Dr Tapan Roy, MD - Medicare Radiation Oncology in Tustin, CA

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Dr Tapan Roy, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Tustin, California. He graduated from medical school in 1974 and has 50 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Folsom Dermatology, Stephen William Doggett Md Pa and his current practice location is 14662 Newport Ave, Tustin, California. You can reach out to his office (for appointments etc.) via phone at (714) 573-9500.

Dr Tapan Roy is licensed to practice in California (license number C51244) 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 1205831922.

Contact Information

Dr Tapan Roy, MD
14662 Newport Ave,
Tustin, CA 92780-6064
(714) 573-9500
Not Available

Map and Direction




Physician's Profile

Full NameDr Tapan Roy
GenderMale
SpecialityRadiation Oncology
Experience50 Years
Location14662 Newport Ave, Tustin, California
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 Tapan Roy graduated from medical school in 1974
  NPI Data:
  • NPI Number: 1205831922
  • Provider Enumeration Date: 06/17/2005
  • Last Update Date: 01/17/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2365439635
  • Enrollment ID: I20140204000441

Medical Identifiers

Medical identifiers for Dr Tapan Roy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205831922NPI-NPPES
165953OtherMOBLUE CROSS PROVIDER ID
201528114MedicaidMO
483437OtherMOHEALTHLINK PROVIDER ID

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology R4B37 (Missouri)Secondary
2085R0001XRadiology - Radiation Oncology C51244 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Folsom Dermatology10525764933
Stephen William Doggett Md Pa98302352175

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 Tapan Roy allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameMinarets Medical Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063626265
PECOS PAC ID: 2567535826
Enrollment ID: O20080718000585
Entity NameStephen William Doggett Md Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427281666
PECOS PAC ID: 9830235217
Enrollment ID: O20091015000523
Entity NameFolsom Dermatology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669731899
PECOS PAC ID: 1052576493
Enrollment ID: O20120710000103

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 Tapan Roy 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 Tapan Roy, MD
7330 Hickorywood Ln,
Pleasanton, CA 94566-3584

Ph: (314) 504-2009		Dr Tapan Roy, MD
14662 Newport Ave,
Tustin, CA 92780-6064

Ph: (714) 573-9500

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).

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