Jack Greiner is an Ophthalmology physician affiliated with Massachusetts Eye and Ear Infirmary. OpenAlex indexes 231 publications with 7,043 citations (h-index 44); ClinicalTrials.gov lists 3 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 10% of Ophthalmology profiles in the findmyKOL directory.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
5 Whittier Pl
Ste 102 Charles River Eye Associates
Boston, MA 021141428
Telephone
617-248-3875Registry record last updated 8 Jul 2007.
Clinical trials
- A Comparison of Olopatadine and Fluticasone in Patients With Allergic Conjunctivitis
Sponsor: Greiner, Jack V., OD DO PhD
- Safety Study of Ophthalmic Solution in Healthy, Normal Volunteers
Sponsor: Vistakon Pharmaceuticals
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
11 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Mallinckrodt Hospital Products Inc.Program year20254 payments
- Dompe US, Inc.Program year20251 payment
- ABBVIE INC.Program year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
Similar KOLs
Other experts from the same institution or the same specialty.
John Kempen, MD
Massachusetts Eye and Ear Infirmary
Neil Bhattacharyya, MD, FACS
Massachusetts Eye and Ear Infirmary
Demetrios Vavvas, MD, PhD
Massachusetts Eye and Ear Infirmary
Evangelos Gragoudas, MD
Massachusetts Eye and Ear Infirmary
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”