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John Alexander, MD
NPI 1336126176 · Internal Medicine Physician · Evanston, IL
John Alexander, MD is a Internal Medicine Physician provider in Evanston, IL (NPI 1336126176).
Provider details
- NPI number
- 1336126176
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
633 Emerson St
Evanston, IL 60208-0844
Phone: (847) 491-8100
Fax: (847) 491-8100
Street-level locationGet directions
Mailing address
733 Maclean Ave
Kenilworth, IL 60043-1033
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Alexander's NPI number?
- John Alexander's National Provider Identifier (NPI) is 1336126176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Alexander's specialty?
- John Alexander is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Alexander located?
- John Alexander's practice location on file with NPPES is 633 Emerson St, Evanston, IL 60208-0844.
- What is John Alexander's phone number?
- The practice phone number listed in the NPPES registry for John Alexander is (847) 491-8100.
- Is John Alexander's NPI active?
- Yes — John Alexander's NPI (1336126176) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.