Dr Jeffrey J Hallazgo, MD in Fenton, MO - Medicare Emergency Medicine

Dr Jeffrey J Hallazgo, MD is a medicare enrolled "Internal Medicine" physician in Fenton, Missouri. He went to University Of Missouri, Kansas City, School Of Medicine and graduated in 1984 and has 41 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Mercy Clinic East Communities and his current practice location is 714 Gravois Rd, Suite 100, Fenton, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 326-6100.

Dr Jeffrey J Hallazgo is licensed to practice in Missouri (license number R4G27) 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 1073538302.

Contact Information

	Dr Jeffrey J Hallazgo, MD
	714 Gravois Rd, Suite 100, Fenton, MO 63026-7723
	(636) 326-6100
	(636) 326-6110

Map and Direction

Physician's Profile

Full Name	Dr Jeffrey J Hallazgo
Gender	Male
Speciality	Emergency Medicine
Experience	41 Years
Location	714 Gravois Rd, Fenton, Missouri
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 Jeffrey J Hallazgo attended and graduated from University Of Missouri, Kansas City, School Of Medicine in 1984

NPI Data:

NPI Number: 1073538302
Provider Enumeration Date: 07/13/2006
Last Update Date: 05/10/2021

Medicare PECOS Information:

PECOS PAC ID: 0345248019
Enrollment ID: I20061114000182

Medical Identifiers

Medical identifiers for Dr Jeffrey J Hallazgo such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1073538302	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	R4G27 (Missouri)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercy Home Health	Saint louis, MO	Home health agency
Bjc Home Care Services	Saint louis, MO	Home health agency
Mercy Hospital St Louis	Saint louis, MO	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mercy Clinic East Communities	7214827922	535

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 Jeffrey J Hallazgo allows following entities to bill medicare on his behalf.

Entity Name	Mercy Hospitals East Communities
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1427098169 PECOS PAC ID: 1658276811 Enrollment ID: O20031209000789

Entity Name	Mercy Clinic East Communities
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851335228 PECOS PAC ID: 7214827922 Enrollment ID: O20070521000006

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 Jeffrey J Hallazgo 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 Jeffrey J Hallazgo, MD 12680 Olive Blvd Ste 100, Creve Coeur, MO 63141-6322 Ph: (314) 251-8900	Dr Jeffrey J Hallazgo, MD 714 Gravois Rd, Suite 100, Fenton, MO 63026-7723 Ph: (636) 326-6100

Reviews and Comments

Internal Medicine Doctors in Fenton, MO

Dr. Jeffrey P Wilson, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1011 Bowles Ave Ste 300, Fenton, MO 63026 Phone: 636-496-5065
Dr. Gloria Yetunde Ojerinde, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1015 Bowles Ave, Fenton, MO 63026 Phone: 636-496-2000
Dr. Aman Kanti Patel, DO Internal Medicine Medicare: Medicare Enrolled Practice Location: 1011 Bowles Ave Ste 300, Fenton, MO 63026 Phone: 636-496-5065
Dr. Gregorius Resuma Penilla, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1345 Smizer Mill Rd Ste 1100, Fenton, MO 63026 Phone: 636-496-5040
Dr. Stephanie Jean Becker-koepke, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1011 Bowles Ave Ste G50, Fenton, MO 63026 Phone: 636-496-4640
Dr. Mansoor Ul Haq, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1011 Bowles Ave Ste G50, Fenton, MO 63026 Phone: 636-496-4640

Dr Jeffrey J Hallazgo, MD - Medicare Emergency Medicine in Fenton, MO