MR. GREGORY A KOUYOUMDJIAN M.D.
NPI 1548219934
Ophthalmology in Littleton, CO

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
93.2/100
CMS Quality Rating
8381 SOUTHPARK LN, LITTLETON, CO 80120(303) 991-9662 Get Directions Write a Review

NPPES record last updated: June 1, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 1, 2023, Mar 7, 2023, Feb 23, 2016 (3 updates tracked since 2016).

About Mr. Gregory A Kouyoumdjian M.d. NPPES

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

MR. GREGORY A KOUYOUMDJIAN M.D. (NPI 1548219934) is an individual ophthalmology provider in Littleton, Colorado, licensed in Colorado (38767) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1996).

NPPES Registry Identity

NPI1548219934
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameMR. GREGORY A KOUYOUMDJIANCredential: M.D.
Location Address8381 SOUTHPARK LNLittleton, CO 80120-4508
Mailing Address8381 Southpark LnLittleton, CO 80120-4508 · (303) 991-9662
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 1996
Enumeration DateMay 10, 2006
Last NPPES UpdateJune 1, 20233 updates tracked since enumeration
NPPES CertifiedJune 1, 2023
NPI 1548219934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CO · 38767
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.
Also ListedOphthalmology · Glaucoma SpecialistTaxonomy 207WX0009X · License 0064496 (CO)
8381 SOUTHPARK LN, Littleton, CO 80120

Other Identifiers 1

Medicaid465288CO

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

Mr. Gregory A Kouyoumdjian 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 ID7012073968
PECOS Enrollment IDI20101007000565
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 14

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.

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.
123 services73 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.
97 services78 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.
90 services85 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.
80 services79 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.
69 services46 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.
57 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80120 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.

93.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality99.12
Improvement Activities40
Cost78.5

Reported Quality Measures

Age-Related Macular Degeneration (AMD): Dilated Macular Examination
100%26 patients5/55-star benchmark: 100%
Cataracts: 20/40 or Better Visual Acuity within 90 Days Following Cataract Surgery
96%147 patients3/55-star benchmark: 100%
Complications After Cataract Surgery
Lower rates are better for this measure.
0%331 patients
Diabetes: Eye Exam
96%72 patients4/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
27%49 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 638 patients
Patients totalRate: 0% · 638 patients
0%638 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 13

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

Technician/Technologist
8381 SOUTHPARK LN
LITTLETON, CO 80120
Clinic/Center (Ophthalmologic Surgery)
8381 SOUTHPARK LN
LITTLETON, CO 80120
Ophthalmology
8381 SOUTHPARK LN
LITTLETON, CO 80120
Eyewear Supplier
8381 SOUTHPARK LN
LITTLETON, CO 80120
Ophthalmology
8381 SOUTHPARK LN
LITTLETON, CO 80120
Nurse Anesthetist, Certified Registered
8381 SOUTHPARK LN
LITTLETON, CO 80120
Ophthalmology
8381 SOUTHPARK LN
LITTLETON, CO 80120
Ophthalmology (Glaucoma Specialist)
8381 SOUTHPARK LN
LITTLETON, CO 80120

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 Kouyoumdjian's NPI number?

The NPI number for Gregory Kouyoumdjian is 1548219934. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Gregory Kouyoumdjian located?

Gregory Kouyoumdjian practices at 8381 Southpark Ln, Littleton, CO 80120. The listed phone number is (303) 991-9662.

What is Gregory Kouyoumdjian's specialty?

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

Is Gregory Kouyoumdjian enrolled in Medicare?

Yes. Gregory Kouyoumdjian 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 Kouyoumdjian accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Gregory Kouyoumdjian 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 Kouyoumdjian was last updated on June 1, 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.