Dr Alexandra Esther Grieb, MD in Austin, TX - Medicare Internal Medicine

Dr Alexandra Esther Grieb, MD is a medicare enrolled "Hospitalist" physician in Austin, Texas. She went to Warren Alpert Medical School Of Brown University and graduated in 2013 and has 12 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Ipc Healthcare Services Of Texas Pllc and her current practice location is 919 E 32nd St, Austin, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 544-7111.

Dr Alexandra Esther Grieb is licensed to practice in Texas (license number T2613) 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 1003349853.

Contact Information

	Dr Alexandra Esther Grieb, MD
	919 E 32nd St, Austin, TX 78705-2703
	(512) 544-7111
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Alexandra Esther Grieb
Gender	Female
Speciality	Internal Medicine
Experience	12 Years
Location	919 E 32nd St, Austin, Texas
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:

Dr Alexandra Esther Grieb attended and graduated from Warren Alpert Medical School Of Brown University in 2013

NPI Data:

NPI Number: 1003349853
Provider Enumeration Date: 04/08/2017
Last Update Date: 12/03/2025

Medicare PECOS Information:

PECOS PAC ID: 5698048056
Enrollment ID: I20220125000591

Medical Identifiers

Medical identifiers for Dr Alexandra Esther Grieb such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1003349853	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208M00000X	Hospitalist	T2613 (Texas)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
St David's Medical Center	Austin, TX	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Ipc Healthcare Services Of Texas Pllc	3971824939	165

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 Alexandra Esther Grieb allows following entities to bill medicare on her behalf.

Entity Name	Ipc Healthcare Services Of Texas Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1023403011 PECOS PAC ID: 3971824939 Enrollment ID: O20150603001409

Entity Name	Lonestar Pat Associates Pa
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1811594203 PECOS PAC ID: 9335559871 Enrollment ID: O20201111002742

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 Alexandra Esther Grieb 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 Alexandra Esther Grieb, MD 919 E 32nd St, Austin, TX 78705-2703 Ph: (512) 544-7111	Dr Alexandra Esther Grieb, MD 919 E 32nd St, Austin, TX 78705-2703 Ph: (512) 544-7111

Reviews and Comments

Hospitalist Doctors in Austin, TX

Dr. Leah Barnett Staines, MD Hospitalist Medicare: Medicare Enrolled Practice Location: 1201 W 38th St, Austin, TX 78705 Phone: 800-243-3839
Holly A Cearley, MD Hospitalist Medicare: Medicare Enrolled Practice Location: 2400 Cedar Bend Dr., Austin, TX 78758 Phone: 512-901-4016 Fax: 512-901-3948
Juan Camilo Leuro, DO Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 6907 N Capital Of Texas Hwy Ste 240, Austin, TX 78731 Phone: 512-458-1121 Fax: 737-272-6740
Dr. Elinor Elizabeth Pisano Anspaugh, M.D. Hospitalist Medicare: Medicare Enrolled Practice Location: 12221 North Mopac Expwy, Austin, TX 78704 Phone: 512-901-1000
Lakshmy Vaidyanathan, M.D Hospitalist Medicare: Medicare Enrolled Practice Location: 1201 W 38th St, Austin, TX 78705 Phone: 512-659-5926
Malik M Merchant, MD Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 12221 N Mopac Expy, Austin, TX 78758 Phone: 512-901-4009 Fax: 512-901-3909

Dr Alexandra Esther Grieb, MD - Medicare Internal Medicine in Austin, TX