Sahar E Lashin, MD - Medicare Internal Medicine in Lake Forest, CA

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Sahar E Lashin, MD is a medicare enrolled "Internal Medicine" physician in Lake Forest, California. Her current practice location is 22972 El Toro Rd # C3, Lake Forest, California. You can reach out to her office (for appointments etc.) via phone at (949) 749-1049.

Sahar E Lashin is licensed to practice in California (license number A127149) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1598053894.

Contact Information

Sahar E Lashin, MD
22972 El Toro Rd # C3,
Lake Forest, CA 92630-4961
(949) 749-1049
(949) 749-1048

Map and Direction




Physician's Profile

Full NameSahar E Lashin
GenderFemale
SpecialityInternal Medicine
Location22972 El Toro Rd # C3, Lake Forest, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1598053894
  • Provider Enumeration Date: 07/20/2011
  • Last Update Date: 07/09/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9739404658
  • Enrollment ID: I20150217000140

Medical Identifiers

Medical identifiers for Sahar E Lashin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598053894NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A127149 (California)Primary
207R00000XInternal Medicine 4301099457 (Michigan)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. Sahar E Lashin allows following entities to bill medicare on her behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235107566
PECOS PAC ID: 1355248584
Enrollment ID: O20031223000439
Entity NameOptimum Medical Clinics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649354366
PECOS PAC ID: 4880622158
Enrollment ID: O20050728000242

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. Sahar E Lashin 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
Sahar E Lashin, MD
22972 El Toro Rd # C3,
Lake Forest, CA 92630-4961

Ph: (949) 749-1049		Sahar E Lashin, MD
22972 El Toro Rd # C3,
Lake Forest, CA 92630-4961

Ph: (949) 749-1049

Reviews and Comments


Internal Medicine Doctors in Lake Forest, CA

Sam Pourbabak, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 23331 El Toro Rd, 102, Lake Forest, CA 92630
Phone: 949-916-9100    Fax: 949-916-0091
Suma Oommen, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 24432 Muirlands Blvd Ste 219, Lake Forest, CA 92630
Phone: 949-852-9038    
Dr. Brian Escala Chavez, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 23331 El Toro Rd, Suite 102, Lake Forest, CA 92630
Phone: 949-916-9100    Fax: 949-916-0091
Dr. Deepak Patel, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 26212 Dimension Dr, Ste 250, Lake Forest, CA 92630
Phone: 949-855-1887    Fax: 949-855-3213
Dr. Ku-juey Raymond Chang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 23331 El Toro Rd, Suite 102, Lake Forest, CA 92630
Phone: 949-916-9100    Fax: 949-916-0091
Benjamin Milchiker, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 23361 El Toro Rd Ste 202, Lake Forest, CA 92630
Phone: 949-357-4430    

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.