Gregory Raymond Riva, M.D.
Cardiovascular Disease Physician · Hemet, CA
Gregory Raymond Riva, M.D. is a cardiovascular disease physician with a practice address in Hemet, California, and NPI 1700088630, issued on Jun 4, 2007. Check the license (California A94572, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Raymond Riva
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A94572 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1275 E Latham Ave Ste A, Hemet, CA 92543
- Phone
- (951) 652-5555
- Enumerated
- Jun 4, 2007
- Record last updated
- Sep 26, 2022
- Fax
- (951) 766-2056
- Medicare enrollment
- Enrolled (PECOS I20081217000548); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 1275 E Latham Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- M Boldy, MDCardiovascular Disease Physician1013091677
- Mariana Ciobanu, MDCardiovascular Disease Physician1790855260
- Jose Dimen, M.D.Cardiovascular Disease Physician1710915095
- Anil Rastogi, MDCardiovascular Disease Physician1659455202
- Anisha Rastogi, M.D.Interventional Cardiology Physician1285960872
- Shivang Shah, MDCardiovascular Disease Physician1518100825
Verify Gregory Raymond Riva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,781 Medicare Part D claims for 578 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Eliquis316 claims
- Carvedilol303 claims
- Entresto273 claims
- Furosemide245 claims
- Losartan Potassium222 claims
- Atorvastatin Calcium193 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,596.99
67 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Anil Rastogi MD IncHemet, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Raymond Riva among 2,574 cardiovascular disease physician records in California
Gregory Raymond Riva, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 1999 among the 1,742 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Hemet → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- M Boldy, MDHemet, CA 925431013091677
- Mariana Ciobanu, MDHemet, CA 925431790855260
- Jose Dimen, M.D.Hemet, CA 925431710915095
- Dipeshkumar Gandhi, MDHemet, CA 925431265402150
- Betty Grant-Anderson, M.D.Hemet, CA 925431992723514
- Hemal Kadakia, M.D.Hemet, CA 925431588686042
- Hong-Ling Lee, M.D.Hemet, CA 925431386828077
- Anil Rastogi, MDHemet, CA 925431659455202
Common questions
What is Gregory Raymond Riva, M.D.'s NPI number?
Gregory Raymond Riva, M.D.'s National Provider Identifier (NPI) is 1700088630, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Raymond Riva, M.D. located?
The NPPES record lists a practice address at 1275 E Latham Ave Ste A, Hemet, CA, 92543. Phone: (951) 652-5555. Providers update this record themselves, so call before visiting.
How can I verify Gregory Raymond Riva, M.D.'s license?
NPPES lists California license number A94572, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Raymond Riva, M.D. prescribe under Medicare Part D?
In 2024, Gregory Raymond Riva, M.D. had 4,781 Medicare Part D claims for 578 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregory Raymond Riva, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.