1. Home
  2. Directory
  3. Illinois
  4. Lake Forest
  5. Psychiatry Neurology
  6. NPI Profile
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

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
1000 N WESTMORELAND RD # LEVEL3, LAKE FOREST, IL 60045(847) 535-8500(847) 535-8499 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 18, 2026, Jul 29, 2026, Sep 6, 2024 and 9 more (12 updates tracked since 2021).

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 8 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 CMSNorthwestern University Feinberg Medical SchoolGraduated 1991
Enumeration DateAugust 16, 2006
Last NPPES UpdateSeptember 18, 202612 updates tracked since enumeration
NPPES CertifiedSeptember 16, 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 WI · 68374✔ 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
Open in Google Maps ↗

Secondary Practice Locations 8

Location 11335 Kelso BlvdWindermere, FL 34786-7503 · Phone (407) 902-5987
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 42400 17th StColumbus, IN 47201-5351 · Phone (812) 376-5974
Location 5401 E Chestnut St Unit 510Louisville, KY 40202-5710 · Phone (502) 588-4800 · Fax (502) 588-4801
Location 61800 E Park AveState College, PA 16803-6701 · Phone (814) 231-7000 · Fax (814) 234-1553
Location 7755 W Johnson StFond Du Lac, WI 54935-2089 · Phone (920) 913-4400
Location 81447 N Harrison StSaginaw, MI 48602-4727 · Phone (989) 583-0000

Other Identifiers 2

Medicaid201374230IN
Medicaid7100756660KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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, 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.

Medicare Billing Reassignments

20

Medicare enrollment records show Evan Allen reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation
25 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866
Osf Multi-Specialty Group
138 mi
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Indiana enrollment
  • 4 clinicians in this Medicare group
NPI 1922445527 (309) 683-5050
Parkview Health System,inc
154 mi
Family Medicine
2003 STULTS RD STE 100
Huntington, IN 46750
  • Reassigned Medicare billing, Indiana enrollment
  • 1,752 clinicians in this Medicare group
NPI 1467779124 (260) 356-5424
Cep America - Neurology PC
181 mi
Neurology
801 S MAIN ST
Clinton, IN 47842
  • Reassigned Medicare billing, California, Florida, Indiana and Washington enrollments
  • Also billed through NPI 1669223830 (Washington)
  • 117 clinicians in this Medicare group
NPI 1639788250 (765) 832-1234
Covenant Medical Center, Inc.
211 mi
Urgent Care
5570 STATE ST
Saginaw, MI 48603
  • Reassigned Medicare billing, Michigan enrollment
  • 720 clinicians in this Medicare group
NPI 1831244466 (989) 583-0100
Columbus Regional Health Physicians, LLC
228 mi
Family Medicine
103 WILLOW ST, SUITE B
Nashville, IN 47448
  • Reassigned Medicare billing, Indiana enrollment
  • 235 clinicians in this Medicare group
NPI 1114397577 (812) 988-2223
Baptist Health Medical Group Inc
268 mi
Rural Health
1101 N JIM DAY RD STE 107A
Salem, IN 47167
  • Reassigned Medicare billing, Indiana and Kentucky enrollments
  • Also billed through NPI 1629740774 (Kentucky)
  • 532 clinicians in this Medicare group
NPI 1225633761 (812) 883-5501
Kentuckyone Health Medical Group, Inc.
341 mi
Family Medicine
1401 HARRODSBURG RD
Lexington, KY 40504
  • Reassigned Medicare billing, Indiana and Kentucky enrollments
NPI 1104875970 (606) 330-7835
St Bernards Hospital Inc.
468 mi
General Acute Care Hospital
225 E WASHINGTON AVE
Jonesboro, AR 72401
  • Reassigned Medicare billing, Arkansas enrollment
  • 318 clinicians in this Medicare group
NPI 1396053096 (870) 207-4100
Mount Nittany Medical Center Health Services Inc
526 mi
Internal Medicine
155 WELLNESS WAY
State College, PA 16803
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 393 clinicians in this Medicare group
NPI 1598992554 (814) 231-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

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 11

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

LAURA BAILEY APRN, CNP
Nurse Practitioner (Family)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-7271
JAMIE L COOPER MD
Psychiatry & Neurology (Neurology)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-7658
DR. AVRAM YEHUDA FRAINT M.D
Psychiatry & Neurology (Neurology)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-1658
SUEMIN JASMINE YOON MD
Psychiatry & Neurology (Clinical Neurophysiology)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-7658
BENJAMIN DAVIS M.D.
Orthopaedic Surgery
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-8500
DR. GEORGE ALEXANDER JONES M.D.
Neurological Surgery
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-7271
DR. EMILY ANNE GILLEY M.D.
Orthopaedic Surgery (Hand Surgery)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-8500
DR. RICHARD DOUGLAS SOUTHGATE M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 60045
Lake County (847) 535-8500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

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.

Where is Evan Allen located?

Evan Allen practices at 1000 N Westmoreland Rd # Level3, Lake Forest, IL 60045. The listed phone number is (847) 535-8500.

What is Evan Allen's specialty?

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

Is Evan Allen enrolled in Medicare?

Yes. Evan Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Evan Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Evan Allen reassigns Medicare benefits to 20 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Osf Multi-Specialty Group (Peoria, IL), Parkview Health System,inc (Huntington, IN), Cep America - Neurology PC (Clinton, IN), Covenant Medical Center, Inc. (Saginaw, MI) and 15 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Evan Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Evan Allen accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource, Cigna Healthcare and Oscar Health Maintenance Organization of Florida and 1 other insurer list Evan Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Evan Allen affiliated with any hospitals?

According to CMS data, Evan Allen is affiliated with Northwestern Lake Forest Hospital, Northwestern Medicine Delnor Community Hospital, St Joseph Hospital and Missouri Delta Medical Center.

When was this NPI record last updated?

The NPPES record for Evan Allen was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 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.