DR. WILLIAM A ROBERTS M.D.
NPI 1598876948
Ophthalmology in Boulder, CO

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
5495 ARAPAHOE AVE, BOULDER, CO 80303(303) 449-3770 Get Directions Write a Review

NPPES record last updated: December 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William A Roberts M.d. NPPES

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

DR. WILLIAM A ROBERTS M.D. (NPI 1598876948) is an individual ophthalmology provider in Boulder, Colorado, licensed in Colorado (16656) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of University Of Colorado School Of Medicine, Denver (1969).

NPPES Registry Identity

NPI1598876948
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. WILLIAM A ROBERTSCredential: M.D.
Location Address5495 ARAPAHOE AVEBoulder, CO 80303-1200
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1969
Enumeration DateAugust 31, 2006
Last NPPES UpdateDecember 22, 2025
NPPES CertifiedDecember 22, 2025
NPI 1598876948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CO · 16656
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.
5495 ARAPAHOE AVE, Boulder, CO 80303

Secondary Practice Location 1

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (303) 493-7000

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 A Roberts 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 ID5193783124
PECOS Enrollment IDI20041222000405
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 8

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.
320 services309 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.
240 services167 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.
64 services64 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).
40 services39 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.
28 services28 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80303 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

Family Medicine
5495 ARAPAHOE AVE
BOULDER, CO 80303
Physical Therapist (Neurology)
5495 ARAPAHOE AVE
BOULDER, CO 80303
General Acute Care Hospital
5495 ARAPAHOE AVE
BOULDER, CO 80303
Family Medicine
5495 ARAPAHOE AVE
BOULDER, CO 80303
Physical Therapist
5495 ARAPAHOE AVE
BOULDER, CO 80303
Psychologist
5495 ARAPAHOE AVE
BOULDER, CO 80303
Family Medicine
5495 ARAPAHOE AVE
BOULDER, CO 80303
Speech-Language Pathologist
5495 ARAPAHOE AVE
BOULDER, CO 80303

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 Roberts's NPI number?

The NPI number for William Roberts is 1598876948. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is William Roberts located?

William Roberts practices at 5495 Arapahoe Ave, Boulder, CO 80303. The listed phone number is (303) 449-3770.

What is William Roberts's specialty?

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

Is William Roberts enrolled in Medicare?

Yes. William Roberts 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 Roberts accept?

Health plans from Medica list William Roberts 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 Roberts was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.