Dr. Evan David Allen, MD
- Medicare services, 2024
- 6,010
- Medicare patients, 2024
- 480
- Hospital affiliations
- 9
- Industry payments
- $4,454
- Medical groups
- 15
- Practice address
- 1000 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Catherine Gratz Griffin Lake Forest Hospital
Lake Forest, Illinois
Find Dr. Allen'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. Evan David Allen is a neurologist in Lake Forest, Illinois
Dr. Allen practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Dr. Allen's NPI, 1821101742, was assigned on August 16, 2006. Dr. Allen holds Illinois license 036108165.
- NPI
- 1821101742NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426945643
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 234-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Evan David Allen practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Dr. Allen's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital, at 1000 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 234-5600.
- Northwestern Catherine Gratz Griffin Lake Forest Hospital1000 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 234-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Evan David Allen is affiliated with 12 sites of care and 15 medical groups
Dr. Allen's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dr. Allen is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Allen to 8 more hospitals, 14 medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Evan David Allen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Catherine Gratz Griffin Lake Forest Hospital | Available with a free account |
| +11 more sites and 14 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Evan David Allen is one of 822 neurologists in Illinois
Neurology is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Allen's licenses on file in 8 states: Illinois, California, Florida, Indiana, Kentucky, Michigan, Pennsylvania and Washington.
Specialties and state licenses
- Neurology, IllinoisPrimary
- California license
- Florida license
- Indiana license
- Kentucky license
- Michigan license
- Pennsylvania license
- Washington license
Neurologists near Dr. Allen
Counts of neurologists 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. Evan David Allen billed Medicare for 6,010 services in 2024
CMS data shows 6,010 Medicare services from Dr. Allen across 12 procedure codes in 2024, for 480 Medicare patients. Medicare paid $239,920 for them.
Dr. Allen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 5,110
- Office and hospital visits
- 2023: 4092024: 60347%
- Tests and treatments
- 2023: 172024: 2061112%
- Other services
- 2023: 02024: 91
Where Dr. Allen's Medicare services took place, 2024
- In an office5,42790%
- In a facility58310%
Dr. Allen compared with the Illinois median for neurologists, 2024
- Dr. Allen
- Illinois median
- Medicare services
- 6,010vs 40115.0 times
- Medicare patients
- 480vs 2252.1 times
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Allen'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.
Need commercial claims for Dr. Allen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Allen and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Evan David Allen treated 480 Medicare patients in 2024, average age 76
CMS counts 480 Medicare patients who saw Dr. Allen in 2024. The largest group is 75 to 84, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 68, with 56% women.
Dr. Allen's Medicare patients by age, 2024
Dr. Allen's Medicare patients by sex, 2024
- Women28660%
- Men19440%
Chronic conditions among Dr. Allen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA67%
- Arthritis58%
- Ischemic heart disease44%
- Mood disorders41%
- Anxiety40%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Allen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Evan David Allen offers telehealth to Medicare patients
Dr. Allen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Allen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Evan David Allen received $4,454 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Allen from 10 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 90% of the total. Penumbra, Inc. paid the most, $4,000.
General payments to Dr. Allen by program year, 2016 to 2025
General payments to Dr. Allen by kind, 2016 to 2025
- Speaker and faculty fees$4,00090%
- Food and beverage$45410%
Companies that paid Dr. Allen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Evan David Allen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Evan David Allen
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. Evan David Allen's NPI number?
Dr. Evan David Allen's NPI number is 1821101742. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Evan David Allen?
Dr. Evan David Allen is a neurologist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Evan David Allen practice?
Dr. Allen practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Allen's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dmand AI also links Dr. Allen to 8 hospitals, 14 medical groups and 2 group practices and clinics.
What is Dr. Evan David Allen's office phone number?
The practice phone on file for Dr. Allen is (847) 234-5600.
What is Dr. Evan David Allen's medical license number?
Dr. Allen holds Illinois license 036108165, one of the licenses on file in 8 states.
Which states has Dr. Evan David Allen been licensed in?
Dmand AI has state licenses on file for Dr. Allen in Illinois, California, Florida, Indiana, Kentucky, Michigan, Pennsylvania and Washington.
Which hospitals is Dr. Evan David Allen affiliated with?
Dr. Allen is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Allen to 8 more hospitals.
What medical group is Dr. Evan David Allen part of?
Dr. Allen is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Allen to 14 more medical groups.
Does Dr. Evan David Allen accept Medicare?
Yes. CMS data shows Dr. Allen billed Medicare for 6,010 services in 2024, and Dr. Allen accepts Medicare assignment.
Does Dr. Evan David Allen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Allen as offering telehealth services.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Evan David Allen see?
CMS counts 480 Medicare patients who saw Dr. Allen in 2024, with an average age of 76.
What services does Dr. Evan David Allen bill to Medicare?
In 2024, Dr. Allen's most billed Medicare services were injected or infused drug (J1569), hospital inpatient care (99231) and hospital inpatient care (99222).
Has Dr. Evan David Allen received payments from drug or device companies?
CMS Open Payments shows $4,454 in general payments to Dr. Allen from 10 companies from 2016 to 2025. The largest total came from Penumbra, Inc.
How long has Dr. Evan David Allen been practicing?
Dr. Allen graduated from medical school in 1991, 35 years ago.
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