DR. RONALD S WEISS (M.D.) – Ophthalmology Physician, NPI 1912910019

DR. RONALD S WEISS (M.D.) is a healthcare provider. based in Stickney, Illinois. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. 036079050 (IL). The NPI Number for DR. RONALD S WEISS (M.D.) is 1912910019

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. RONALD S WEISS (M.D.)
NPI
1912910019
Phone
(708) 788-3400
Address
4401 HARLEM AVE
Enumeration Date
14 August 2006
Last Update Date
29 April 2015

Doctor Profile

Medical School Name
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Secondary Phone
7087883400
Graduation Year
1986 (40 years ago)
PAC ID
2466467147
Group Practice PAC ID
4385659069
Professional Enrollment ID
I20060220000191
Address ID
IL604024250ST4401XAVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

958 OPHTHALMOLOGY in IL

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Provider Addresses for DR. RONALD S WEISS (M.D.)

  • 4401, South Harlem Avenue, Stickney, Stickney Township, Cook County, Illinois, 60534, United States

    STICKNEY, IL 604024250

    Phone: (708) 788-3400

    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 44 Open Payments records for all available years, with a total value of $1,848.

Total Amount is formed as General ($1,848) + Research ($0) + Ownership ($0) = $1,848.

Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Alcon Vision LLC ($1,103).

Total Amount

$1,848

General + Research + Ownership

Payments

44

Total payment records

General Amount

$1,848

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-16

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-02-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060220000191IOphthalmologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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
99214Established patient office or other outpatient visit, 30-39 minutes729575$0
92134Imaging of retina603494$0
92014Established patient complete exam of visual system240233$0
92133Imaging of optic nerve197196$0
92012Established patient problem focused exam of visual system167120$0
View full utilization report →

Insurance plans in this area (ZIP 60402)

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Provider's Procedures

DR. RONALD S WEISS (M.D.) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYIL92012Eye and medical examination for diagnosis and treatment, established patient335220
OPHTHALMOLOGYIL92083Measurement of field of vision during daylight conditions188185
OPHTHALMOLOGYIL92134Diagnostic imaging of retina493406

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: 4385659069View full group profile
NameSpecialtyState
O P H T H A L M O L O G YIL
O P H T H A L M O L O G YIL
O P H T H A L M O L O G YIL
O P H T H A L M O L O G YNJ
O P T O M E T R YIL
O P H T H A L M O L O G YIL

Reviews

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Frequently asked questions

How is DR. RONALD S WEISS (M.D.) identified in CMS data?
CMS-hosted NPPES data lists DR. RONALD S WEISS (M.D.) with NPI 1912910019.
Is DR. RONALD S WEISS (M.D.) still practicing?
DR. RONALD S WEISS (M.D.) is currently listed as active in the public NPI registry.
What healthcare role does DR. RONALD S WEISS (M.D.) hold?
Scheduling teams often label DR. RONALD S WEISS (M.D.) under Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
What area does DR. RONALD S WEISS (M.D.) serve?
DR. RONALD S WEISS (M.D.)'s listing highlights Stickney, Illinois; more addresses can appear in NPPES.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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