DR. RONALD J GAILUN (MD) – Ophthalmology Physician, NPI 1104811769

DR. RONALD J GAILUN (MD) is a healthcare provider. based in Springfield, Massachusetts. specializing in Ophthalmology Physician. They hold the professional credentials MD. They hold a License No. 45758 (MA). The NPI Number for DR. RONALD J GAILUN (MD) is 1104811769

Main info

Male
52 Years Of Experience
Accepts Medicare Assignment
Name
DR. RONALD J GAILUN (MD)
NPI
1104811769
Phone
(413) 732-2333
Address
3640 MAIN ST
Enumeration Date
20 September 2005
Last Update Date
9 March 2016

Doctor Profile

Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
4137322333
Graduation Year
1974 (52 years ago)
PAC ID
1052321015
Group Practice PAC ID
4789626060
Professional Enrollment ID
I20060504000678
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. RONALD J GAILUN (MD)

  • 3640, Main Street, Brightwood, Springfield, Hampden County, Massachusetts, 01199, United States

    STE 201

    SPRINGFIELD, MA 011071145

    Phone: (413) 732-2333

    Fax: (413) 732-8065

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $33.

Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.

Last reported payment date: 2023-06-27 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($33).

Total Amount

$33

General + Research + Ownership

Payments

1

Total payment records

General Amount

$33

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-27

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J2777Injection, faricimab-svoa, 0.1 mg7,08039$0
92134Imaging of retina577280$0
67028Injection of drug into eye298129$0
J0178Injection, aflibercept, 1 mg25856$0
92014Established patient complete exam of visual system252245$0
View full utilization report →

Insurance plans in this area (ZIP 01107)

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Provider's Procedures

DR. RONALD J GAILUN (MD) performs procedures in Ophthalmology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYMA92012Eye and medical examination for diagnosis and treatment, established patient576294
OPHTHALMOLOGYMA92134Diagnostic imaging of retina1202450

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789626060View full group profile
NameSpecialtyState
O P H T H A L M O L O G YDC
O P H T H A L M O L O G YMA
O P H T H A L M O L O G YMA
O P H T H A L M O L O G YMA
O P H T H A L M O L O G YMA

Reviews

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Frequently asked questions

How do I look up DR. RONALD J GAILUN (MD) by NPI?
Use NPI 1104811769 when you need to reference DR. RONALD J GAILUN (MD) in forms, claims, or directories.
Is DR. RONALD J GAILUN (MD)'s NPI currently valid?
The extract we use shows DR. RONALD J GAILUN (MD) as active.
Does DR. RONALD J GAILUN (MD) list a primary specialty?
If you are matching referrals, note Ophthalmology Physician for DR. RONALD J GAILUN (MD). Clinical services aligned with this taxonomy classification.
Does DR. RONALD J GAILUN (MD) practice in Massachusetts?
You will see Springfield, Massachusetts on file for DR. RONALD J GAILUN (MD) alongside any extra practice locations.
Is DR. RONALD J GAILUN (MD) a real provider?
This page reflects official NPPES data for NPI 1104811769. Always confirm identity and privileges with the practice and licensing boards.

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