Ruben Abramovich Grigorian, M.D.
Ophthalmology Physician · West Monroe, LA
Ruben Abramovich Grigorian, M.D. is an ophthalmology physician with a practice address in West Monroe, Louisiana, and NPI 1447440532, issued on Jul 26, 2007. Check the license (Louisiana MD.201602, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ruben Abramovich Grigorian
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD.201602 LA
Self-reported in NPPES; status is on the state search - Practice location
- 108 Regency PL, West Monroe, LA 71291
- Phone
- (318) 325-2610
- Enumerated
- Jul 26, 2007
- Record last updated
- Feb 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (318) 325-7715
- Medicare enrollment
- Enrolled (PECOS I20130503000544); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 299 in Louisiana → Look up another NPI →
Also registered at 108 Regency PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Davidson, PA-CPhysician Assistant1083197917
Verify Ruben Abramovich Grigorian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.201602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average ophthalmology physician in 2024
833 Medicare Part D claims for 345 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Ofloxacin260 claims
- Prednisolone Acetate144 claims
- Ketorolac Tromethamine121 claims
- Atropine Sulfate110 claims
- Timolol Maleate34 claims
- Brimonidine Tartrate26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $685.12
24 payments; by number, the most common kind was food and beverage; the largest payer was Apellis Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Joseph E Humble And Raymond Haik PtrsWest Monroe, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruben Abramovich Grigorian among 299 ophthalmology physician records in Louisiana
Ruben Abramovich Grigorian, M.D. is one of 299 ophthalmology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 59% of them.
- NPI issued2007 · 59% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1992 · median 2000 among the 206 with a school on file
- Record last updated2016 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Louisiana
There are 299 ophthalmology physician records in Louisiana.
All 299 in Louisiana → Every provider in West Monroe → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Daniel BonnetteWest Monroe, LA 712911093235491
- Blaine BullochWest Monroe, LA 712911275277733
- Raymond Haik, M.D.West Monroe, LA 712911962473652
- Joseph Humble, M.D.West Monroe, LA 712911538130273
- Thomas Parker, M.D.West Monroe, LA 712911538115399
- Gerald Guidry, M.D.Alexandria, LA 713011427087824
- Thomas Robinson, M.D.Alexandria, LA 713011811979065
- Lisso Nachman, MDAlexandria, LA 713031073734323
Common questions
What is Ruben Abramovich Grigorian, M.D.'s NPI number?
Ruben Abramovich Grigorian, M.D.'s National Provider Identifier (NPI) is 1447440532, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Abramovich Grigorian, M.D. located?
The NPPES record lists a practice address at 108 Regency PL, West Monroe, LA, 71291. Phone: (318) 325-2610. Providers update this record themselves, so call before visiting.
How can I verify Ruben Abramovich Grigorian, M.D.'s license?
NPPES lists Louisiana license number MD.201602, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruben Abramovich Grigorian, M.D. prescribe under Medicare Part D?
In 2024, Ruben Abramovich Grigorian, M.D. had 833 Medicare Part D claims for 345 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Ruben Abramovich Grigorian, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.