Dr Leigh C Chao, MD in Saint Louis, MO - Medicare Emergency Medicine

Dr Leigh C Chao, MD is a medicare enrolled "Emergency Medicine" physician in Saint Louis, Missouri. His current practice location is 11133 Dunn Rd, Dept Emergency Med, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 362-9123.

Dr Leigh C Chao is licensed to practice in Missouri (license number 112947) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1922081348.

Contact Information

	Dr Leigh C Chao, MD
	11133 Dunn Rd, Dept Emergency Med, Saint Louis, MO 63136-6163
	(314) 362-9123
	(314) 747-9160

Map and Direction

Physician's Profile

Full Name	Dr Leigh C Chao
Gender	Male
Speciality	Emergency Medicine
Location	11133 Dunn Rd, Saint Louis, Missouri
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1922081348
Provider Enumeration Date: 11/21/2005
Last Update Date: 07/14/2025

Medicare PECOS Information:

PECOS PAC ID: 0446233118
Enrollment ID: I20040611001414

Medical Identifiers

Medical identifiers for Dr Leigh C Chao such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1922081348	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	112947 (Missouri)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Leigh C Chao allows following entities to bill medicare on his behalf.

Entity Name	Memorial Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851390132 PECOS PAC ID: 5294649372 Enrollment ID: O20031113000382

Entity Name	Midwest Emergency Good Samaritan, Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629367578 PECOS PAC ID: 1658529342 Enrollment ID: O20120921000645

Entity Name	Alton-griffin Emergency Group Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1891104824 PECOS PAC ID: 7315167103 Enrollment ID: O20140929002428

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 Leigh C Chao 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 Leigh C Chao, MD Po Box 7412011, Chicago, IL 60674-2011 Ph: (314) 362-9123	Dr Leigh C Chao, MD 11133 Dunn Rd, Dept Emergency Med, Saint Louis, MO 63136-6163 Ph: (314) 362-9123

Reviews and Comments

Emergency Medicine Doctors in Saint Louis, MO

Sean Oliver Cavanaugh, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 660 S Euclid Ave # 8072, Washington University Emergency Medicine, Saint Louis, MO 63110 Phone: 314-362-9177
John Verhey, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110 Phone: 314-362-9177
Dr. Mackenzie Ann Mcknight, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110 Phone: 314-362-9177
Nagla Abdelmalek, M.D. Emergency Medicine Medicare: Medicare Enrolled Practice Location: 11133 Dunn Rd, Saint Louis, MO 63136 Phone: 314-653-5663
Dr. Jose I Alvarez, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 6150 Oakland Ave, Saint Louis, MO 63139 Phone: 314-768-3090 Fax: 314-768-3031
Rahul Gupta, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 10010 Kennerly Rd, Saint Louis, MO 63128 Phone: 314-525-1906
Dr. Opeolu Makanju Adeoye, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Dept Emergency Med, Saint Louis, MO 63110 Phone: 314-362-9123 Fax: 314-362-0478

Dr Leigh C Chao, MD - Medicare Emergency Medicine in Saint Louis, MO