Mark W Ptaskiewicz, MD - Medicare Internal Medicine in Westminster, CO

Mark W Ptaskiewicz, MD is a medicare enrolled "Internal Medicine" physician in Westminster, Colorado. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 1991 and has 33 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Colorado Permanente Medical Group Pc and his current practice location is 7701 Sheridan Blvd, Westminster, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 338-4545.

Mark W Ptaskiewicz is licensed to practice in Colorado (license number 36000) 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 1043347099.

Contact Information

Mark W Ptaskiewicz, MD
7701 Sheridan Blvd,
Westminster, CO 80003-2605
(303) 338-4545
Not Available

Map and Direction




Physician's Profile

Full NameMark W Ptaskiewicz
GenderMale
SpecialityInternal Medicine
Experience33 Years
Location7701 Sheridan Blvd, Westminster, 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:
  • Mark W Ptaskiewicz attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 1991
  NPI Data:
  • NPI Number: 1043347099
  • Provider Enumeration Date: 02/27/2007
  • Last Update Date: 04/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2466522883
  • Enrollment ID: I20080528000281

Medical Identifiers

Medical identifiers for Mark W Ptaskiewicz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043347099NPI-NPPES
009595OtherKAISER-COMMERCIAL NUMBER
01360007MedicaidCO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 36000 (Colorado)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Colorado Permanente Medical Group Pc12542384541156

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. Mark W Ptaskiewicz allows following entities to bill medicare on his behalf.
Entity NameColorado Permanente Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760599724
PECOS PAC ID: 1254238454
Enrollment ID: O20031216000640

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. Mark W Ptaskiewicz 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
Mark W Ptaskiewicz, MD
10350 E Dakota Ave,
Denver, CO 80247-1314

Ph: (303) 338-3382
Mark W Ptaskiewicz, MD
7701 Sheridan Blvd,
Westminster, CO 80003-2605

Ph: (303) 338-4545

Reviews and Comments


Internal Medicine Doctors in Westminster, CO

Dr. Jonathan B Ramharack, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14300 Orchard Pkwy, Westminster, CO 80023
Phone: 720-627-3761    
Dr. Rajesh K Sharma, M.D.,F.A.C.C.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 905 W 124th Ave Ste 150, Westminster, CO 80234
Phone: 720-772-8040    Fax: 720-805-1551
Dr. James M Martau, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 500 W 144th Ave Ste 140, Westminster, CO 80023
Phone: 303-430-2640    Fax: 303-430-2625
Dr. Rebecca L Agnew, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7701 Sheridan Blvd, Westminster, CO 80003
Phone: 303-338-4545    
Dr. Jeanette Farnum, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14300 Orchard Pkwy, Westminster, CO 80023
Phone: 720-627-4073    Fax: 720-627-3758
Ingrid Chang, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 8410 Decatur St, Westminster, CO 80031
Phone: 303-430-7000    Fax: 303-430-1506

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.