Mark Barats, MD - Medicare Nephrology in West Hollywood, CA

Mark Barats, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in West Hollywood, California. He graduated from medical school in 1984 and has 40 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Mark Barats Md A Professional Corporation and his current practice location is 948 N Fairfax Ave, # 201, West Hollywood, California. You can reach out to his office (for appointments etc.) via phone at (323) 654-2020.

Mark Barats is licensed to practice in California (license number A56228) 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 1720134695.

Contact Information

Mark Barats, MD
948 N Fairfax Ave, # 201,
West Hollywood, CA 90046-7204
(323) 654-2020
(323) 654-2828

Map and Direction




Physician's Profile

Full NameMark Barats
GenderMale
SpecialityNephrology
Experience40 Years
Location948 N Fairfax Ave, West Hollywood, 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:
  • Mark Barats graduated from medical school in 1984
  NPI Data:
  • NPI Number: 1720134695
  • Provider Enumeration Date: 01/25/2007
  • Last Update Date: 05/05/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6204749542
  • Enrollment ID: I20040126000523

Medical Identifiers

Medical identifiers for Mark Barats such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720134695NPI-NPPES
A56228OtherCAMEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology A56228 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cedars-sinai Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mark Barats Md A Professional Corporation63050326322

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. Mark Barats allows following entities to bill medicare on his behalf.
Entity NameMark Barats Md A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629397450
PECOS PAC ID: 6305032632
Enrollment ID: O20101129000095
Entity NameOso Specialty Infusion Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700305505
PECOS PAC ID: 3274894720
Enrollment ID: O20180227000349

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. Mark Barats 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
Mark Barats, MD
948 N Fairfax Ave, # 201,
West Hollywood, CA 90046-7204

Ph: (323) 654-2020
Mark Barats, MD
948 N Fairfax Ave, # 201,
West Hollywood, CA 90046-7204

Ph: (323) 654-2020

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).

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.