Dr Gregory Raymond Riva, MD - Medicare Cardiac Electrophysiology in Hemet, CA

Dr Gregory Raymond Riva, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Hemet, California. He went to Eastern Virginia Medical School and graduated in 2004 and has 20 years of diverse experience with area of expertise as Cardiac Electrophysiology. He is a member of the group practice Anil Rastogi Md Inc and his current practice location is 1275 E Latham Ave Ste A, Hemet, California. You can reach out to his office (for appointments etc.) via phone at (951) 652-5555.

Dr Gregory Raymond Riva is licensed to practice in California (license number A94572) 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 1700088630.

Contact Information

Dr Gregory Raymond Riva, MD
1275 E Latham Ave Ste A,
Hemet, CA 92543-4424
(951) 652-5555
(951) 766-2056

Map and Direction




Physician's Profile

Full NameDr Gregory Raymond Riva
GenderMale
SpecialityCardiac Electrophysiology
Experience20 Years
Location1275 E Latham Ave Ste A, Hemet, 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:
  • Dr Gregory Raymond Riva attended and graduated from Eastern Virginia Medical School in 2004
  NPI Data:
  • NPI Number: 1700088630
  • Provider Enumeration Date: 06/04/2007
  • Last Update Date: 09/26/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7517029036
  • Enrollment ID: I20081217000548

Medical Identifiers

Medical identifiers for Dr Gregory Raymond Riva such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700088630NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A94572 (California)Secondary
207RC0001XInternal Medicine - Clinical Cardiac Electrophysiology A94572 (California)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease A94572 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hemet Global Medical CenterHemet, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Anil Rastogi Md Inc53957917683

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. Dr Gregory Raymond Riva allows following entities to bill medicare on his behalf.
Entity NameAnil Rastogi Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588748115
PECOS PAC ID: 5395791768
Enrollment ID: O20050329000660

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. Dr Gregory Raymond Riva 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
Dr Gregory Raymond Riva, MD
2020 Zonal Avenue, 633,
Los Angeles, CA 90033

Ph: () -
Dr Gregory Raymond Riva, MD
1275 E Latham Ave Ste A,
Hemet, CA 92543-4424

Ph: (951) 652-5555

Reviews and Comments


Internal Medicine Doctors in Hemet, CA

Marvi Hussain, MD
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Practice Location: 255 N Gilbert St Bldg B4, Hemet, CA 92543
Phone: 951-652-0060    
Dr. M Michael Boldy, MD
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Practice Location: 1275 E Latham Ave Ste A, Hemet, CA 92543
Phone: 951-652-5555    
Chong-ping Carl Lu, M.D.
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Phone: 951-925-7653    Fax: 951-925-1122
Darshan Kumar Dhiman, M.D.
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Practice Location: 3989 W Stetson Ave Ste 202, Hemet, CA 92545
Phone: 951-652-3558    Fax: 951-652-5547
Subbarayan Krishnan, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1850 W Florida Ave, Hemet, CA 92545
Phone: 951-438-2200    Fax: 909-605-8160
Dr. Yurzul N Dhanani, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1275 E Latham Ave Ste C, Hemet, CA 92543
Phone: 951-652-5132    Fax: 951-652-6070
Nityanand Singh, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 850 E Latham Ave, # E, Hemet, CA 92543
Phone: 951-929-6260    

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).

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