Dr. John E. Alexander, MD
- Medicare services, 2024
- 213
- Medicare patients, 2024
- 271
- Industry payments
- $529
- Medical group
- 1
- State licenses
- 2
- Practice address
- 1407 N Whisenant Dr, Duncan, OK 73533
- Practice phone
- Call (325) 658-3576
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
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 E. Alexander is a diagnostic radiologist in Duncan, Oklahoma
Dr. Alexander practices with RP Eagle, a medical group.
Dr. Alexander's NPI, 1194785022, was assigned on March 24, 2006. Dr. Alexander graduated from UTMB Health in 1981. Dr. Alexander's Texas license number on file is G3107.
- NPI
- 1194785022NPI Registry (opens in a new tab)
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Practice phone
- (325) 658-3576
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John E. Alexander's practice address is in Duncan, Oklahoma
Dr. Alexander's practice address in the NPI Registry is 1407 N Whisenant Dr, Duncan, OK 73533, in Stephens County. The practice phone is (325) 658-3576.
- NPI Registry address1407 N Whisenant Dr, Duncan, OK 73533 · Stephens CountyPhone(325) 658-3576
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John E. Alexander is affiliated with 1 medical group
Dr. Alexander is part of RP Eagle, a medical group in Duncan, Oklahoma.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John E. 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 |
|---|---|
| RP Eagle | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across RP Eagle and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John E. Alexander is one of 324 diagnostic radiologists in Oklahoma
Diagnostic radiology is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Alexander is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Alexander's licenses on file in 2 states: Texas and Oklahoma.
Specialties and state licenses
- Diagnostic radiology, TexasPrimary
- Oklahoma license
Diagnostic radiologists near Dr. Alexander
Counts of diagnostic radiologists 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 E. Alexander billed Medicare for 213 services in 2024
CMS data shows 213 Medicare services from Dr. Alexander across 8 procedure codes in 2024, for 271 Medicare patients. Medicare paid $1,283 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Alexander's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4162024: 21349%
Dr. Alexander compared with the Oklahoma median for diagnostic radiologists, 2024
- Dr. Alexander
- Oklahoma median
- Medicare services
- 213vs 3,16293% below
- Medicare patients
- 271vs 2,32988% below
Medians across 332 diagnostic radiologists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Alexander's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alexander and other diagnostic radiologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Alexander treated 271 Medicare patients in 2024, average age 74
CMS counts 271 Medicare patients who saw Dr. Alexander in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have arthritis, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Dr. Alexander's Medicare patients by age, 2024
Dr. Alexander's Medicare patients by sex, 2024
- Women16360%
- Men10840%
Chronic conditions among Dr. Alexander's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes36%
- Mood disorders31%
- Anxiety29%
- Ischemic heart disease29%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. John E. Alexander received $529 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Alexander from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $121.
General payments to Dr. Alexander by program year, 2016 to 2024
Companies that paid Dr. Alexander the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John E. Alexander graduated from UTMB Health
Dr. Alexander graduated from UTMB Health in 1981.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Sources for Dr. John E. 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 |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 E. 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 E. Alexander's NPI number?
Dr. John E. Alexander's NPI number is 1194785022. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Alexander?
Dr. John E. Alexander is a diagnostic radiologist in Duncan, Oklahoma. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John E. Alexander practice?
Dr. Alexander practices at 1407 N Whisenant Dr, Duncan, OK 73533. Dr. Alexander's primary practice is RP Eagle, a medical group.
What is Dr. John E. Alexander's office phone number?
The practice phone on file for Dr. Alexander is (325) 658-3576.
What is Dr. John E. Alexander's medical license number?
Dr. Alexander's Texas license number on file is G3107, one of the licenses on file in 2 states.
Which states has Dr. John E. Alexander been licensed in?
Dmand AI has state licenses on file for Dr. Alexander in Texas (1983 to 2025) and Oklahoma (2014 to 2025).
What medical group is Dr. John E. Alexander part of?
Dr. Alexander is part of RP Eagle in Duncan, Oklahoma.
Does Dr. John E. Alexander accept Medicare?
Yes. CMS data shows Dr. Alexander billed Medicare for 213 services in 2024.
How many Medicare patients does Dr. John E. Alexander see?
CMS counts 271 Medicare patients who saw Dr. Alexander in 2024, with an average age of 74.
Is Dr. John E. Alexander board certified?
Yes. Dr. Alexander is board certified in diagnostic radiology by the American Board of Radiology.
Show 4 more questionsShow fewer questions
What services does Dr. John E. Alexander bill to Medicare?
In 2024, Dr. Alexander's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (72100) and diagnostic imaging (73030).
Where did Dr. John E. Alexander go to medical school?
Dr. Alexander graduated from UTMB Health in 1981.
Has Dr. John E. Alexander received payments from drug or device companies?
CMS Open Payments shows $529 in general payments to Dr. Alexander from 8 companies from 2016 to 2024. The largest total came from Stryker Corporation.
How long has Dr. John E. Alexander been practicing?
Dr. Alexander graduated from medical school in 1981, 45 years ago.
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