Dr Abbass Shafii, MD - Medicare Gastroenterology in Murrieta, CA

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Dr Abbass Shafii, MD is a medicare enrolled "Specialist" physician in Murrieta, California. He graduated from medical school in 1989 and has 37 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice United Medical Doctors and his current practice location is 28078 Baxter Rd Ste 530, Murrieta, California. You can reach out to his office (for appointments etc.) via phone at (951) 303-3718.

Dr Abbass Shafii is licensed to practice in Colorado (license number 34460) 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 1548218662.

Contact Information

Dr Abbass Shafii, MD
28078 Baxter Rd Ste 530,
Murrieta, CA 92563-1405
(951) 303-3718
(951) 698-0272

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Physician's Profile

Full NameDr Abbass Shafii
GenderMale
SpecialityGastroenterology
Experience37 Years
Location28078 Baxter Rd Ste 530, Murrieta, 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 Abbass Shafii graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1548218662
  • Provider Enumeration Date: 05/04/2006
  • Last Update Date: 01/07/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 7214827203
  • Enrollment ID: I20240307004288

Medical Identifiers

Medical identifiers for Dr Abbass Shafii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548218662NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology C174764 (California)Secondary
174400000XSpecialist 34460 (Colorado)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
United Medical Doctors2961305651129

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 Abbass Shafii allows following entities to bill medicare on his behalf.
Entity NameUnited Medical Doctors
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770559981
PECOS PAC ID: 2961305651
Enrollment ID: O20040129001069

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 Abbass Shafii 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 Abbass Shafii, MD
28078 Baxter Rd Ste 530,
Murrieta, CA 92563-1405

Ph: (951) 303-3718		Dr Abbass Shafii, MD
28078 Baxter Rd Ste 530,
Murrieta, CA 92563-1405

Ph: (951) 303-3718

Reviews and Comments



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.