DR. SHERWIN RITZ (M.D.) – Otolaryngology Physician, NPI 1861495194

DR. SHERWIN RITZ (M.D.) is a healthcare provider. based in Dixon, Illinois. specializing in Otolaryngology Physician. They hold the professional credentials M.D.. They hold a License No. 036-053594 (IL). The NPI Number for DR. SHERWIN RITZ (M.D.) is 1861495194

Main info

Male
Sole Proprietor
51 Years Of Experience
Accepts Medicare Assignment
Name
DR. SHERWIN RITZ (M.D.)
NPI
1861495194
Phone
(815) 285-5603
Address
215 E 1ST ST STE 153
Enumeration Date
31 May 2005
Last Update Date
8 October 2019

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF WISCONSIN
Secondary Phone
8152855507
Graduation Year
1975 (51 years ago)
PAC ID
9739289513
Group Practice PAC ID
7911890009
Professional Enrollment ID
I20070709000413
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

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Provider Addresses for DR. SHERWIN RITZ (M.D.)

  • East 1st Street, Dixon, Lee County, Illinois, 61021, United States

    DIXON, IL 610213175

    Phone: (815) 285-5603

    Fax: (815) 285-5813

    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)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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.

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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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 61021)

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Provider's Procedures

DR. SHERWIN RITZ (M.D.) performs procedures in Otolaryngology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OTOLARYNGOLOGYIL92567Eardrum testing using ear probe5749

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: 7911890009View full group profile

Reviews

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Frequently asked questions

What is the registry number for DR. SHERWIN RITZ (M.D.)?
The registry entry for DR. SHERWIN RITZ (M.D.) shows NPI 1861495194.
Does the public listing show DR. SHERWIN RITZ (M.D.) as active?
DR. SHERWIN RITZ (M.D.)'s NPI record reflects an active status in NPPES.
How should patients interpret DR. SHERWIN RITZ (M.D.)'s specialty?
The extract shows Otolaryngology Physician for DR. SHERWIN RITZ (M.D.). Clinical services aligned with this taxonomy classification.
Can patients visit DR. SHERWIN RITZ (M.D.) in Dixon, Illinois?
For routing, start with Dixon, Illinois for DR. SHERWIN RITZ (M.D.), then verify phone and hours locally.
Can I export DR. SHERWIN RITZ (M.D.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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