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DR. WILLIAM CHEON OD
NPI 1811510795
Optometrist in Marlborough, MA

Active since May 26, 2020PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
84 MATHESON DR, MARLBOROUGH, MA 01752(775) 275-4127 Get Directions Write a Review

NPPES record last updated: October 29, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 29, 2020, May 26, 2020 (2 updates tracked since 2020).

About Dr. William Cheon Od NPPES

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

DR. WILLIAM CHEON OD (NPI 1811510795) is an individual optometrist in Marlborough, Massachusetts, licensed in Massachusetts (5436) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS and is a graduate of State University Of New York - State College Optometry (2020).

NPPES Registry Identity

NPI1811510795
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. WILLIAM CHEONCredential: OD
Location Address84 MATHESON DRMarlborough, MA 01752-4597
Mailing Address84 Matheson DrMarlborough, MA 01752-4597 · (775) 275-4127
Phone(775) 275-4127
Sole ProprietorNo
Medical School CMSState University Of New York - State College OptometryGraduated 2020
Enumeration DateMay 26, 2020
Last NPPES UpdateOctober 29, 20202 updates tracked since enumeration
NPPES CertifiedOctober 29, 2020
✔ NPI 1811510795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MA · 5436
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
84 MATHESON DR, Marlborough, MA 01752
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.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. William Cheon Od 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 ID1254743156
PECOS Enrollment IDI20201217002792
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 William Cheon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jeffrey L. Morer, Od, PC
622 mi
Optometrist
655 METRO PL S STE 600
Dublin, OH 43017
  • Reassigned Medicare billing, Massachusetts enrollment
  • 13 clinicians in this Medicare group
NPI 1477589687 (888) 964-4668

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 7

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 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.
1,097 services898 patients
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.
994 services992 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
615 services615 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
470 services451 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
108 services108 patients
Ultrasound scan of cornea to determine thickness 76514
An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.
62 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01752 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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 Cheon's NPI number?

The NPI number for William Cheon is 1811510795. It was assigned to this individual provider in the NPPES registry on May 26, 2020.

Where is William Cheon located?

William Cheon practices at 84 Matheson Dr, Marlborough, MA 01752. The listed phone number is (775) 275-4127.

What is William Cheon's specialty?

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

Is William Cheon enrolled in Medicare?

Yes. William Cheon 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 William Cheon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Cheon reassigns Medicare benefits to Jeffrey L. Morer, Od, PC (Dublin, OH). 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 William Cheon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Cheon accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list William Cheon 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 Cheon was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.