DR. NATHANIEL KHEYSIN MD
NPI 1396373684
Ophthalmology in Glen Rock, NJ

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
65 HARRISTOWN RD, STE 302, GLEN ROCK, NJ 07452(201) 797-5100(201) 797-4160 Get Directions Write a Review

NPPES record last updated: September 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 17, 2024, Jun 27, 2024, Mar 31, 2020 (3 updates tracked since 2020).

About Dr. Nathaniel Kheysin Md NPPES

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

DR. NATHANIEL KHEYSIN MD (NPI 1396373684) is an individual ophthalmology provider in Glen Rock, New Jersey, licensed in New Jersey (25MA12721100) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1396373684
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. NATHANIEL KHEYSINCredential: MD
Location Address65 HARRISTOWN RD, STE 302Glen Rock, NJ 07452
Mailing Address1 Corporate DriveWayne, NJ 07470-3112 · (973) 987-3380
Fax(201) 797-4160
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateSeptember 27, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2025
✔ NPI 1396373684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in NJ · 25MA12721100
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 · Glaucoma SpecialistTaxonomy 207WX0009X · License 25MA12721100 (NJ)
65 HARRISTOWN RD, Glen Rock, NJ 07452

Other Identifiers 1

Other25MA12721100NJ · State

Accepted 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. Nathaniel Kheysin Md 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 ID3173068384
PECOS Enrollment IDI20250904003037
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 Nathaniel Kheysin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ophthalmology
1255 BROAD ST STE 104
Bloomfield, NJ 07003
  • Reassigned Medicare billing, New Jersey enrollment
  • 137 clinicians in this Medicare group

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 5

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.

Dilation of fluid outflow drainage within eye 66174
Dilation to improve eye fluid flow is a process where eye drops are used to widen or dilate your pupils. This allows more fluid to flow out of the eye, reducing pressure and helping to prevent or treat conditions like glaucoma.
40 services33 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.
23 services21 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.
22 services22 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).
13 services13 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07452 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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 Nathaniel Kheysin's NPI number?

The NPI number for Nathaniel Kheysin is 1396373684. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Nathaniel Kheysin located?

Nathaniel Kheysin practices at 65 Harristown Rd Ste 302, Glen Rock, NJ 07452. The listed phone number is (201) 797-5100.

What is Nathaniel Kheysin's specialty?

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

Is Nathaniel Kheysin enrolled in Medicare?

Yes. Nathaniel Kheysin 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 Nathaniel Kheysin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Kheysin reassigns Medicare benefits to Eye Centers Of America, LLC (Bloomfield, NJ). 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 Nathaniel Kheysin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Kheysin accept?

Health plans from Oscar Health list Nathaniel Kheysin 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 Nathaniel Kheysin was last updated on September 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.