Guy Massry, MD
NPI 1134137441 · Ophthalmology Physician · Beverly Hills, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Massry, MD is a Ophthalmology Physician provider in Beverly Hills, CA (NPI 1134137441).
Provider details
- NPI number
- 1134137441
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G72245 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
96 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 51 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $94 |
| New Patient Problem Focused Exam of Visual System92002 | 20 | $90 |
Typical Medicare-allowed amounts for these services range $90–$95 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 57 | 52 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 40 | 32 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 37 | 35 |
| Methylprednisolone | 31 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 29 | 29 |
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$233 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8635 W 3rd St#390wLos Angeles, CA 90048-6101Phone: (310) 652-1133Fax: (310) 652-4353
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2021-12-17
- Certified
- 2021-12-17
Frequently asked questions
- What is Guy Massry's NPI number?
- Guy Massry's National Provider Identifier (NPI) is 1134137441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Massry's specialty?
- Guy Massry is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Massry located?
- Guy Massry's practice location on file with NPPES is 150 N Robertson Blvd Ste 314, Beverly Hills, CA 90211-2145.
- What is Guy Massry's phone number?
- The practice phone number listed in the NPPES registry for Guy Massry is (310) 657-4302.
- Does Guy Massry accept Medicare?
- Guy Massry is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Massry's NPI active?
- Yes — Guy Massry's NPI (1134137441) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.