DR. GREGORY J KATZ M.D.
NPI 1952364994
Ophthalmology in Ypsilanti, MI

Active since April 10, 2006PECOS EnrolledAccepts Medicare Assignment
74.01/100
CMS Quality Rating
5477 W CLARK RD, YPSILANTI, MI 48197(734) 434-6000(734) 434-7005 Get Directions Write a Review

NPPES record last updated: July 7, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 7, 2020, Jul 1, 2020 (2 updates tracked since 2020).

About Dr. Gregory J Katz M.d. NPPES

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

DR. GREGORY J KATZ M.D. (NPI 1952364994) is an individual ophthalmology provider in Ypsilanti, Michigan, licensed in Michigan (4301061066) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1952364994
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. GREGORY J KATZCredential: M.D.
Location Address5477 W CLARK RDYpsilanti, MI 48197-1102
Mailing Address5477 W Clark RdYpsilanti, MI 48197-1102 · (734) 434-6000 · Fax (734) 434-7005
Fax(734) 434-7005
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 7, 20202 updates tracked since enumeration
NPPES CertifiedJuly 7, 2020
NPI 1952364994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in MI · 4301061066
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.
5477 W CLARK RD, Ypsilanti, MI 48197

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. Gregory J Katz 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 ID5496740409
PECOS Enrollment IDI20101109001494
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 16

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.
619 services299 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.
575 services554 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.
527 services402 patients
Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
345 services343 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.
338 services325 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).
312 services297 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

74.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability97
Improvement Activities40
Cost15.89

Reported Quality Measures

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%119 patients5/55-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.

Other Providers at the Same Location NPPES 9

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

Ophthalmology
5477 W CLARK RD
YPSILANTI, MI 48197
Ophthalmology
5477 W CLARK RD
YPSILANTI, MI 48197
Durable Medical Equipment & Medical Supplies
5477 W CLARK RD
YPSILANTI, MI 48197
Ophthalmology
5477 W CLARK RD
YPSILANTI, MI 48197
Optometrist
5477 W CLARK RD
YPSILANTI, MI 48197
Physician Assistant
5477 W CLARK RD
YPSILANTI, MI 48197
Ophthalmology
5477 W CLARK RD
YPSILANTI, MI 48197
Ophthalmology
5477 W CLARK RD
YPSILANTI, MI 48197

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 Katz's NPI number?

The NPI number for Gregory Katz is 1952364994. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Gregory Katz located?

Gregory Katz practices at 5477 W Clark Rd, Ypsilanti, MI 48197. The listed phone number is (734) 434-6000.

What is Gregory Katz's specialty?

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

Is Gregory Katz enrolled in Medicare?

Yes. Gregory Katz 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 Katz accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Gregory Katz 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 Katz was last updated on July 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.