Dr Aaron B Greenspan, MD in Saint Louis, MO

Dr Aaron B Greenspan, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Saint Louis, Missouri. He went to University Of Pittsburgh School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Metro East Gastroenterology Ltd, Pana Community Hospital Association, Metro East Gastroenterology Ltd, Carlinville Area Hospital Association and his current practice location is 1 Barnes Jewish Hospital Plz, Div Im Gastroenterology, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 747-2066.

Dr Aaron B Greenspan is licensed to practice in Missouri (license number 104978) 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 1558382911.

Contact Information

	Dr Aaron B Greenspan, MD
	1 Barnes Jewish Hospital Plz, Div Im Gastroenterology, Saint Louis, MO 63110-1003
	(314) 747-2066
	(314) 362-2357

Map and Direction

Physician's Profile

Full Name	Dr Aaron B Greenspan
Gender	Male
Speciality	Gastroenterology
Experience	33 Years
Location	1 Barnes Jewish Hospital Plz, Saint Louis, 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 Aaron B Greenspan attended and graduated from University Of Pittsburgh School Of Medicine in 1991

NPI Data:

NPI Number: 1558382911
Provider Enumeration Date: 07/21/2006
Last Update Date: 10/09/2024

Medicare PECOS Information:

PECOS PAC ID: 5597757468
Enrollment ID: I20040331001227

Medical Identifiers

Medical identifiers for Dr Aaron B Greenspan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1558382911	NPI	-	NPPES
209140003	Medicaid	MO

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	104978 (Missouri)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Hshs St Elizabeth's Hospital	O fallon, IL	Hospital
Carlinville Area Hospital	Carlinville, IL	Hospital
Pana Community Hospital	Pana, IL	Hospital
Memorial Hospital	Belleville, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Metro East Gastroenterology Ltd	8628218989	3
Pana Community Hospital Association	3274437348	53
Metro East Gastroenterology Ltd	8628218989	3
Carlinville Area Hospital Association	9032021373	20

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 Aaron B Greenspan allows following entities to bill medicare on his behalf.

Entity Name	Metro East Gastroenterology Ltd
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1447590328 PECOS PAC ID: 8628218989 Enrollment ID: O20150521002099

Entity Name	Ssm Health Care Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1306589544 PECOS PAC ID: 0143608372 Enrollment ID: O20220531002655

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 Aaron B Greenspan 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 Aaron B Greenspan, MD Po Box 60352, Saint Louis, MO 63160-0352 Ph: (314) 747-2066	Dr Aaron B Greenspan, MD 1 Barnes Jewish Hospital Plz, Div Im Gastroenterology, Saint Louis, MO 63110-1003 Ph: (314) 747-2066

Reviews and Comments

Internal Medicine Doctors in Saint Louis, MO

Dr. Isik Turker, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 4921 Parkview Pl, Div Im Cardiology, Ste 8b, Saint Louis, MO 63110 Phone: 314-362-1291 Fax: 314-362-4278
Conor Mccartney, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 915 N Grand Blvd, Saint Louis, MO 63106 Phone: 314-652-4100
Dr. Faris Adam Bakeer, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Dr. Rehan Rais, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Nathan Farkas, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110 Phone: 314-362-1930
Dr. Randy Olivier Laine, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Dr. Erin Leigh Dyer, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 4901 Forest Park Ave, Div Im General Med, Ste 241, Saint Louis, MO 63108 Phone: 314-362-5060 Fax: 314-362-6959

Dr Aaron B Greenspan, MD - Medicare Gastroenterology in Saint Louis, MO