DR. JEFFREY SLANEY WILLIAMS SR. O.D.
NPI 1225024490
Optometrist in Riverhead, NY

Active since September 23, 2005PECOS EnrolledAccepts Medicare Assignment
887 OLD COUNTRY RD, SUITE K-L, RIVERHEAD, NY 11901(631) 727-2858(631) 727-2866 Get Directions Write a Review

NPPES record last updated: January 8, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Jeffrey Slaney Williams Sr. O.d. NPPES

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

DR. JEFFREY SLANEY WILLIAMS SR. O.D. (NPI 1225024490) is an individual optometrist in Riverhead, New York, licensed in New York (3809) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (1979).

NPPES Registry Identity

NPI1225024490
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. JEFFREY SLANEY WILLIAMS SR.Credential: O.D.
Location Address887 OLD COUNTRY RD, SUITE K-LRiverhead, NY 11901-2115
Mailing Address887 Old Country Rd, Suite K-lRiverhead, NY 11901-2115 · (631) 727-2858 · Fax (631) 727-2866
Fax(631) 727-2866
Sole ProprietorNo
Medical School CMSSouthern California College Of OptometryGraduated 1979
Enumeration DateSeptember 23, 2005
Last NPPES UpdateJanuary 8, 2013
✔ NPI 1225024490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in NY · 3809
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.
887 OLD COUNTRY RD, Riverhead, NY 11901

Other Identifiers 2

OtherC29481Medicare Id
Medicare ID-Type Unspecified0148640001NY

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. Jeffrey Slaney Williams Sr. O.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 ID6901813310
PECOS Enrollment IDI20060309000442
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 Reassignments

6

Medicare enrollment records show Jeffrey Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eyewear Supplier
1224 OSTRANDER AVENUE
Riverhead, NY 11901
  • Reassigned Medicare billing, New York enrollment
  • 22 clinicians in this Medicare group
Optometrist
1224 OSTRANDER AVENUE
Riverhead, NY 11901
  • Reassigned Medicare billing, New York enrollment
  • 7 clinicians in this Medicare group
Optometrist
44210 RTE 48, STE. 1
Southold, NY 11971
  • Reassigned Medicare billing, New York enrollment
  • 3 clinicians in this Medicare group
Optometrist
1721 N OCEAN AVE STE A
Medford, NY 11763
  • Reassigned Medicare billing, New York enrollment
  • 4 clinicians in this Medicare group
Optometrist
433 PLANDOME RD
Manhasset, NY 11030
  • Reassigned Medicare billing, New York enrollment
  • 12 clinicians in this Medicare group
Optometrist
6130A 190TH ST
Fresh Meadows, NY 11365
  • Reassigned Medicare billing, New York enrollment
  • 13 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 14

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.

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.
105 services87 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.
102 services86 patients
Photography of content of eyes 92285
Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.
102 services86 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.
101 services83 patients
Imaging of front third of eye 92132
Imaging of the front third of the eye, also known as anterior segment imaging, captures detailed images of the eye's front part. This includes the iris, cornea, and lens. It's a non-invasive procedure that helps diagnose and monitor eye conditions.
96 services82 patients
Exam to measure eye deviation and range of motion 92060
This is an eye exam that checks for any misalignment in your eyes, also known as deviation. It also assesses the movement range of your eyes. The procedure is painless and helps in detecting conditions like strabismus or other vision issues.
93 services81 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11901 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.

Dentist (General Practice)
887 OLD COUNTRY RD, SUITE B
RIVERHEAD, NY 11901
Internal Medicine
887 OLD COUNTRY RD, SUITE A
RIVERHEAD, NY 11901
Internal Medicine (Infectious Disease)
887 OLD COUNTRY RD, SUITE A
RIVERHEAD, NY 11901
Clinic/Center (Hearing and Speech)
887 OLD COUNTRY RD
RIVERHEAD, NY 11901
Dentist (General Practice)
887 OLD COUNTRY RD
RIVERHEAD, NY 11901
Optometrist
887 OLD COUNTRY RD, SUITE G-K-L
RIVERHEAD, NY 11901
Dentist (General Practice)
887 OLD COUNTRY RD, SUITE B
RIVERHEAD, NY 11901
Internal Medicine (Infectious Disease)
887 OLD COUNTRY RD, SUITE A
RIVERHEAD, NY 11901

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 Jeffrey Williams's NPI number?

The NPI number for Jeffrey Williams is 1225024490. It was assigned to this individual provider in the NPPES registry on September 23, 2005.

Where is Jeffrey Williams located?

Jeffrey Williams practices at 887 Old Country Rd Suite K-L, Riverhead, NY 11901. The listed phone number is (631) 727-2858.

What is Jeffrey Williams's specialty?

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

Is Jeffrey Williams enrolled in Medicare?

Yes. Jeffrey Williams 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 organizations bill Medicare for Jeffrey Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Williams reassigns Medicare benefits to 6 organizations: Sound Vision Care, Inc. (Riverhead, NY), Svc Of Riverhead LLC (Riverhead, NY), Svc Of Southold LLC (Southold, NY), Svc Of Coram LLC (Medford, NY), Svc Of Manhasset LLC (Manhasset, NY) and 1 more organization, listed in the Medicare section above. Each 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 Jeffrey Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeffrey Williams accept?

Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 3 other insurers list Jeffrey Williams 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 Jeffrey Williams was last updated on January 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.