Dr Ali E Jafferi, MD - Medicare Internal Medicine in Lancaster, CA

Dr Ali E Jafferi, MD is a medicare enrolled "Internal Medicine" physician in Lancaster, California. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice County Of Los Angeles and his current practice location is 44900 60th St W, Lancaster, California. You can reach out to his office (for appointments etc.) via phone at (661) 948-8581.

Dr Ali E Jafferi is licensed to practice in California (license number A54961) 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 1912042235.

Contact Information

Dr Ali E Jafferi, MD
44900 60th St W,
Lancaster, CA 93536-7618
(661) 948-8581
(661) 945-8474

Map and Direction




Physician's Profile

Full NameDr Ali E Jafferi
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location44900 60th St W, Lancaster, 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 Ali E Jafferi graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1912042235
  • Provider Enumeration Date: 02/21/2007
  • Last Update Date: 04/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6507891272
  • Enrollment ID: I20050930000537

Medical Identifiers

Medical identifiers for Dr Ali E Jafferi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912042235NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A54961 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lac/olive View-ucla Medical CenterSylmar, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Los Angeles1850296534270

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 Ali E Jafferi allows following entities to bill medicare on his behalf.
Entity NameCounty Of Los Angeles
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851363188
PECOS PAC ID: 1850296534
Enrollment ID: O20031204001218

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 Ali E Jafferi 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 Ali E Jafferi, MD
335 E Avenue I,
Lancaster, CA 93535-1916

Ph: (661) 471-4000
Dr Ali E Jafferi, MD
44900 60th St W,
Lancaster, CA 93536-7618

Ph: (661) 948-8581

Reviews and Comments


Internal Medicine Doctors in Lancaster, CA

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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).

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.