune 16, 2005

Last NPPES UpdateSeptember 18, 20192 updates tracked since enumeration

✔ NPI 1154326122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in NY · 174403

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

Medicaid01086933NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John R Wittpenn 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.

Medicare Billing Reassignment

Medicare enrollment records show John Wittpenn 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 21

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.

1,293 services1,211 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.

851 services534 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.

572 services250 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.

229 services206 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.

225 services216 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.

150 services126 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.

146 services113 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

65 services56 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.

62 services56 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).

60 services57 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.

59 services59 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.

43 services43 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.

41 services41 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.

39 services32 patients

Imaging of front third of eye using a special microscope 92286

This procedure involves capturing detailed images of the front part of your eye using a specialized microscope. It helps in identifying any eye abnormalities or issues, improving the accuracy of diagnosis and treatment planning.

32 services30 patients

Analysis of substance using immunoassay technique, multiple step method 83516

This procedure involves the use of an immunoassay, a highly sensitive technique, to detect and measure substances in your body. It involves multiple steps and is commonly used in diagnosing and monitoring various health conditions.

27 services16 patients

Placement of amniotic membrane on eye surface for wound healing 65778

The placement of an amniotic membrane on the eye surface is a treatment to promote healing of eye wounds. It involves placing a thin, protective layer over the eye. This layer, derived from the amniotic membrane, helps reduce inflammation and scarring, while encouraging healing.

21 services13 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.

21 services19 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.

18 services17 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.

16 services16 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.

15 services15 patients

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. JACK OATS 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 John Wittpenn's NPI number?

The NPI number for John Wittpenn is 1154326122. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is John Wittpenn located?

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

What is John Wittpenn's specialty?

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

Is John Wittpenn enrolled in Medicare?

Yes. John Wittpenn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Wittpenn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Wittpenn 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 John Wittpenn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Wittpenn was last updated on September 18, 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.