Shirish A Mahajan, MD - Medicare Internal Medicine in Redding, CA

Shirish A Mahajan, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Redding, California. His current practice location is 310 Hartnell Ave, Redding, California. You can reach out to his office (for appointments etc.) via phone at (530) 244-2223.

Shirish A Mahajan is licensed to practice in New York (license number 001999) 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 1609808856.

Contact Information

Shirish A Mahajan, MD
310 Hartnell Ave,
Redding, CA 96002-1800
(530) 244-2223
(530) 244-4799

Map and Direction




Physician's Profile

Full NameShirish A Mahajan
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location310 Hartnell Ave, Redding, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1609808856
  • Provider Enumeration Date: 07/07/2006
  • Last Update Date: 11/14/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4183783715
  • Enrollment ID: I20081111000412

Medical Identifiers

Medical identifiers for Shirish A Mahajan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609808856NPI-NPPES
P00123926OtherNYRAILROAD MEDICARE
GR0054240MedicaidCA
1629237011MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 001999 (New York)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 001999 (New York)Primary
207RH0003XInternal Medicine - Hematology & Oncology A105218 (California)Secondary

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. Shirish A Mahajan allows following entities to bill medicare on his behalf.
Entity NameSierra Hematology And Oncology Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992796759
PECOS PAC ID: 9032102520
Enrollment ID: O20040408000704

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. Shirish A Mahajan 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
Shirish A Mahajan, MD
Po Box 993100,
Redding, CA 96099-3100

Ph: (530) 244-2223
Shirish A Mahajan, MD
310 Hartnell Ave,
Redding, CA 96002-1800

Ph: (530) 244-2223

Reviews and Comments


Internal Medicine Doctors in Redding, CA

William H Devlaming, M.D.
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Phone: 530-244-1692    Fax: 530-244-1693
Michelle Yap, MD
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Practice Location: 351 Hartnell Ave, Redding, CA 96002
Phone: 530-226-7649    Fax: 530-226-7589
Dr. Sara Choudhry, M.D.
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Phone: 530-246-5721    
Maylene I Peralta, MD
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Practice Location: 2510 Airpark Dr Ste 104, Redding, CA 96001
Phone: 530-242-3570    Fax: 530-242-3572
Corsini Caballero Templado, M.D.
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Practice Location: 351 Hartnell Ave, Redding, CA 96002
Phone: 530-226-7555    Fax: 530-226-7568
Dr. Renu Magu, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2005 Court St, Ste N, Redding, CA 96001
Phone: 530-768-1633    Fax: 530-768-1634
Dr. Everett D Trevor, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1145 Whiskeytown Ct, Redding, CA 96001
Phone: 530-246-4180    Fax: 530-242-6421

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.