Dr Gregory F Hollar, DO - Medicare Family Practice in Centennial, CO

Dr Gregory F Hollar, DO is a medicare enrolled "Family Medicine" physician in Centennial, Colorado. He went to At Still University Of Health Sciences, College Of Osteo Med, Kirksville and graduated in 1982 and has 42 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Clinix Health Services Of Colorado Inc and his current practice location is 7030 S Yosemite St, Suite 220, Centennial, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 721-9984.

Dr Gregory F Hollar is licensed to practice in Colorado (license number 25423) 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 1063462653.

Contact Information

Dr Gregory F Hollar, DO
7030 S Yosemite St, Suite 220,
Centennial, CO 80112-2026
(303) 721-9984
(303) 996-3278

Map and Direction




Physician's Profile

Full NameDr Gregory F Hollar
GenderMale
SpecialityFamily Practice
Experience42 Years
Location7030 S Yosemite St, Centennial, 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 Gregory F Hollar attended and graduated from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1982
  NPI Data:
  • NPI Number: 1063462653
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 10/20/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 9537102249
  • Enrollment ID: I20050603000507

Medical Identifiers

Medical identifiers for Dr Gregory F Hollar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063462653NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 25423 (Colorado)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Clinix Health Services Of Colorado Inc175927705610

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 Gregory F Hollar allows following entities to bill medicare on his behalf.
Entity NameClinix Health Services Of Colorado Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912011073
PECOS PAC ID: 1759277056
Enrollment ID: O20040224000869

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 Gregory F Hollar 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 Gregory F Hollar, DO
7030 S Yosemite St, Ste 210,
Centennial, CO 80112-2025

Ph: () -
Dr Gregory F Hollar, DO
7030 S Yosemite St, Suite 220,
Centennial, CO 80112-2026

Ph: (303) 721-9984

Reviews and Comments


Family Medicine Doctors in Centennial, CO

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Phone: 303-699-3190    Fax: 303-699-3189

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.