NATHALIE RIOUX M.D.
NPI 1164510095
Ophthalmology - Glaucoma Specialist in Greenfield, MA

Active since October 10, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
PIONEER VALLEY OPHTHALMIC CONSULTANTS, 489 BERNARDSTON ROAD, GREENFIELD, MA 01301(413) 775-9900 Get Directions Write a Review

NPPES record last updated: January 15, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nathalie Rioux M.d. NPPES

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

NATHALIE RIOUX M.D. (NPI 1164510095) is an individual glaucoma specialist in Greenfield, Massachusetts, licensed in Massachusetts (156165) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1164510095
Entity TypeIndividualFemale
Primary Taxonomy207WX0009X
Provider Legal NameNATHALIE RIOUXCredential: M.D.
Location AddressPIONEER VALLEY OPHTHALMIC CONSULTANTS, 489 BERNARDSTON ROADGreenfield, MA 01301
Mailing AddressPioneer Valley Ophthalmic, 489 Bernardston RoadGreenfield, MA 01301 · (413) 775-9900
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateOctober 10, 2006
Last NPPES UpdateJanuary 15, 2022
NPPES CertifiedJanuary 15, 2022
NPI 1164510095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOphthalmology · Glaucoma SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0009X
License Licensed in MA · 156165
Definition
An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
Also ListedOphthalmologyTaxonomy 207W00000X · License 156165 (MA)
PIONEER VALLEY OPHTHALMIC CONSULTANTS, Greenfield, MA 01301

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

Nathalie Rioux 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 ID143288415
PECOS Enrollment IDI20050103000899
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 20

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.
1,338 services1,295 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.
1,029 services715 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).
891 services669 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.
412 services395 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.
392 services319 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.
265 services191 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01301 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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
Individually scored

Reported Quality Measures

Age-Related Macular Degeneration (AMD): Dilated Macular Examination
Percentage of patients aged 50 years and older with a diagnosis of age-related macular degeneration (AMD) who had a dilated macular examination performed which included documentation of the presence or absence of macular thickening or geographic atrophy or…
100%57 patients5/55-star benchmark: 100%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%22 patients5/55-star benchmark: 100%
Primary Open-Angle Glaucoma (POAG): Optic Nerve Evaluation
Percentage of patients aged 18 years and older with a diagnosis of primary open-angle glaucoma (POAG) who have an optic nerve head evaluation during one or more office visits within 12 months
99%105 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Nathalie Rioux's NPI number?

The NPI number for Nathalie Rioux is 1164510095. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Nathalie Rioux located?

Nathalie Rioux practices at Pioneer Valley Ophthalmic Consultants 489 Bernardston Road, Greenfield, MA 01301. The listed phone number is (413) 775-9900.

What is Nathalie Rioux's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.

Is Nathalie Rioux enrolled in Medicare?

Yes. Nathalie Rioux 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 Nathalie Rioux accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and WellSense Health Plan list Nathalie Rioux 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 Nathalie Rioux was last updated on January 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.