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

Dr. Zachary Alexander Warren, MD

Individual provider Otolaryngology Physician · NPI 1669933222

Dr. Zachary Alexander Warren, MD is an Otolaryngology in Chicago, Illinois. Qualified in 2019, 7 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in Georgia and Illinois.

Years since qualifying
7
Licensed in
GA, IL
In the registry since
2019
Specialties on file
3
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

5841 S Maryland Ave # MC1035
Chicago, IL 60637-1443
Phone: (773) 702-1865
Fax: (773) 834-3888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngic Allergy Physician (primary) Taxonomy 207YX0602X · Licence 100647 (GA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 100647 (GA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 125.075059 (IL)

Record details

NPI number1669933222
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2019
Last updated in NPPESSeptember 18, 2024
Certification dateSeptember 18, 2024

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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