DR. RUTH D WILLIAMS MD NPI 1699764597

NPI Information

  • NPI: 1699764597
  • Provider Name: DR. RUTH D WILLIAMS, MD
  • Classification: Ophthalmology - 207WX0009X
  • Specialization: Glaucoma Specialist
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2015 N MAIN ST
    WHEATON, IL
    ZIP 60187
  • Phone: (630) 668-8250

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NPI Details

DR. Ruth D Williams, MD is a glaucoma specialist ophthalmology in Wheaton, IL with 40 years of experience. The provider is an ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions. DR. Ruth D Williams, MD NPI is 1699764597. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

Education
Medical School: RUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduation Year:1986

The provider's business location address is:

2015 N MAIN ST
WHEATON, IL
ZIP 60187-190
Phone: (630) 668-8250
Fax: (630) 668-8916

The NPI 1699764597 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Exam of visual field with extended testing (HCPCS:92083)
  • Imaging of optic nerve (HCPCS:92133)
  • Established patient complete exam of visual system (HCPCS:92014)
  • Exam of the internal drainage system of eye (HCPCS:92020)
  • Imaging of retina (HCPCS:92134)
  • Ultrasound scan of cornea to determine thickness (HCPCS:76514)
  • Laser repair to improve eye fluid flow (HCPCS:65855)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Removal of recurring cataract in lens capsule using a laser (HCPCS:66821)
  • Photography of the retina (HCPCS:92250)
  • Closure of tear duct opening using plug (HCPCS:68761)
  • Cataract surgery (HCPCS:NAN11)

The enumeration date for this NPI number is 10/14/2005 and was last updated on 8/27/2024.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207W00000XOphthalmology036-075904ILLINOISNo
2207WX0009XOphthalmologyGlaucoma Specialist036-075904ILLINOISYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1180014630OTHERILLINOISRR MEDICARE
2036075904MEDICAIDILLINOIS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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