Ms Karen Ann P Rayos, MD - Medicare Family Practice in Modesto, CA

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Ms Karen Ann P Rayos, MD is a medicare enrolled "Family Medicine" physician in Modesto, California. She graduated from medical school in 2011 and has 14 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Family First Medical Care A Professional Corporation and her current practice location is 2116 E Orangeburg Ave, Modesto, California. You can reach out to her office (for appointments etc.) via phone at (098) 503-5002.

Ms Karen Ann P Rayos is licensed to practice in California (license number A158600) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1114300209.

Contact Information

Ms Karen Ann P Rayos, MD
2116 E Orangeburg Ave,
Modesto, CA 95355-3370
(098) 503-5002
(808) 974-4746

Map and Direction




Physician's Profile

Full NameMs Karen Ann P Rayos
GenderFemale
SpecialityFamily Practice
Experience14 Years
Location2116 E Orangeburg Ave, Modesto, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ms Karen Ann P Rayos graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1114300209
  • Provider Enumeration Date: 07/07/2015
  • Last Update Date: 07/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5496165615
  • Enrollment ID: I20201029001004

Medical Identifiers

Medical identifiers for Ms Karen Ann P Rayos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114300209NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A158600 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Doctors Medical CenterModesto, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Family First Medical Care A Professional Corporation802233885415

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. Ms Karen Ann P Rayos allows following entities to bill medicare on her behalf.
Entity NameHospitalists Of Modesto Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821190711
PECOS PAC ID: 2567360027
Enrollment ID: O20031222000781
Entity NameGolden Valley Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356445753
PECOS PAC ID: 4183527187
Enrollment ID: O20040128000641
Entity NameScenic Faculty Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275559411
PECOS PAC ID: 3870487838
Enrollment ID: O20040210001195
Entity NameLivingston Community Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427110329
PECOS PAC ID: 8820084692
Enrollment ID: O20040426000617
Entity NameFamily First Medical Care A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689066029
PECOS PAC ID: 8022338854
Enrollment ID: O20150519002006

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. Ms Karen Ann P Rayos 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
Ms Karen Ann P Rayos, MD
Po Box 577197,
Modesto, CA 95357-7197

Ph: (209) 558-7248		Ms Karen Ann P Rayos, MD
2116 E Orangeburg Ave,
Modesto, CA 95355-3370

Ph: (098) 503-5002

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.