William John Ference, O.D.
Optometrist · Montville, NJ
William John Ference, O.D. is an optometrist with a practice address in Montville, New Jersey, and NPI 1316165368, issued on Apr 23, 2007. Check the license (New Jersey 27OA00539800, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William John Ference
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 27OA00539800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 170 Changebridge RD, Montville, NJ 07045
- Phone
- (973) 835-7000
- Enumerated
- Apr 23, 2007
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (973) 835-7079
- Medicare enrollment
- Enrolled (PECOS I20101014000064); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,542 in New Jersey → Look up another NPI →
Also registered at 170 Changebridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sirike Aasmaa, DOInternal Medicine Physician1861549925
- Peter Antonellis, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1851474142
- Anne Effron, MSW, LCSW, BCDClinical Social Worker1053331819
- Berdj Feredjian, D.D.S.General Practice Dentistry1295780286
- David Fields, DMDDentist1952330284
- Sandra Hoenig, M.D,Family Medicine Physician1043473309
Verify William John Ference in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 27OA00539800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average optometrist in 2024
182 Medicare Part D claims for 69 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost54 claims
- Travoprost33 claims
- Xdemvy33 claims
- Lumigan16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $666.11
11 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pompton Eye And Vision Care LLCMontville, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William John Ference among 1,542 optometrist records in New Jersey
William John Ference, O.D. is one of 1,542 optometrist records with a practice address in New Jersey. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 45% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 2006 among the 906 with a school on file
- Record last updated2021 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 optometrist records list a practice address in Montville
They are 4 of the 203 NPPES records with a practice address in Montville, and 1,542 optometrist records in New Jersey.
All 1,542 in New Jersey → Every provider in Montville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Howard Levinson, O.DMontville, NJ 070451659330322
- Keith LevinsonMontville, NJ 070451417357575
- Marina Verhagen, ODMontville, NJ 070451659138501
- Bradley Doolen, O.D.Verona, NJ 070441720164189
- Andrea Antonelli, O.D.Montclair, NJ 070431902110455
- Diana Espaillat, O.DNorth Bergen, NJ 070471063854370
- Nieves Fernandez, O.D.North Bergen, NJ 070471740331826
- Robert Freed, O.D.North Bergen, NJ 070471083648372
Common questions
What is William John Ference, O.D.'s NPI number?
William John Ference, O.D.'s National Provider Identifier (NPI) is 1316165368, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William John Ference, O.D. located?
The NPPES record lists a practice address at 170 Changebridge RD, Montville, NJ, 07045. Phone: (973) 835-7000. Providers update this record themselves, so call before visiting.
How can I verify William John Ference, O.D.'s license?
NPPES lists New Jersey license number 27OA00539800, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does William John Ference, O.D. prescribe under Medicare Part D?
In 2024, William John Ference, O.D. had 182 Medicare Part D claims for 69 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.