Darrell R Johnson, MD - Medicare Internal Medicine in Chattanooga, TN

Darrell R Johnson, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Chattanooga, Tennessee. His current practice location is 605 Glenwood Dr, Suite 200, Chattanooga, Tennessee. You can reach out to his office (for appointments etc.) via phone at (423) 698-1844.

Darrell R Johnson is licensed to practice in Tennessee (license number MD23736) 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 1285682179.

Contact Information

Darrell R Johnson, MD
605 Glenwood Dr, Suite 200,
Chattanooga, TN 37404-1130
(423) 698-1844
(423) 624-2226

Map and Direction




Physician's Profile

Full NameDarrell R Johnson
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location605 Glenwood Dr, Chattanooga, Tennessee
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1285682179
  • Provider Enumeration Date: 05/04/2006
  • Last Update Date: 02/19/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0446322366
  • Enrollment ID: I20090511000151

Medical Identifiers

Medical identifiers for Darrell R Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285682179NPI-NPPES
00723841AMedicaidGA
3093100MedicaidTN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 042297 (Georgia)Secondary
207RH0003XInternal Medicine - Hematology & Oncology MD23736 (Tennessee)Primary

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. Darrell R Johnson allows following entities to bill medicare on his behalf.
Entity NameTennessee Oncology,pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164595070
PECOS PAC ID: 4688586134
Enrollment ID: O20130130000040

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. Darrell R Johnson 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
Darrell R Johnson, MD
Po Box 440100,
Nashville, TN 37244-0100

Ph: (423) 698-1844
Darrell R Johnson, MD
605 Glenwood Dr, Suite 200,
Chattanooga, TN 37404-1130

Ph: (423) 698-1844

Reviews and Comments


Internal Medicine Doctors in Chattanooga, TN

Bradley Rayford Keel, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1067 Riverfront Pkwy Ste 201, Chattanooga, TN 37402
Phone: 423-888-5930    Fax: 423-634-0103
Dr. Pamela Rani Sud, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 725 Glenwood Drive, Suite E-500, Chattanooga, TN 37404
Phone: 423-495-2635    Fax: 423-495-2638
David Shved, D.O.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 975 E 3rd St, Chattanooga, TN 37403
Phone: 423-778-5179    Fax: 423-778-2108
Dr. Charles Robert Bosshardt, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2515 Desales Ave Ste 206, Chattanooga, TN 37404
Phone: 423-698-8101    Fax: 423-698-3450
Dr. Elise Helene Marshall, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 605 Glenwood Dr Ste 300, Chattanooga, TN 37404
Phone: 423-495-2690    Fax: 423-495-2698
Dr. Joshua Warner Hornsby, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 979 E 3rd St Ste A-440, Chattanooga, TN 37403
Phone: 423-778-2867    Fax: 423-778-2866
Dr. Donald Franklin Mackler, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 721 Glenwood Dr, Ste. W552, Chattanooga, TN 37404
Phone: 423-629-6258    Fax: 423-629-9531

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.