Dr Creticus P Marak, MD - Medicare Pulmonary Disease in Denver, CO

Dr Creticus P Marak, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Denver, Colorado. He graduated from medical school in 2000 and has 24 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Northeastern Health System and his current practice location is 1400 Jackson St, Denver, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 388-4461.

Dr Creticus P Marak is licensed to practice in Colorado (license number 53521) 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 1215163514.

Contact Information

Dr Creticus P Marak, MD
1400 Jackson St,
Denver, CO 80206-2761
(303) 388-4461
(303) 270-2174

Map and Direction




Physician's Profile

Full NameDr Creticus P Marak
GenderMale
SpecialityPulmonary Disease
Experience24 Years
Location1400 Jackson St, Denver, 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 Creticus P Marak graduated from medical school in 2000
  NPI Data:
  • NPI Number: 1215163514
  • Provider Enumeration Date: 06/02/2009
  • Last Update Date: 06/30/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3173676822
  • Enrollment ID: I20130924000189

Medical Identifiers

Medical identifiers for Dr Creticus P Marak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215163514NPI-NPPES
97306347MedicaidCO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine 53521 (Colorado)Primary
207RP1001XInternal Medicine - Pulmonary Disease 53521 (Colorado)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northeastern Health SystemTahlequah, OKHospital
Cherokee Nation W W Hastings Indian HospitalTahlequah, OKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northeastern Health System145625502594

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 Creticus P Marak allows following entities to bill medicare on his behalf.
Entity NameNortheastern Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457574170
PECOS PAC ID: 1456255025
Enrollment ID: O20031125000250
Entity NameTahlequah Medical Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881960771
PECOS PAC ID: 4082861349
Enrollment ID: O20120822000336

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 Creticus P Marak 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 Creticus P Marak, MD
1400 Jackson St,
Denver, CO 80206-2761

Ph: (303) 388-4461
Dr Creticus P Marak, MD
1400 Jackson St,
Denver, CO 80206-2761

Ph: (303) 388-4461

Reviews and Comments


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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.