VINCENT DOAN DO
NPI 1215671391
Internal Medicine in Grayslake, IL

Active since April 25, 2022PECOS EnrolledAccepts Medicare Assignment
1275 E BELVIDERE RD STE 250, GRAYSLAKE, IL 60030(847) 535-7157(847) 535-7399 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 12, 2026, Apr 25, 2022 (2 updates tracked since 2022).

About Vincent Doan Do NPPES

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

VINCENT DOAN DO (NPI 1215671391) is an individual internal medicine provider in Grayslake, Illinois, licensed in Illinois (036177083) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Liberty Univ College Of Osteopathic Medicine (2022).

NPPES Registry Identity

NPI1215671391
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameVINCENT DOANCredential: DO
Location Address1275 E BELVIDERE RD STE 250Grayslake, IL 60030-2084
Mailing Address330 Stevens CtGrayslake, IL 60030-3533
Fax(847) 535-7399
Sole ProprietorNo
Medical School CMSLiberty Univ College Of Osteopathic MedicineGraduated 2022
Enumeration DateApril 25, 2022
Last NPPES UpdateFebruary 19, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2026
NPI 1215671391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036177083
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1275 E BELVIDERE RD STE 250, Grayslake, IL 60030

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

Vincent Doan Do 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 ID1557848611
PECOS Enrollment IDI20260120002950
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.

Hospital Affiliations CMS Care Compare 2

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 Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60030 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

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

Nurse Practitioner
1275 E BELVIDERE RD STE 250
GRAYSLAKE, IL 60030

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 Vincent Doan's NPI number?

The NPI number for Vincent Doan is 1215671391. It was assigned to this individual provider in the NPPES registry on April 25, 2022.

Where is Vincent Doan located?

Vincent Doan practices at 1275 E Belvidere Rd Ste 250, Grayslake, IL 60030. The listed phone number is (847) 535-7157.

What is Vincent Doan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Vincent Doan enrolled in Medicare?

Yes. Vincent Doan 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.

Is Vincent Doan affiliated with any hospitals?

According to CMS data, Vincent Doan is affiliated with Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Vincent Doan was last updated on February 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.