Dr James Leonard Gajewski, MD - Medicare Internal Medicine in Aurora, CO

Dr James Leonard Gajewski, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Aurora, Colorado. His current practice location is 1700 North Wheeling Street, Veterans Administration Echs Section Hem-onc, Aurora, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 399-8020.

Dr James Leonard Gajewski is licensed to practice in Colorado (license number DR.0071741) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1356349112.

Contact Information

Dr James Leonard Gajewski, MD
1700 North Wheeling Street, Veterans Administration Echs Section Hem-onc,
Aurora, CO 80045
(303) 399-8020
Not Available

Map and Direction




Physician's Profile

Full NameDr James Leonard Gajewski
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location1700 North Wheeling Street, Aurora, Colorado
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1356349112
  • Provider Enumeration Date: 07/14/2005
  • Last Update Date: 10/24/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7911948047
  • Enrollment ID: I20200515001711

Medical Identifiers

Medical identifiers for Dr James Leonard Gajewski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356349112NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine DR.00717741 (Colorado)Secondary
207R00000XInternal Medicine G57111 (California)Secondary
207R00000XInternal Medicine MD61306843 (Washington)Secondary
207RH0003XInternal Medicine - Hematology & Oncology J3475 (Texas)Secondary
207RH0003XInternal Medicine - Hematology & Oncology G57111 (California)Secondary
207RH0003XInternal Medicine - Hematology & Oncology MD61306843 (Washington)Secondary
207RH0003XInternal Medicine - Hematology & Oncology MD27403 (Oregon)Secondary
207RH0003XInternal Medicine - Hematology & Oncology DR.0071741 (Colorado)Primary

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 James Leonard Gajewski 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 James Leonard Gajewski, MD
Po Box 6149,
Aloha, OR 97007-0149

Ph: (503) 352-8657
Dr James Leonard Gajewski, MD
1700 North Wheeling Street, Veterans Administration Echs Section Hem-onc,
Aurora, CO 80045

Ph: (303) 399-8020

Reviews and Comments


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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.

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