DR. WILLIAM CLAYTON COSMAN M.D.
NPI 1326099789
Ophthalmology in Medina, NY

Active since May 12, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
500 ERIE ST S, MEDINA, NY 14103(585) 798-2020(585) 798-3365 Get Directions Write a Review

NPPES record last updated: January 29, 2025. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Dr. William Clayton Cosman M.d. NPPES

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

DR. WILLIAM CLAYTON COSMAN M.D. (NPI 1326099789) is an individual ophthalmology provider in Medina, New York, licensed in New York (2393991) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brockport, and is a graduate of State University Of Ny Upstate Medical University (2002).

NPPES Registry Identity

NPI1326099789
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. WILLIAM CLAYTON COSMANCredential: M.D.
Location Address500 ERIE ST SMedina, NY 14103-1010
Mailing Address500 Erie StMedina, NY 14103-1010 · (585) 798-2020 · Fax (585) 798-3365
Fax(585) 798-3365
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2002
Enumeration DateMay 12, 2006
Last NPPES UpdateJanuary 29, 2025
NPPES CertifiedJanuary 29, 2025
NPI 1326099789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in NY · 2393991
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
500 ERIE ST S, Medina, NY 14103

Secondary Practice Location 1

Location 16076 Brockport Spencerport RdBrockport, NY 14420-2602 · Phone (585) 637-2020 · Fax (585) 798-3365

Other Identifiers 7

Other060905000047NY · Fidelis
OtherP017812763NY · Blue Choice
Other00027655402NY · Univera
Medicaid02773637NY
Other187560CRNY · Preferred Care
Other0813766NY · Independent Health
OtherP010239399Blue Choice

Accepted 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 Clayton Cosman M.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 ID6204838212
PECOS Enrollment IDI20070205000227
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 13

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.
152 services152 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
146 services73 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
117 services66 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.
117 services117 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.
98 services92 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.
73 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14103 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
500 ERIE ST S
MEDINA, NY 14103

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 Cosman's NPI number?

The NPI number for William Cosman is 1326099789. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is William Cosman located?

William Cosman practices at 500 Erie St S, Medina, NY 14103. The listed phone number is (585) 798-2020.

What is William Cosman's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is William Cosman enrolled in Medicare?

Yes. William Cosman 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 Cosman accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list William Cosman 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 Cosman was last updated on January 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.