Thomas Robert Calkins, MD - Medicare Emergency Medicine in Chula Vista, CA

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Thomas Robert Calkins, MD is a medicare enrolled "Emergency Medicine" physician in Chula Vista, California. His current practice location is 751 Medical Center Court, Chula Vista, California. You can reach out to his office (for appointments etc.) via phone at (619) 482-5800.

Thomas Robert Calkins is licensed to practice in California (license number A77312) 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 1720037518.

Contact Information

Thomas Robert Calkins, MD
751 Medical Center Court,
Chula Vista, CA 91911-6699
(619) 482-5800
Not Available

Map and Direction




Physician's Profile

Full NameThomas Robert Calkins
GenderMale
SpecialityEmergency Medicine
Location751 Medical Center Court, Chula Vista, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720037518
  • Provider Enumeration Date: 05/09/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9638066772
  • Enrollment ID: I20040302001420

Medical Identifiers

Medical identifiers for Thomas Robert Calkins such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720037518NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A77312 (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. Thomas Robert Calkins allows following entities to bill medicare on his behalf.
Entity NameMission Viejo Emergency Medical Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073542916
PECOS PAC ID: 2163335241
Enrollment ID: O20031106000308
Entity NameMission Viejo Emergency Medical Associates, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134355597
PECOS PAC ID: 7315090271
Enrollment ID: O20090725000046

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. Thomas Robert Calkins 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
Thomas Robert Calkins, MD
2100 Powell St, Suite 920,
Emeryville, CA 94608-1803

Ph: (510) 350-2600		Thomas Robert Calkins, MD
751 Medical Center Court,
Chula Vista, CA 91911-6699

Ph: (619) 482-5800

Reviews and Comments


Emergency Medicine Doctors in Chula Vista, CA

Dr. David Lee Vandenberg, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 435 H St, Chula Vista, CA 91910
Phone: 619-691-7290    Fax: 619-691-7432
Dr. Christy Rosa Mohler, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 435 H St, Chula Vista, CA 91910
Phone: 619-691-7290    Fax: 619-691-7432
Jeffrey Scott Overcash, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 752 Medical Center Ct, Suite 105, Chula Vista, CA 91911
Phone: 619-955-5246    Fax: 619-656-9761
Dr. John A. Siefert, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 435 H St, Chula Vista, CA 91910
Phone: 619-691-7290    
Dr. Chad Michael Baasen, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 435 H St, Chula Vista, CA 91910
Phone: 760-725-1614    
Kevin Bernard Calhoun, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 751 Medical Center Ct, Chula Vista, CA 91911
Phone: 619-482-5825    
Dr. Karrar H. Ali, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 751 Medical Center Ct, Chula Vista, CA 91911
Phone: 619-502-3477    

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.