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GUY GOURGY MASSRY MD
NPI 1134137441
Ophthalmology in Beverly Hills, CA

Active since August 03, 2006PECOS Enrolled
90.31/100
CMS Quality Rating
150 N ROBERTSON BLVD STE 314, BEVERLY HILLS, CA 90211(310) 657-4302 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Guy Gourgy Massry Md NPPES

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

GUY GOURGY MASSRY MD (NPI 1134137441) is an individual ophthalmology provider in Beverly Hills, California, licensed in California (G72245) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Southern California Keck School Of Medicine (1990).

NPPES Registry Identity

NPI1134137441
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameGUY GOURGY MASSRYCredential: MD
Location Address150 N ROBERTSON BLVD STE 314Beverly Hills, CA 90211-2145
Mailing Address8635 W 3rd St, #390wLos Angeles, CA 90048-6101 · (310) 652-1133 · Fax (310) 652-4353
Phone(310) 657-4302
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1990
Enumeration DateAugust 3, 2006
Last NPPES UpdateDecember 17, 2021
NPPES CertifiedDecember 17, 2021
✔ NPI 1134137441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · G72245
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.
150 N ROBERTSON BLVD STE 314, Beverly Hills, CA 90211
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Secondary Practice Location 1

Location 18635 W 3rd St, #390WLos Angeles, CA 90048-6101 · Phone (310) 652-1133 · Fax (310) 652-4353

Other Identifiers 1

Medicaid00G722450CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guy Gourgy Massry Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7315946951
PECOS Enrollment IDI20100311000898
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.

Medicare Billing Reassignment

Medicare enrollment records show Guy Massry reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jonathan M. Davidorf, M.D. Inc.
17 mi
Ophthalmology
7320 WOODLAKE AVE, SUITE 190
West Hills, CA 91307
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1396913695 (818) 883-0112

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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 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.
51 services38 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.
25 services25 patients
New patient problem focused exam of visual system 92002
A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90211 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

90.31/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost67.7

Other Providers at the Same Location NPPES 2

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

GUY G MASSRY, MD INC
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
150 N ROBERTSON BLVD STE 314
BEVERLY HILLS, CA 90211
Los Angeles County (310) 657-4302
ARMAN DANIELIAN MD
Otolaryngology (Facial Plastic Surgery)
150 N ROBERTSON BLVD STE 314
BEVERLY HILLS, CA 90211
Los Angeles County (310) 657-4302

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 Guy Massry's NPI number?

The NPI number for Guy Massry is 1134137441. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Where is Guy Massry located?

Guy Massry practices at 150 N Robertson Blvd Ste 314, Beverly Hills, CA 90211. The listed phone number is (310) 657-4302.

What is Guy Massry's specialty?

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

Is Guy Massry enrolled in Medicare?

Yes. Guy Massry is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Guy Massry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guy Massry reassigns Medicare benefits to Jonathan M. Davidorf, M.D. Inc. (West Hills, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Guy Massry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Guy Massry was last updated on December 17, 2021. 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.