Dr Alexandra Esther Grieb, MD - Medicare Internal Medicine in Greenwood Village, CO

Dr Alexandra Esther Grieb, MD is a medicare enrolled "Hospitalist" physician in Greenwood Village, Colorado. She went to Warren Alpert Medical School Of Brown University and graduated in 2013 and has 11 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 5200 Dtc Pkwy Ste 400, Greenwood Village, Colorado. You can reach out to her office (for appointments etc.) via phone at (303) 745-0000.

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
5200 Dtc Pkwy Ste 400,
Greenwood Village, CO 80111-2719
(303) 745-0000
(303) 773-3101

Map and Direction




Physician's Profile

Full NameDr Alexandra Esther Grieb
GenderFemale
SpecialityInternal Medicine
Experience11 Years
Location5200 Dtc Pkwy Ste 400, Greenwood Village, Colorado
Accepts Medicare AssignmentsYes. 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: 01/14/2022
  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.
IdentifierTypeStateIssuer
1003349853NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 0064367 (Colorado)Secondary
207R00000XInternal Medicine 0064367 (Colorado)Secondary
208M00000XHospitalist T2613 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St David's Medical CenterAustin, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ipc Healthcare Services Of Texas Pllc3971824939143

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 NameIpc Healthcare Services Of Texas Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023403011
PECOS PAC ID: 3971824939
Enrollment ID: O20150603001409
Entity NameLonestar Pat Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI 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 AddressPractice Location Address
Dr Alexandra Esther Grieb, MD
919 E 32nd St,
Austin, TX 78705-2703

Ph: (512) 544-7111
Dr Alexandra Esther Grieb, MD
5200 Dtc Pkwy Ste 400,
Greenwood Village, CO 80111-2719

Ph: (303) 745-0000

Reviews and Comments


Hospitalist Doctors in Greenwood Village, CO

Todd Popp, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5200 Dtc Pkwy, Suite 400, Greenwood Village, CO 80111
Phone: 303-745-0000    Fax: 303-708-1834
Kelley Cook, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 7100 E Belleview Ave Ste G10, Greenwood Village, CO 80111
Phone: 303-745-0000    Fax: 303-773-3675
Jennifer O'brien, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5200 Dtc Pkwy, Suite 400, Greenwood Village, CO 80111
Phone: 303-745-0000    Fax: 303-773-3101
Jack Tanner Hamilton, DO
Hospitalist
Medicare: May Accept Medicare Assignments
Practice Location: 7100 E Belleview Ave Ste G10, Greenwood Village, CO 80111
Phone: 303-745-0000    Fax: 303-773-3675
Dr. Laura Mihaela Popescu, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 7000 E Belleview Ave Ste 209, Greenwood Village, CO 80111
Phone: 720-482-3777    Fax: 720-482-3776
Monet Elizabeth Meter, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5200 Dtc Pkwy Ste 400, Greenwood Village, CO 80111
Phone: 303-745-0000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.