DR. GREGORY J LOUIS M.D.
NPI 1346237344
Specialist in Euclid, OH

Q: What is Gregory Louis's NPI number?

The NPI number for Gregory Louis is 1346237344. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Q: What is Gregory Louis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Louis was last updated on February 9, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 04, 2005PECOS EnrolledAccepts Medicare Assignment

90.38/100

CMS Quality Rating

26300 EUCLID AVE, SUITE 312, EUCLID, OH 44132(216) 574-8900(216) 731-2627 Get Directions Write a Review

NPPES record last updated: February 9, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Gregory J Louis M.d. NPPES

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

DR. GREGORY J LOUIS M.D. (NPI 1346237344) is an individual specialist in Euclid, Ohio, licensed in Ohio (35052070) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (1983).

NPPES Registry Identity

NPI1346237344

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. GREGORY J LOUISCredential: M.D.

Location Address26300 EUCLID AVE, SUITE 312Euclid, OH 44132-3708

Mailing Address26300 Euclid Ave, Suite 312Euclid, OH 44132-3708 · (216) 574-8900 · Fax (216) 731-2627

Phone(216) 574-8900

Fax(216) 731-2627

Sole ProprietorNo

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1983

Enumeration DateOctober 4, 2005

Last NPPES UpdateFebruary 9, 2010

✔ NPI 1346237344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in OH · 35052070

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

26300 EUCLID AVE, Euclid, OH 44132

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Other Identifiers 3

Medicare ID-Type Unspecified0690661OH

Medicare UPINE80825OH

Medicaid0600504OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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. Gregory J Louis 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 ID3274428065

PECOS Enrollment IDI20130306000311

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 15

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 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.

717 services649 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

383 services382 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.

267 services260 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.

233 services229 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).

180 services176 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.

173 services108 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.

166 services134 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.

166 services151 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.

117 services117 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

95 services95 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

62 services48 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

47 services47 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

20 services20 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

17 services13 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.

12 services12 patients

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.

90.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.76

Promoting Interoperability

100

Improvement Activities

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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.

NORTHEAST ORAL & MAXILLOFACIAL SURGEONS, INC

Dentist (Oral and Maxillofacial Surgery)

26300 EUCLID AVE, SUITE 410
EUCLID, OH 44132

Cuyahoga County (216) 261-1010

PURE HEALTH INC

Chiropractor (Neurology)

26300 EUCLID AVE, SUITE 632
EUCLID, OH 44132

Cuyahoga County (216) 289-6970

ZAK ENTERPRISES LTD

Clinical Medical Laboratory

26300 EUCLID AVE, STE 810
CLEVELAND, OH 44132

Cuyahoga County (216) 261-9700

LILLIAN GRAY

Community Health Worker

26300 EUCLID AVE
EUCLID, OH 44132

Cuyahoga County (216) 463-3148

MICHELLE E MAZZA VELEZ

Massage Therapist

26300 EUCLID AVE
EUCLID, OH 44132

Cuyahoga County (440) 506-3138

CLEVELAND DENTAL SLEEP THERAPY, LLC

Durable Medical Equipment & Medical Supplies (Customized Equipment)

26300 EUCLID AVE, SUITE 520
EUCLID, OH 44132

Cuyahoga County (216) 261-2580

DRS. MECKLER AND ORLANSKY, LTD

Dentist (General Practice)

26300 EUCLID AVE, EUCLID MEDICAL PLAZA SUITE #926
EUCLID, OH 44132

Cuyahoga County (216) 797-1401

DR. SAMUEL M SALAMON MD

Specialist

26300 EUCLID AVE, SUITE 312
EUCLID, OH 44132

Cuyahoga County (216) 574-8900

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 Gregory Louis's NPI number?

The NPI number for Gregory Louis is 1346237344. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Where is Gregory Louis located?

Gregory Louis practices at 26300 Euclid Ave Suite 312, Euclid, OH 44132. The listed phone number is (216) 574-8900.

What is Gregory Louis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Gregory Louis enrolled in Medicare?

Yes. Gregory Louis 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 Gregory Louis accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list Gregory Louis 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 Gregory Louis was last updated on February 9, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.