Ruben Grigorian, M.D.
NPI 1447440532 · Ophthalmology Physician · West Monroe, LA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruben Grigorian, M.D. is a Ophthalmology Physician provider in West Monroe, LA (NPI 1447440532).
Provider details
- NPI number
- 1447440532
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD.201602 (LA)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
11,417 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) |
|---|---|---|
| Imaging of Retina92134 | 4,883 | $18 |
| Injection of Drug Into Eye67028 | 2,039 | $108 |
| Photography of the Retina92250 | 1,812 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 869 | $83 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 631 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 582 | $118 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ofloxacin | 260 | 222 |
| Prednisolone Acetate | 144 | 107 |
| Ketorolac Tromethamine | 121 | 86 |
| Atropine Sulfate | 110 | 77 |
| Timolol Maleate | 34 | 21 |
| Brimonidine Tartrate | 26 | 15 |
| Cyclopentolate Hcl | 16 | 11 |
| Cyclosporinebrand: Restasis | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$685 across 24 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
Registry dates
- Enumerated
- 2007-07-26
- Last updated
- 2016-02-01
Frequently asked questions
- What is Ruben Grigorian's NPI number?
- Ruben Grigorian's National Provider Identifier (NPI) is 1447440532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Grigorian's specialty?
- Ruben Grigorian is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Grigorian located?
- Ruben Grigorian's practice location on file with NPPES is 108 Regency Pl, West Monroe, LA 71291-4452.
- What is Ruben Grigorian's phone number?
- The practice phone number listed in the NPPES registry for Ruben Grigorian is (318) 325-2610.
- Does Ruben Grigorian accept Medicare?
- Ruben Grigorian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruben Grigorian's NPI active?
- Yes — Ruben Grigorian's NPI (1447440532) is active in the NPPES registry as of the last update on 2016-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.