Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. EVAN DAVID ALLEN M.D.
NPI 1821101742
Psychiatry & Neurology - Neurology in Lake Forest, IL

Q: What is Evan Allen's NPI number?

The NPI number for Evan Allen is 1821101742. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Q: What is Evan Allen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Evan Allen was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 16, 2006PECOS Enrolled

1000 N WESTMORELAND RD # LEVEL3, LAKE FOREST, IL 60045(847) 535-8500(847) 535-8499 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 29, 2026, Sep 6, 2024, Jul 17, 2024 and 8 more (11 updates tracked since 2021).

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About Dr. Evan David Allen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EVAN DAVID ALLEN M.D. (NPI 1821101742) is an individual neurology provider in Lake Forest, Illinois, licensed in Illinois (036108165) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1821101742

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. EVAN DAVID ALLENCredential: M.D.

Location Address1000 N WESTMORELAND RD # LEVEL3Lake Forest, IL 60045-1658

Mailing Address13506 Summerport Village Pkwy # 413Windermere, FL 34786-7366 · (407) 902-5987

Phone(847) 535-8500

Fax(847) 535-8499

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateAugust 16, 2006

Last NPPES UpdateJuly 29, 202611 updates tracked since enumeration

NPPES CertifiedJuly 29, 2026

✔ NPI 1821101742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in IL · 036108165✔ Licensed in NC · 2009-01788✔ Licensed in MI · 4301504704✔ Licensed in MD · D0107656✔ Licensed in PA · MD440251✔ Licensed in KY · 46414✔ Licensed in IN · 01072076A✔ Licensed in WA · MD61068190✔ Licensed in CA · G88720✔ Licensed in FL · ME82452

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

1000 N WESTMORELAND RD # LEVEL3, Lake Forest, IL 60045

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Secondary Practice Locations 7

Location 1401 E Chestnut St Unit 510Louisville, KY 40202-5710 · Phone (502) 588-4800 · Fax (502) 588-4801

Location 2210 Medical Pavilion DrRaeford, NC 28376-9111 · Phone (910) 904-8000 · Fax (910) 904-8445

Location 31701 S Creasy LnLafayette, IN 47905-4972 · Phone (765) 502-4400

Location 41800 E Park AveState College, PA 16803-6701 · Phone (814) 231-7000 · Fax (814) 234-1553

Location 52400 17th StColumbus, IN 47201-5351 · Phone (812) 376-5974

Location 61335 Kelso BlvdWindermere, FL 34786-7503 · Phone (407) 902-5987

Location 71447 N Harrison StSaginaw, MI 48602-4727 · Phone (989) 583-0000

Other Identifiers 2

Medicaid7100756660KY

Medicaid201374230IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Evan David Allen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426945643

PECOS Enrollment IDI20040302001257, I20160728002098, I20230918000296, I20230920001576, I20240507004324, I20240627000703

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569

The Gammagard Liquid injection is a type of immune globulin therapy. It's used to boost your body's immune system, helping it fight off infections. The therapy involves injecting a liquid form of proteins, collected from healthy donors, into your body. This is a 500mg dose.

5,110 services12 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

254 services136 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

166 services161 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

138 services35 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

96 services96 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

68 services13 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

56 services47 patients

Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth G0425

A telehealth consultation is a remote medical service where a doctor assesses your health condition through a video call. In an emergency or initial inpatient scenario, this typically lasts for about 30 minutes. This method allows for prompt, efficient care without needing to be physically present in a healthcare facility.

53 services52 patients

Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451

This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.

20 services20 patients

Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth G0426

A Telehealth consultation is a virtual medical appointment. In an emergency department or initial inpatient scenario, a healthcare professional interacts with you through a secured video call for about 50 minutes. It allows you to receive care without physically being in the hospital.

20 services20 patients

Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth G0427

A Telehealth consultation is a virtual visit where you can discuss your health concerns with a healthcare provider from the comfort of your home. In this process, which typically lasts 70 minutes or more, the provider can assess, diagnose, and offer treatment options for your condition using communication technology.

18 services18 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140211

Location300 Randall RdGeneva, IL 60134 · Kane County

Emergency services Birthing friendly

St Joseph Hospital

Acute Care Hospitals · Bangor, ME

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number200001

Location360 BroadwayBangor, ME 04401 · Penobscot County

Emergency services

Missouri Delta Medical Center

Acute Care Hospitals · Sikeston, MO

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260113

Location1008 North Main StSikeston, MO 63801 · Scott County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA BAILEY APRN, CNP

Nurse Practitioner (Family)