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DR. WILLIAM JOHN FERENCE O.D.
NPI 1316165368
Optometrist in Montville, NJ

Active since April 23, 2007PECOS EnrolledAccepts Medicare Assignment
170 CHANGEBRIDGE RD, B-5, MONTVILLE, NJ 07045(973) 835-7000(973) 835-7079 Get Directions Write a Review

NPPES record last updated: November 10, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 10, 2021, Sep 15, 2020 (2 updates tracked since 2020).

About Dr. William John Ference O.d. NPPES

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

DR. WILLIAM JOHN FERENCE O.D. (NPI 1316165368) is an individual optometrist in Montville, New Jersey, licensed in New Jersey (27OA00539800) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1316165368
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. WILLIAM JOHN FERENCECredential: O.D.
Location Address170 CHANGEBRIDGE RD, B-5Montville, NJ 07045-9114
Mailing Address170 Changebridge Rd, B-5Montville, NJ 07045-9114 · (973) 835-7000 · Fax (973) 835-7079
Phone(973) 835-7000
Fax(973) 835-7079
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateApril 23, 2007
Last NPPES UpdateNovember 10, 20212 updates tracked since enumeration
NPPES CertifiedNovember 10, 2021
✔ NPI 1316165368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in NJ · 27OA00539800
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.
Also ListedOptometrist · Corneal and Contact ManagementTaxonomy 152WC0802X · License 27OA00539800 (NJ)
Also ListedOptometrist · PediatricsTaxonomy 152WP0200X · License 27OA00539800 (NJ)
Also ListedOptometrist · Sports VisionTaxonomy 152WS0006X · License 27OA00539800 (NJ)
Also ListedOptometrist · Vision TherapyTaxonomy 152WV0400X · License 27OA00539800 (NJ)
170 CHANGEBRIDGE RD, Montville, NJ 07045
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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. William John Ference 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 ID2961694583
PECOS Enrollment IDI20101014000064
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.

Areas of Expertise CMS Part B claims 9

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.
128 services117 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).
103 services85 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.
100 services65 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.
97 services85 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.
90 services74 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.
75 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07045 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.

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.

DR. SANDRA HOENIG M.D,
Family Medicine
170 CHANGEBRIDGE RD, SUITE C3
MONTVILLE, NJ 07045
Morris County (973) 575-5540
DR. PAREEN RAJ LAPSIWALA D.O.
Family Medicine
170 CHANGEBRIDGE RD, SUITE C-3
MONTVILLE, NJ 07045
Morris County (973) 575-5540
MRS. ANNE K EFFRON MSW, LCSW, BCD
Social Worker (Clinical)
170 CHANGEBRIDGE RD, SUITE C-4
MONTVILLE, NJ 07045
Morris County (973) 794-6565
MONTVILLE ORTHODONTIC ASSOCIATES
Dentist (Orthodontics and Dentofacial Orthopedics)
170 CHANGEBRIDGE RD, UNIT C 5-2
MONTVILLE, NJ 07045
Morris County (973) 227-1132
DR. MICHAEL CHARLES IBERER D.C.
Chiropractor
170 CHANGEBRIDGE RD, UNIT B-1
MONTVILLE, NJ 07045
Morris County (973) 575-1950
DR. BERDJ FEREDJIAN D.D.S.
Dentist (General Practice)
170 CHANGEBRIDGE RD, SUITE B-33
MONTVILLE, NJ 07045
Morris County (973) 575-5555
MARY JO REID LCSW
Social Worker (Clinical)
170 CHANGEBRIDGE RD, SUITE B 3-2
MONTVILLE, NJ 07045
Morris County (973) 895-5183
LISA LABRUNDA LCSW
Social Worker (Clinical)
170 CHANGEBRIDGE RD, BLDG B#
MONTVILLE, NJ 07045
Morris County (973) 951-0297

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 William Ference's NPI number?

The NPI number for William Ference is 1316165368. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is William Ference located?

William Ference practices at 170 Changebridge Rd B-5, Montville, NJ 07045. The listed phone number is (973) 835-7000.

What is William Ference's specialty?

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

Is William Ference enrolled in Medicare?

Yes. William Ference 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 William Ference accept?

Health plans from Providence Health Plan list William Ference 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 William Ference was last updated on November 10, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.