Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Whittier, MD

Individual provider Nephrology Physician · NPI 1609981471

Dr. William Whittier, MD is a Nephrology in Chicago, Illinois. Graduated from Northeastern Ohio University College of Medicine in 1998, 28 years ago. Practices with Edmund J Lewis MD and Associates, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
28
Trained at
Northeastern Ohio University College of Medicine
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

104 S Ashland Ave
Chicago, IL 60607-2402
Phone: (312) 850-8434
Fax: (312) 850-8431
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 036104632 (IL)

Record details

NPI number1609981471
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESApril 29, 2025
Certification dateApril 29, 2025
Mailing address120 W 22nd St Ste 200, Oak Brook, IL 60523-1563

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Edmund J Lewis Md And Associates — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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