Dr Seng M Leong, MD in Barrington, IL

Dr Seng M Leong, MD is a medicare enrolled "Internal Medicine" physician in Barrington, Illinois. His current practice location is 27750 W Highway 22, Barrington, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 381-5800.

Dr Seng M Leong is licensed to practice in Illinois (license number 036-055809) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1487750790.

Contact Information

	Dr Seng M Leong, MD
	27750 W Highway 22, Barrington, IL 60010-2379
	(847) 381-5800
	(847) 381-5873

Map and Direction

Physician's Profile

Full Name	Dr Seng M Leong
Gender	Male
Speciality
Experience	Years
Location	27750 W Highway 22, Barrington, Illinois
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Seng M Leong attended and graduated from in

NPI Data:

NPI Number: 1487750790
Provider Enumeration Date: 09/15/2006
Last Update Date: 03/31/2025

Medicare PECOS Information:

PECOS PAC ID:
Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Seng M Leong such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1487750790	NPI	-	NPPES
L96137	Other	IL	MEDICARE ID
110209671	Other	IL	RAILROAD MEDICARE
CH2241	Other	IL	RAIL ROAD MEDICARE GROUP
03655809	Medicaid	IL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	036-055809 (Illinois)	Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Seng M Leong is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Seng M Leong, MD 29373 Network Pl, Chicago, IL 60673-1293 Ph: (847) 390-5900	Dr Seng M Leong, MD 27750 W Highway 22, Barrington, IL 60010-2379 Ph: (847) 381-5800

Reviews and Comments

Internal Medicine Doctors in Barrington, IL

Dr. Avani Mehta Shah, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1301 S Barrington Rd, Barrington, IL 60010 Phone: 847-381-4491 Fax: 847-381-4498
Dr. Jeffrey H Freihage, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 27750 W Highway 22 Ste 240, Barrington, IL 60010 Phone: 815-206-5700 Fax: 847-382-1771
Dr. Kristine Marie Young, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 426 N Hough St, Barrington, IL 60010 Phone: 847-304-6900 Fax: 847-304-6871
Dr. Michael B Soble, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 27750 W Highway 22, Suite G80, Barrington, IL 60010 Phone: 847-842-0850 Fax: 847-842-0357
Dr. Donald F Cronin, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 27750 W Highway 22, Suite 120, Barrington, IL 60010 Phone: 847-655-7264 Fax: 847-655-7262
Tasbirul Islam, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 450 W Highway 22, Barrington, IL 60010 Phone: 708-283-5500
Stacey L Mckelvey, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 200 Fox Glen Ct, Barrington, IL 60010 Phone: 847-382-7165 Fax: 847-713-8160

Dr Seng M Leong, MD - Medicare in Barrington, IL