Ronald K Shimmin, MD - Medicare General Practice in San Marcos, CA

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Ronald K Shimmin, MD is a medicare enrolled "General Practice" physician in San Marcos, California. His current practice location is 1146 San Marino Dr, San Marcos, California. You can reach out to his office (for appointments etc.) via phone at (760) 471-2033.

Ronald K Shimmin is licensed to practice in California (license number A37055) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225153315.

Contact Information

Ronald K Shimmin, MD
1146 San Marino Dr,
San Marcos, CA 92078-4649
(760) 471-2033
(760) 471-2083

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Physician's Profile

Full NameRonald K Shimmin
GenderMale
SpecialityGeneral Practice
Location1146 San Marino Dr, San Marcos, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225153315
  • Provider Enumeration Date: 03/20/2007
  • Last Update Date: 03/16/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 8628124047
  • Enrollment ID: I20090925000267

Medical Identifiers

Medical identifiers for Ronald K Shimmin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225153315NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083X0100XPreventive Medicine - Occupational Medicine A37055 (California)Secondary
208D00000XGeneral Practice A37055 (California)Primary

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. Ronald K Shimmin allows following entities to bill medicare on his behalf.
Entity NameLake Medical Center, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689863714
PECOS PAC ID: 2567621352
Enrollment ID: O20120314000628

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. Ronald K Shimmin 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
Ronald K Shimmin, MD
5080 Spectrum Dr, Suite 1200 West,
Addison, TX 75001-4648

Ph: (972) 364-8000		Ronald K Shimmin, MD
1146 San Marino Dr,
San Marcos, CA 92078-4649

Ph: (760) 471-2033

Reviews and Comments


General Practice Doctors in San Marcos, CA

Mr. Manuel Montemayor, MD
General Practice
Medicare: Not Enrolled in Medicare
Practice Location: 727 W San Marcos Blvd, Suite 112, San Marcos, CA 92078
Phone: 760-736-8810    Fax: 760-736-3157

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.