Dr Robert J Hass, MD - Medicare Anesthesiology in Greenwood Village, CO

Dr Robert J Hass, MD is a medicare enrolled "Anesthesiology" physician in Greenwood Village, Colorado. He went to Boston University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Us Anesthesia Partners Of Colorado Inc and his current practice location is 8000 E Maplewood Ave Ste 200, Greenwood Village, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 438-3999.

Dr Robert J Hass is licensed to practice in Colorado (license number 32183) 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 1689644551.

Contact Information

Dr Robert J Hass, MD
8000 E Maplewood Ave Ste 200,
Greenwood Village, CO 80111-4727
(303) 438-3999
(720) 439-9500

Map and Direction




Physician's Profile

Full NameDr Robert J Hass
GenderMale
SpecialityAnesthesiology
Experience36 Years
Location8000 E Maplewood Ave Ste 200, Greenwood Village, Colorado
Accepts Medicare AssignmentsYes. 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 Robert J Hass attended and graduated from Boston University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1689644551
  • Provider Enumeration Date: 01/24/2006
  • Last Update Date: 12/26/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 9537269766
  • Enrollment ID: I20080313000387

Medical Identifiers

Medical identifiers for Dr Robert J Hass such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689644551NPI-NPPES
1321835MedicaidCO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 32183 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hca-healthone Dba Swedish Medical CenterEnglewood, COHospital
Centura Health-porter Adventist HospitalDenver, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Us Anesthesia Partners Of Colorado Inc6002072055570

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 Robert J Hass allows following entities to bill medicare on his behalf.
Entity NameUs Anesthesia Partners Of Colorado Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922365782
PECOS PAC ID: 6002072055
Enrollment ID: O20120725000032

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 Robert J Hass 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 Robert J Hass, MD
8000 E Maplewood Ave Ste 200,
Greenwood Village, CO 80111-4727

Ph: (303) 438-3999
Dr Robert J Hass, MD
8000 E Maplewood Ave Ste 200,
Greenwood Village, CO 80111-4727

Ph: (303) 438-3999

Reviews and Comments


Anesthesiology Doctors in Greenwood Village, CO

David R. Ladd, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111
Phone: 303-438-3999    Fax: 720-439-9500
Nathan Douglas Applegren, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111
Phone: 303-438-3999    Fax: 720-439-9500
Dr. Bruce R. Baird, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 80111
Phone: 303-438-3999    Fax: 720-439-9500
Jack B Rentz, MD
Anesthesiology
Medicare: May Accept Medicare Assignments
Practice Location: 7800 E Orchard Rd Ste 350, Greenwood Village, CO 80111
Phone: 720-598-0805    
Benjamin Brenning,
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 8000 E Maplewood Ave Bldg 5 Ste 200, Greenwood Village, CO 80111
Phone: 303-785-4700    
Dr. Charles W. Dorroh, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111
Phone: 303-438-3999    Fax: 720-439-9500
Dr. Robert Carter Jones, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 80111
Phone: 303-438-3999    Fax: 720-439-9500

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.