William John Ference, OD
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 182
- Industry payments
- $1,361
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 170 Changebridge Rd, Montville, NJ 07045
- Practice phone
- Call (973) 835-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pompton Eye and Vision Care
Montville, New Jersey
Find William Ference's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William John Ference is an optometrist in Montville, New Jersey
William Ference practices at Pompton Eye and Vision Care in Montville, New Jersey.
William Ference's NPI, 1316165368, was assigned on April 23, 2007. William Ference holds New Jersey license 27OA00539800.
- NPI
- 1316165368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961694583
- NPI enumeration date
- April 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 835-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William John Ference practices at Pompton Eye and Vision Care in Montville, New Jersey
William Ference's primary practice is Pompton Eye and Vision Care, at 170 Changebridge Rd, Montville, NJ 07045 in Morris County. The practice phone is (973) 835-7000.
- Pompton Eye and Vision Care170 Changebridge Rd, Montville, NJ 07045 · Morris CountyPhone(973) 835-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William John Ference is affiliated with 2 sites of care and 1 medical group
William Ference's primary practice is Pompton Eye and Vision Care in Montville, New Jersey. Dmand AI also links William Ference to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William John Ference's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Ference practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pompton Eye and Vision Care | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William John Ference is one of 1,140 optometrists in New Jersey
Optometrist is William Ference's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Ference is licensed in New Jersey.
Specialties and state licenses
- Optometrist, New JerseyPrimary
Optometrists near William Ference
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William John Ference treated 192 Medicare patients in 2024, average age 75
CMS counts 192 Medicare patients who saw William Ference in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Ference's median patient age at 65, with 55% women.
William Ference's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Ference's Medicare patients by sex, 2024
- Women12063%
- Men7238%
Chronic conditions among William Ference's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis42%
- Ischemic heart disease29%
- Diabetes27%
- Anxiety22%
- Osteoporosis19%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
William Ference's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William John Ference wrote 182 Medicare Part D claims in 2024
In 2024, William Ference wrote 182 Medicare Part D claims for 69 patients. 55% of them were for generic drugs.
William Ference's Part D claims by kind of drug, 2024
- Generic101 claims55%
- Brand-name81 claims45%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William John Ference takes part in Medicare
William Ference accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William John Ference received $1,361 in industry payments in 2025
CMS Open Payments shows 6 general payments to William Ference from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Lumenis BE inc paid the most, $1,097.
Companies that paid William Ference the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William John Ference's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William John Ference
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William John Ference's NPI number?
William John Ference's NPI number is 1316165368. It was assigned on April 23, 2007, and it is active in the NPI Registry.
What does William John Ference specialize in?
William John Ference is an optometrist in Montville, New Jersey. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William John Ference practice?
William Ference practices at 170 Changebridge Rd, Montville, NJ 07045. William Ference's primary practice is Pompton Eye and Vision Care in Montville, New Jersey. Dmand AI also links William Ference to 1 group practice or clinic and 1 medical group.
What is William John Ference's office phone number?
The practice phone on file for William Ference is (973) 835-7000.
What is William John Ference's medical license number?
William Ference holds New Jersey license 27OA00539800.
Does William John Ference accept Medicare?
Yes. CMS lists William Ference as accepting Medicare assignment.
How many Medicare patients does William John Ference see?
CMS counts 192 Medicare patients who saw William Ference in 2024, with an average age of 75.
Has William John Ference received payments from drug or device companies?
CMS Open Payments shows $1,361 in general payments to William Ference from 4 companies from 2025 to 2025. The largest total came from Lumenis BE inc.
How long has William John Ference been practicing?
William Ference graduated from medical school in 1995, 31 years ago.
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