Alexandra Hallagan, MD in Saint Louis, MO - Medicare Emergency Medicine

Alexandra Hallagan, MD is a medicare enrolled "Emergency Medicine" physician in Saint Louis, Missouri. She went to Ohio State University College Of Medicine and graduated in 2021 and has 4 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Innova Emergency Medical Associates Pc, District Medical Group Inc, San Carlos Apache Healthcare Corporation and her current practice location is 10010 Kennerly Rd, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 525-1906.

Alexandra Hallagan is licensed to practice in Missouri (license number 2025028073) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1669053898.

Contact Information

	Alexandra Hallagan, MD
	10010 Kennerly Rd, Saint Louis, MO 63128-2106
	(314) 525-1906
	(314) 525-4148

Map and Direction

Physician's Profile

Full Name	Alexandra Hallagan
Gender	Female
Speciality	Emergency Medicine
Experience	4 Years
Location	10010 Kennerly Rd, Saint Louis, Missouri
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Alexandra Hallagan attended and graduated from Ohio State University College Of Medicine in 2021

NPI Data:

NPI Number: 1669053898
Provider Enumeration Date: 04/19/2021
Last Update Date: 10/31/2025

Medicare PECOS Information:

PECOS PAC ID: 8628500956
Enrollment ID: I20241011001642

Medical Identifiers

Medical identifiers for Alexandra Hallagan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1669053898	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	2025028073 (Missouri)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Wickenburg Community Hospital	Wickenburg, AZ	Hospital
Summit Healthcare Regional Medical Center	Show low, AZ	Hospital
Valleywise Health Medical Center	Phoenix, AZ	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Innova Emergency Medical Associates Pc	2860633435	59
District Medical Group Inc	7315086691	406
San Carlos Apache Healthcare Corporation	0648580597	111

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. Alexandra Hallagan allows following entities to bill medicare on her behalf.

Entity Name	Community Hospital Association Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1841282852 PECOS PAC ID: 4981688900 Enrollment ID: O20040616001475

Entity Name	District Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1336472448 PECOS PAC ID: 7315086691 Enrollment ID: O20091125000583

Entity Name	Innova Emergency Medical Associates Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1295178978 PECOS PAC ID: 2860633435 Enrollment ID: O20160525000770

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. Alexandra Hallagan 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
Alexandra Hallagan, MD 10010 Kennerly Rd, Saint Louis, MO 63128-2106 Ph: (314) 525-1906	Alexandra Hallagan, MD 10010 Kennerly Rd, Saint Louis, MO 63128-2106 Ph: (314) 525-1906

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: Accepting Medicare Assignments Practice Location: 915 N Grand Blvd, Saint Louis, MO 63106 Phone: 314-652-4100
Dr. Jose I Alvarez, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 6150 Oakland Ave, Saint Louis, MO 63139 Phone: 314-768-3090 Fax: 314-768-3031
Rahul Gupta, MD Emergency Medicine Medicare: Accepting Medicare Assignments 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

Alexandra Hallagan, MD - Medicare Emergency Medicine in Saint Louis, MO