DR. GRANT NASH CORNING MD
NPI 1033259114
Ophthalmology in Ada, OK

Active since February 07, 2007PECOS EnrolledAccepts Medicare Assignment
68.88/100
CMS Quality Rating
1425 ARLINGTON ST, ADA, OK 74820(580) 332-1880(580) 332-2214 Get Directions Write a Review

NPPES record last updated: January 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 17, 2023, Nov 18, 2021 (2 updates tracked since 2021).

About Dr. Grant Nash Corning Md NPPES

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

DR. GRANT NASH CORNING MD (NPI 1033259114) is an individual ophthalmology provider in Ada, Oklahoma, licensed in Oklahoma (25023) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ada, and is a graduate of University Of Oklahoma College Of Medicine (2006).

NPPES Registry Identity

NPI1033259114
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. GRANT NASH CORNINGCredential: MD
Location Address1425 ARLINGTON STAda, OK 74820-2636
Mailing Address1425 Arlington StAda, OK 74820-2636 · (580) 332-1880 · Fax (580) 332-2214
Fax(580) 332-2214
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2006
Enumeration DateFebruary 7, 2007
Last NPPES UpdateJanuary 17, 20232 updates tracked since enumeration
NPPES CertifiedNovember 30, 2021
NPI 1033259114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in OK · 25023
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.
1425 ARLINGTON ST, Ada, OK 74820

Other Identifiers 1

Medicaid200122220AOK

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. Grant Nash Corning Md 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 ID2466549712
PECOS Enrollment IDI20150302001253
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 25

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 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.
583 services369 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.
538 services293 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.
517 services285 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.
501 services407 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.
400 services334 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.
365 services262 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Ada

Acute Care Hospitals · Ada, OK
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370020
Location430 North Monte VistaAda, OK 74820 · Pontotoc County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74820 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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.

68.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality83.44
Improvement Activities40
Cost18.36

Reported Quality Measures

Advance Care Plan
100%1,223 patients5/55-star benchmark: 100%
Primary Open-Angle Glaucoma (POAG): Reduction of Intraocular Pressure (IOP) by 15% OR Documentation of a Plan of Care
100%271 patients
Tobacco Use and Help with Quitting Among Adolescents
95%20 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 Grant Corning's NPI number?

The NPI number for Grant Corning is 1033259114. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Where is Grant Corning located?

Grant Corning practices at 1425 Arlington St, Ada, OK 74820. The listed phone number is (580) 332-1880.

What is Grant Corning's specialty?

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

Is Grant Corning enrolled in Medicare?

Yes. Grant Corning 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 Grant Corning accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Grant Corning 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.

Is Grant Corning affiliated with any hospitals?

According to CMS data, Grant Corning is affiliated with Mercy Hospital Ada.

When was this NPI record last updated?

The NPPES record for Grant Corning was last updated on January 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.