JOHN ALEXANDER MD
NPI 1336126176
Internal Medicine in Evanston, IL
About John Alexander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ALEXANDER MD (NPI 1336126176) is an individual internal medicine provider in Evanston, Illinois and active in the NPI registry since December 2005. He has opted out of Medicare through April 29, 2028 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
John Alexander Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 29, 2016 through April 29, 2028.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60208 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EVANSTON, IL 60208
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Alexander's NPI number?
The NPI number for John Alexander is 1336126176. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is John Alexander located?
John Alexander practices at 633 Emerson St, Evanston, IL 60208. The listed phone number is (847) 491-8100.
What is John Alexander's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Alexander enrolled in Medicare?
No. John Alexander has opted out of Medicare through April 29, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for John Alexander was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.