Physician Profile
Unclaimed ProfileAbout Dr. Allen
Based in Lake Forest, IL, Evan David Allen, M.D. is listed in the NPI registry under neurology. According to Medicare claims data, Evan cared for 621 Medicare patients across 6,010 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (847) 535-8500
- Email not available
Practice Locations
1000 N WESTMORELAND RD # LEVEL3
Lake Forest, IL 60045
Procedures Most Often Billed to Medicare
6,010 services · 621 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
138 |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
68 |
| Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg | Drug given | J1569 |
5,110 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
254 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
166 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
96 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
56 |
| Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth | Billing code | G0425 |
53 |
| Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | Billing code | G0426 |
20 |
| Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | Office visit | 99451 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurology specialists in Lake Forest 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Allen's specialty?
Dr. Allen is a neurology in Lake Forest, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROLOGY”.
NPI registry
Where can I find Dr. Allen?
Dr. Allen is listed at 1000 N WESTMORELAND RD # LEVEL3, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Allen?
The number on file is (847) 535-8500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Allen's NPI number?
Dr. Allen's National Provider Identifier is 1821101742. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Allen's medical education?
Dr. Allen attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Allen been practicing?
Dr. Allen has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Allen known for?
According to Medicare billing data, Dr. Allen provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and infusion into a vein for therapy, prevention, or diagnosis, each additional hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Allen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Allen. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.