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Dr. John Alexander, MD
NPI1336126176
- Part D claims, 2017
- 11
- Publications
- 1
- Industry payments
- $14
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 633 Emerson St, Evanston, IL 60208-0844
- Practice phone
- Call (847) 491-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Alexander's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Alexander is an internist in Evanston, Illinois
Dr. Alexander practices in Evanston, Illinois.
Dr. Alexander's NPI, 1336126176, was assigned on December 22, 2005.
NPI and contact details
- NPI
- 1336126176NPI Registry (opens in a new tab)
- NPI enumeration date
- December 22, 2005
- NPI status
- Active
- Practice phone
- (847) 491-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Alexander's practice address is in Evanston, Illinois
Dr. Alexander's practice address in the NPI Registry is 633 Emerson St, Evanston, IL 60208-0844. The practice phone is (847) 491-8100.
- NPI Registry address633 Emerson St, Evanston, IL 60208-0844Phone(847) 491-8100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Alexander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexander practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Alexander's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Alexander is one of 5,652 internists in Illinois
Internal medicine is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Alexander has a license on file in Illinois.
Specialties and state licenses
- Internal medicine, Illinois
Internists near Dr. Alexander
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Alexander's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Alexander's median patient age at 81, with 0% women.
Dr. Alexander's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. John Alexander wrote 11 Medicare Part D claims in 2017
In 2017, Dr. Alexander wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $101 in total drug cost.
Part D claims, 201711
Drugs named by CMS1
Total drug cost$101
Dr. Alexander's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Alexander has 1 publication on record
Dmand AI links 1 paper to Dr. Alexander.
Papers1
Recent publications by Dr. Alexander
See who Dr. Alexander researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alexander works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Alexander received $14 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Alexander from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $14.
Companies that paid Dr. Alexander the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Alexander's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Alexander
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Alexander's NPI number?
Dr. John Alexander's NPI number is 1336126176. It was assigned on December 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Alexander?
Dr. John Alexander is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Alexander practice?
Dr. Alexander practices at 633 Emerson St, Evanston, IL 60208-0844.
What is Dr. John Alexander's office phone number?
The practice phone on file for Dr. Alexander is (847) 491-8100.
What drugs does Dr. John Alexander prescribe most?
In 2017 Medicare Part D data, Dr. Alexander's most prescribed drugs by claims were Carvedilol.
Has Dr. John Alexander received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Alexander from 1 company from 2017 to 2017. The largest total came from Cook Medical LLC.
How long has Dr. John Alexander been practicing?
Dr. Alexander's NPI was assigned in 2005.
Does Dr. John Alexander do research?
Dmand AI links 1 publication to Dr. Alexander.
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